This content is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. If you or someone you know is struggling with substance use, please speak with a qualified healthcare provider or contact SAMHSA’s National Helpline at 1-800-662-4357 (free, confidential, 24/7).
Introduction: Why Your Primary Care Doctor May Be Your Best First Step for Addiction Treatment
For decades, addiction treatment existed in its own world — a separate system of specialty clinics, detox facilities, and counseling programs that many patients never accessed. The gap between needing help and finding it was enormous. Today, that’s changing rapidly.
Addiction medicine and primary care integration is redefining how substance use disorder (SUD) is identified, treated, and managed — placing evidence-based care directly in the hands of the physicians patients already trust. For communities across Riverside County and the Inland Empire, this shift is critically important.
At PromiseCare Medical Group, our network of primary care physicians is trained to recognize and address substance use concerns alongside diabetes, hypertension, heart disease, and the full spectrum of chronic conditions. That’s what whole-person care truly means — and it’s why integrated addiction medicine is one of the most powerful advances in preventive medicine today.
In this guide, we’ll explain what addiction medicine and primary care integration looks like in practice, why it works, which treatment approaches are available, and how patients can take the first step toward recovery without ever leaving their primary care office.
What Is Addiction Medicine and Primary Care Integration?
Addiction medicine and primary care integration is a healthcare delivery model in which substance use disorder screening, brief intervention, medication-assisted treatment, and recovery support services are embedded directly into the primary care setting — rather than siloed in specialty clinics.
The model is grounded in a fundamental truth supported by decades of research: substance use disorder is a chronic medical condition, no different in nature from heart disease or Type 2 diabetes. Like those conditions, it responds best to ongoing, relationship-based management within a trusted care environment.
Integrated care eliminates the traditional “wrong door” problem, where patients struggling with addiction had to navigate unfamiliar specialty systems to access treatment. Instead:
- Physicians screen all patients for substance use risk during routine visits
- Those identified receive brief counseling and motivational support on-site
- Patients who need medication-assisted treatment receive prescriptions directly from their primary care doctor
- Co-occurring mental health conditions are addressed in the same appointment
- Recovery is monitored as part of ongoing chronic disease management
This approach mirrors how primary care already handles other complex, recurring conditions — with consistent follow-up, medication management, referrals when needed, and a long-term therapeutic relationship at the center of care.
The Scale of the Problem: Why Integrated Care Is Urgently Needed
To understand why addiction medicine and primary care integration matters, consider the treatment gap:
According to SAMHSA’s 2024 National Survey on Drug Use and Health, approximately 21.2 million adults in the United States have a co-occurring mental illness and substance use disorder. Of the approximately 20 million Americans living with addiction, only a fraction receive any evidence-based treatment — and fewer still receive FDA-approved medications proven to reduce overdose mortality.
The opioid epidemic has placed this crisis in sharp relief. Opioid overdoses resulted in nearly 80,000 deaths in the U.S. in 2023 alone. Despite the availability of proven medications — buprenorphine, methadone, and naltrexone — these treatments are dramatically underutilized, often because access requires visiting specialty opioid treatment programs that many communities simply don’t have.
In Riverside County, as in rural and semi-urban communities across California, barriers to specialty addiction care are real and significant: provider shortages, transportation challenges, insurance restrictions, wait times, and — perhaps most damaging — the persistent stigma that keeps people from seeking help through the “addiction treatment” front door.
Primary care solves all of these problems. Patients already have relationships with their family physicians. They already visit for checkups, prescription refills, and chronic disease management. Integrating addiction medicine into that trusted environment means meeting patients where they already are.
The SBIRT Framework: Screening, Brief Intervention, and Referral to Treatment
The cornerstone clinical tool of integrated addiction care is SBIRT — Screening, Brief Intervention, and Referral to Treatment — a comprehensive public health approach developed through decades of research and endorsed by SAMHSA, the American College of Physicians, and major primary care organizations.
How SBIRT Works in a Primary Care Setting
Screening is the first step. Using validated tools like the AUDIT (Alcohol Use Disorders Identification Test) or DAST (Drug Abuse Screening Test), primary care teams quickly assess a patient’s substance use patterns and risk level. Screening typically takes five to ten minutes and can be completed by a medical assistant, nurse, or the physician directly.
Brief Intervention follows for patients who screen positive for risky use. This is not a lecture — it’s a structured, non-judgmental conversation using motivational interviewing techniques to help patients explore their relationship with substances, identify personal goals and values, and consider steps toward change. Research consistently shows that even a single well-delivered brief intervention can meaningfully reduce problematic substance use.
Referral to Treatment applies to patients whose screening identifies a higher level of need — dependence or severe substance use disorder. In integrated care settings, this referral can happen seamlessly: the primary care physician either initiates treatment directly or coordinates with behavioral health specialists within the same network.
The SBIRT model is designed for use by providers who don’t specialize in addiction medicine — making it ideal for primary care deployment across large physician networks like PromiseCare’s 60+ primary care physicians serving Hemet, Murrieta, Temecula, Corona, Lake Elsinore, Menifee, San Jacinto, and surrounding communities.
Why Motivational Interviewing Makes SBIRT Effective
Motivational interviewing (MI) is the evidence-based communication technique that powers effective brief interventions. Rather than confronting patients or delivering warnings, MI practitioners use empathic, open-ended questions to help patients articulate their own reasons for change.
This approach is especially powerful in primary care because it aligns with the trusted, relationship-based nature of family medicine. Patients are more likely to engage honestly with a physician who has cared for them over years than with a stranger in a specialty clinic they’ve never visited.
MI techniques help patients move from ambivalence — “I know drinking is a problem, but I’m not ready to stop” — toward motivation: “I want to do this for my health, my family, and my future.”
Medication-Assisted Treatment in Primary Care: What Patients Need to Know
For patients with opioid use disorder or alcohol use disorder, medication-assisted treatment (MAT) — also called medications for opioid use disorder (MOUD) — is the gold standard of care. These FDA-approved medications, combined with behavioral counseling and recovery support, have been shown to reduce overdose deaths by more than 50% compared to no treatment.
Primary care integration is especially transformative in this area, because MAT medications can now be prescribed directly by qualified primary care physicians — no specialty clinic required.
The Three FDA-Approved Medications for Opioid Use Disorder
Buprenorphine (often prescribed as Suboxone when combined with naloxone) is a partial opioid agonist that reduces cravings and withdrawal symptoms. It can be prescribed by primary care physicians in any outpatient setting, and since 2022, the X-waiver requirement has been eliminated — meaning any DEA-registered provider with Schedule III prescribing authority can offer buprenorphine treatment. Buprenorphine can even be initiated via telehealth, significantly expanding access in underserved areas.
Methadone, the gold standard for opioid use disorder treatment in clinical research, must still be dispensed through federally certified Opioid Treatment Programs (OTPs). Primary care physicians often play a coordinating role for patients in methadone programs, managing co-occurring conditions and providing holistic chronic disease care.
Naltrexone (extended-release injectable form: Vivitrol) is an opioid antagonist that blocks the euphoric effects of opioids and reduces cravings. Unlike buprenorphine and methadone, naltrexone is not an opioid — making it an option for patients who prefer a non-opioid approach. It can be prescribed by any licensed clinician and requires the patient to be opioid-free before initiation.
Choosing among these medications is a shared decision-making process between patient and physician, based on individual medical history, co-occurring conditions, patient preference, and treatment goals.
MAT for Alcohol Use Disorder
Medication-assisted treatment extends beyond opioids. For patients with alcohol use disorder, naltrexone (oral or injectable) is FDA-approved and has strong evidence for reducing heavy drinking and supporting abstinence. Acamprosate and disulfiram are additional options that primary care physicians can prescribe and manage.
Co-Occurring Disorders: The Rule, Not the Exception
One of the most critical insights driving the integration movement is that substance use disorder almost never travels alone.
According to SAMHSA and NIDA research, the vast majority of individuals with a substance use disorder also live with at least one co-occurring mental health condition — depression, anxiety disorders, PTSD, bipolar disorder, or ADHD. This reality, once called “dual diagnosis,” is now understood to be the norm rather than the exception.
When primary care physicians screen for and treat substance use within the same clinical encounter as mental health conditions, outcomes improve dramatically. Research published in JAMA found that integrated medical and addiction services resulted in 69% abstinence rates among patients with co-occurring medical conditions, compared to 55% in independent services — a significant difference driven not by more frequent visits, but by better quality of the patient-physician interaction.
How PromiseCare Addresses Co-Occurring Disorders
Within PromiseCare’s network, our primary care physicians work in coordination with behavioral health specialists, social workers, and care managers to provide what researchers call complexity-capable care — addressing not just substance use, but the full range of physical, mental, and social factors that drive addiction and complicate recovery.
This means:
- Coordinated mental health treatment for depression, anxiety, and trauma-related disorders that frequently accompany substance use
- Chronic disease co-management for patients with hypertension, diabetes, hepatitis C, or cardiovascular conditions that interact with substance use and medications
- Social support navigation connecting patients with housing, food security, and community recovery resources
- Care team communication ensuring that all providers involved in a patient’s care share information and treatment goals
The Chronic Disease Model of Addiction: A Framework for Long-Term Recovery
Perhaps the most important conceptual shift underlying primary care and addiction medicine integration is treating substance use disorder not as a moral failing, acute crisis, or character flaw — but as a chronic medical condition requiring ongoing management.
This chronic disease model — the same framework used for diabetes, asthma, and heart disease — fundamentally changes how care is structured:
- Treatment is long-term and relationship-based, not a single episode of “detox”
- Relapse is understood as a symptom requiring treatment adjustment, not treatment failure
- Medication is continued indefinitely when clinically appropriate
- Recovery is monitored through regular follow-up appointments, laboratory testing, and symptom assessment
- Patients are active partners in their own care planning
Research consistently confirms that people with opioid use disorder who stay on medication-assisted treatment — particularly buprenorphine or methadone — have dramatically better long-term outcomes than those who pursue medication-free approaches. Long-term pharmacotherapy has been shown to double abstinence rates relative to behavioral therapy alone.
Primary care is the natural home for this kind of sustained, relationship-centered chronic disease management.
The Role of Harm Reduction in Integrated Addiction Care
Harm reduction is a public health philosophy and clinical approach that meets patients where they are — reducing the negative consequences of substance use for people who are not yet ready or able to achieve full abstinence.
In integrated primary care settings, harm reduction means:
- Prescribing or facilitating access to naloxone (Narcan) for patients and their families to reverse opioid overdoses
- Counseling patients on safer use practices to reduce disease transmission risks
- Offering buprenorphine to patients who are actively using, reducing overdose risk while building a therapeutic relationship
- Treating hepatitis C and HIV for patients with injection drug use history
- Providing incremental goals (reduced use, safer use, improved health) alongside abstinence as valid treatment outcomes
Harm reduction is not a compromise of quality care — it is evidence-based practice that saves lives while keeping patients connected to the healthcare system where lasting recovery becomes possible.
Collaborative Care: How the Team-Based Model Works
Integrated addiction medicine in primary care doesn’t rest on any single physician’s shoulders. The most effective approach is collaborative care — a team-based model in which primary care physicians work alongside care managers, consulting behavioral health specialists, pharmacists, and social workers.
Key elements of collaborative care for substance use disorder include:
- Population-based screening: All patients are screened, not just those who self-identify as having a problem. Universal screening removes the stigma barrier and catches issues earlier.
- Measurement-based care: Treatment progress is tracked using validated tools and regular assessments. If a patient isn’t meeting treatment goals, the care plan is adjusted systematically — exactly as would happen for a patient with uncontrolled blood pressure.
- Stepped-care approach: Treatment intensity is adjusted to patient need. Someone with hazardous drinking might receive a brief intervention and close monitoring. Someone with severe opioid use disorder receives MAT, behavioral counseling, and more intensive follow-up.
- Embedded behavioral health: Many integrated practices co-locate a behavioral health clinician — a licensed counselor, clinical social worker, or psychologist — within the primary care setting, enabling same-day warm handoffs from physician to counselor.
- Electronic care coordination: Shared electronic health records ensure every member of a patient’s care team has access to the same information, preventing dangerous gaps between addiction treatment and primary medical care.
Breaking Down Barriers: Stigma, Access, and the Case for Primary Care
Despite proven treatments and growing integration models, access to evidence-based addiction care remains inadequate — particularly for communities of color, older adults, rural residents, and individuals with lower incomes.
Stigma remains one of the most formidable barriers. Patients who might readily see a doctor for chest pain or high blood sugar avoid disclosing substance use for fear of judgment, shame, or discrimination. Primary care integration directly addresses this by normalizing substance use screening alongside all other health screenings — making it part of routine wellness rather than crisis response.
Access barriers — distance to specialty clinics, wait times, insurance restrictions, and provider shortages — are directly addressed when primary care physicians can prescribe MAT and provide integrated behavioral health services in their existing offices.
At PromiseCare’s 18 urgent care centers and primary care practices across Riverside County, our physicians understand the unique healthcare landscape of the Inland Empire — including the communities and families most affected by the ongoing opioid epidemic and substance use challenges throughout our region.
What to Expect at a PromiseCare Visit: Addiction Medicine Integration in Practice
If you or a family member is concerned about substance use, here’s what an integrated primary care visit with a PromiseCare physician might look like:
Step 1 — Routine Screening
At your appointment, you’ll complete a brief validated questionnaire about your health habits, including substance use. This is standard and confidential — part of whole-person preventive care.
Step 2 — Conversation with Your Physician
If your screening raises any concerns, your physician will have a supportive, non-judgmental conversation about your substance use, your health goals, and what you’re experiencing. This conversation uses motivational interviewing principles — you lead, your physician listens and supports.
Step 3 — Individualized Assessment
If appropriate, your physician will conduct a more detailed assessment to understand the severity of substance use, any co-occurring medical or mental health conditions, and your personal treatment goals.
Step 4 — Personalized Treatment Plan
Based on your needs and preferences, your physician may:
- Provide brief counseling and schedule a follow-up
- Prescribe medication-assisted treatment (buprenorphine or naltrexone)
- Coordinate a warm referral to an embedded behavioral health specialist
- Connect you with community recovery resources and support programs
- Co-manage related chronic conditions (diabetes, hypertension, liver disease) as part of your integrated care plan
Step 5 — Ongoing Recovery Management
Recovery from substance use disorder is a journey, not a single event. Your PromiseCare physician will follow up regularly, adjust your treatment plan as needed, and remain a consistent partner in your long-term health — just as they would for any other chronic medical condition.
Frequently Asked Questions About Addiction Medicine and Primary Care Integration
Can my primary care doctor really treat addiction?
Yes. Primary care physicians are increasingly trained in evidence-based addiction medicine, including SBIRT screening, motivational interviewing, and the prescription of FDA-approved medications like buprenorphine and naltrexone. In integrated practices like PromiseCare, addiction treatment is part of whole-person primary care — not a separate service requiring a referral to a specialty clinic.
Will my doctor judge me if I tell them about my substance use?
No. At PromiseCare, our physicians are trained to approach substance use as a medical condition — not a moral failure. SBIRT-trained providers use non-judgmental, empathic communication techniques. Honest conversations with your doctor are protected by medical privacy laws (HIPAA) and confidentiality standards.
What is medication-assisted treatment, and is it right for me?
Medication-assisted treatment (MAT) combines FDA-approved medications with behavioral counseling to treat opioid use disorder and alcohol use disorder. For opioid use disorder, the three approved medications are buprenorphine, methadone, and naltrexone. Whether MAT is appropriate for you depends on your individual situation — your physician will walk you through the options and help you make an informed, shared decision.
Does insurance cover addiction treatment in primary care?
Most insurance plans, including Medicare and Medicare Advantage, are required to cover substance use disorder treatment at parity with medical and surgical care under the Mental Health Parity and Addiction Equity Act. PromiseCare’s care team can help you understand your specific coverage and navigate any authorization requirements.
What if I’m not ready to stop using completely?
That’s okay — and your physician can still help. Harm reduction approaches meet you where you are, focusing on reducing the immediate health risks of substance use while building a supportive care relationship. Recovery rarely happens all at once, and incremental progress is real progress.
What are co-occurring disorders, and how are they treated?
Co-occurring disorders — also called dual diagnosis — means having a substance use disorder alongside a mental health condition such as depression, anxiety, PTSD, or bipolar disorder. These conditions are extremely common together and interact with each other in complex ways. Integrated primary care is designed to address both simultaneously, improving outcomes for both conditions.
How is addiction treated as a chronic disease?
The chronic disease model treats addiction like diabetes or hypertension — with ongoing medication management, regular monitoring, individualized care planning, and long-term follow-up. This approach recognizes that recovery is a sustained process and that some patients may benefit from medication-assisted treatment indefinitely, just as a patient with heart disease stays on their medications long-term.
What is SBIRT, and will my doctor use it?
SBIRT stands for Screening, Brief Intervention, and Referral to Treatment. It’s an evidence-based public health approach used in primary care to identify, address, and refer patients with substance use disorders. PromiseCare physicians incorporate SBIRT principles into preventive care visits to catch substance use concerns early — before they become crises.
Can I get addiction treatment through telehealth?
Yes. Since the COVID-19 public health emergency, telehealth prescribing of buprenorphine for opioid use disorder has been expanded and is now available in many states including California. PromiseCare’s telehealth services can extend addiction medicine access to patients across Riverside County who face transportation or scheduling barriers.
How do I start the conversation with my PromiseCare doctor?
Simply say: “I’ve been concerned about my drinking/substance use, and I’d like to talk about it.” That’s enough. Your physician is trained to take it from there — with compassion, expertise, and a full toolkit of evidence-based options.
The PromiseCare Difference: Addiction Medicine Across Riverside County
PromiseCare Medical Group’s mission is to deliver comprehensive, preventive, whole-person care to communities across the Inland Empire — including Hemet, Murrieta, Temecula, Corona, Lake Elsinore, Menifee, and San Jacinto.
Our 60+ primary care physicians and 400+ specialists bring the full depth of integrated medicine to every patient encounter. Substance use disorder is not an issue we refer away — it’s a medical condition we treat, manage, and monitor as part of our commitment to your long-term health.
If you or someone you love is struggling with substance use, we encourage you to reach out. Recovery begins with a conversation — and that conversation starts here.
Visit promisecare.com or contact your nearest PromiseCare location to schedule a confidential primary care appointment today.
This article was reviewed by PromiseCare Medical Group physicians and is intended for educational purposes. Individual treatment decisions should always be made in consultation with a qualified healthcare provider. If you are in crisis or experiencing a medical emergency, please call 911 or go to your nearest emergency room.
SAMHSA National Helpline: 1-800-662-4357 (free, confidential, 24/7 — treatment referral and information service)
Crisis Text Line: Text HOME to 741741