How Do You Find a Doctor to Help With Weight Loss?
How Do You Find a Doctor to Help With Weight Loss?
Start with an internal medicine or family medicine physician who offers a structured weight loss program, verify their license at search.dca.ca.gov, and ask two questions before enrolling: what gets measured at the first visit, and how often will you be seen. Endocrinologists and bariatric surgeons handle specific situations, but most people are best served by a primary care physician running an actual program rather than a specialist referral.
Dr. Michael Temkin, DO, is a board-certified internal medicine physician who has practised in San Ramon, California for more than 25 years and personally supervises every patient in the LeanMD medical weight loss program at his practice at 1081 Market Place, Suite 300.
Key facts about finding a weight loss doctor
- No special license is required to treat weight. Any licensed physician may prescribe FDA-approved weight loss medication, which is why how the practice is structured matters more than the specialty on the door.
- A subspecialty credential does exist. More than 11,500 US physicians were certified by the American Board of Obesity Medicine [https://www.abom.org/] as of October 2025 — a positive signal, not a requirement.
- California license status is public and free to check at search.dca.ca.gov [https://search.dca.ca.gov/], including disciplinary history.
- Visit frequency predicts results. The USPSTF [https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/obesity-in-adults-interventions] found 12–26 sessions in year one produced about 6 percent weight loss versus 2.8 percent below 12 sessions — more contact than most standard primary care schedules allow.
- Medical contributors are common and treatable. Thyroid dysfunction, insulin resistance, polycystic ovary syndrome, and several widely prescribed medication classes all promote weight gain, and only a physician can evaluate and address them.
- A prescription alone is not a program. In the STEP 1 extension [https://pubmed.ncbi.nlm.nih.gov/35441470/], participants regained about two-thirds of lost weight within a year of stopping semaglutide.
Which Specialties Treat Weight?
Four groups of physicians commonly manage weight, and they are not interchangeable.
Who does what
|
Specialty |
Best fit when |
What to know |
|
Internal medicine / family medicine |
You want one physician managing weight alongside blood pressure, cholesterol, blood sugar and your existing prescriptions. |
The most common starting point. The differentiator is whether the practice runs a structured program or simply writes a prescription. |
|
Obesity medicine focus |
You want subspecialty-level focus on obesity as a condition. |
Two different signals: ABOM diplomate status is a board certification layered on a primary specialty, held by 11,500+ US physicians and verifiable at abom.org. Obesity Medicine Association membership is a professional society membership, not a board certification — a genuine indicator of focus, but not the same credential. Dr. Temkin is an OMA member. |
|
Endocrinology |
There is a diagnosed or suspected endocrine driver — thyroid disease, poorly controlled type 2 diabetes, PCOS, Cushing syndrome. |
Usually accessed by referral, often with longer wait times. Frequently co-managed with your primary physician. |
|
Bariatric surgery |
You are considering a surgical option and meet the criteria for it. |
Surgical programs include medical and nutritional evaluation. This is a distinct pathway, not a version of the others. |
What Only a Physician Can Do
The reason to see a doctor rather than join a program is scope. A physician can order and interpret laboratory testing, which is how thyroid dysfunction, insulin resistance and other metabolic contributors get identified rather than assumed. A physician can review every medication you currently take — several common classes, including some antidepressants, antipsychotics, beta blockers, corticosteroids and certain diabetes drugs, promote weight gain, and change them where a reasonable alternative exists.
A physician can prescribe. That includes GLP-1 receptor agonists such as semaglutide, dual GLP-1/GIP agonists, and older oral appetite suppressants from a drug class the FDA has had on the market since 1959, with the choice depending on your history and profile. And a physician can manage coexisting conditions safely during weight loss, which is not a formality: blood pressure medication and diabetes medication frequently need adjusting downward as weight comes off, and getting that wrong has consequences.
None of this means coaching is worthless — behavior change support is genuinely useful and is part of any good program. It means that if something medical is contributing to your weight, a program without a physician cannot find it.
How to Verify a Doctor Before You Book
Three checks cover most of what matters, and all three are free.
License status. Search the physician’s name at search.dca.ca.gov [https://search.dca.ca.gov/], the California Department of Consumer Affairs lookup. You will see license status, issue date and any public disciplinary action. Do this even for a physician who came highly recommended; it takes under a minute.
One thing to know before you search: MD and DO are two routes to the same job. A Doctor of Osteopathic Medicine completes four years of medical school, a residency in a chosen specialty, and the same board certification process, with identical licensure and prescribing authority to an MD. The only practical difference for your search is which board holds the license — the Medical Board of California for an MD, the Osteopathic Medical Board of California for a DO. Both are searchable from that same page, so check the other board before assuming a name is missing.
Obesity medicine certification. The American Board of Obesity Medicine [https://www.abom.org/] maintains a diplomate directory. This credential is not required to practice medical weight loss well — many capable programs are run by internists and family physicians without it — but its presence tells you the physician sought focused training in the field.
Who actually sees you. Ask directly: will the physician manage my care, or will I mostly see staff? Both models exist, and both can work, but you should know which one you are buying into. Ask the same about telehealth-only services, where the prescribing clinician may be in another state and may never see you twice.
What to Expect at the First Appointment
A useful first visit is longer than a standard office visit and produces numbers. Expect a full weight history — what you have tried, what happened, what your weight has done over the last decade — plus a review of current medications, coexisting conditions and family history.
Next will be measurement. At Temkin Health, LeanMD patients get body composition analysis separating fat mass from lean mass, vital signs, and basal metabolic rate analysis used to set the calorie and protein targets. Laboratory testing may be ordered depending on the history. Only after that does the plan get written, including the decision about whether medication is appropriate for you and, if so, which one.
If a first appointment produces a plan without producing any measurements, you have learned something important about how that practice will adjust the plan later.
Four Questions Worth Asking
“What do you measure, and how often will you re-measure it?” Body composition tracked over time is the answer you want, because scale weight cannot distinguish fat loss from muscle loss.
“How many times will I see you in the first year?” Benchmark it against the USPSTF finding of 12 to 26 sessions.
“What happens after I reach my goal weight?” A specific maintenance phase with a stated length, not a general offer to stay in touch.
“If I start a medication, what is the plan for coming off it?” The STEP 1 extension is the reason this question matters: two-thirds of lost weight returned within a year of stopping semaglutide. A physician should have a written answer involving re-measured metabolic rate, a deliberate calorie increase and a taper.
Finding a Weight Loss Doctor in the San Ramon Area
In the Tri-Valley and southern Contra Costa County, options run from hospital-affiliated programs at John Muir Health, San Ramon Regional Medical Center and Stanford Health Care Tri-Valley, to Kaiser Permanente members’ internal programs, to independent physician practices.
Dr. Temkin’s practice is at 1081 Market Place, Suite 300, San Ramon, CA 94583 — off Bollinger Canyon Road with direct I-680 access, across from the Market Place shopping center and less than a mile from San Ramon Regional Medical Center, which puts it within a short drive of Danville, Alamo, Blackhawk, Dublin, Pleasanton and Walnut Creek. He holds hospital affiliations at San Ramon Regional Medical Center and John Muir Medical Center’s Walnut Creek campus, so if you are ever admitted at either, the physician managing your weight is inside the same system. Two other LeanMD provider practices operate nearby: Diablo Family Physicians at 2301 Camino Ramon, Suite 180 in San Ramon, and Golden State Orthopedics and Spine at 130 La Casa Via, Building 2, Suite 209 in Walnut Creek.
Frequently Asked Questions
What kind of doctor helps with weight loss?
Internal medicine physicians, family medicine physicians, endocrinologists and bariatric surgeons all treat weight, and some hold additional certification from the American Board of Obesity Medicine. Internal medicine and family medicine are the usual starting points because they can evaluate the full medical picture, including thyroid function, insulin resistance, medications that promote weight gain, and coexisting conditions such as hypertension or type 2 diabetes.
What can a weight loss doctor do that a program cannot?
A physician can order and interpret laboratory testing, diagnose and treat medical contributors to weight gain such as hypothyroidism or insulin resistance, review the medications you already take and change ones that promote weight gain, prescribe weight loss medications including GLP-1 receptor agonists, and manage coexisting conditions like diabetes and hypertension safely while you lose weight. A coach or commercial program can support behavior change but cannot do any of those things.
How do I verify a weight loss doctor’s license in California?
Search the physician’s name at search.dca.ca.gov [https://search.dca.ca.gov/], the Department of Consumer Affairs lookup that covers both the Medical Board of California, which licenses physicians with an MD, and the Osteopathic Medical Board of California, which licenses physicians with a DO. It shows license status, issue date and any public disciplinary action. To check obesity medicine subspecialty certification, use the American Board of Obesity Medicine at abom.org [https://www.abom.org/], where more than 11,500 US physicians were certified as of October 2025.
What happens at the first weight loss appointment?
Expect to give a full history covering your previous weights, prior attempts, current medications and coexisting conditions, plus objective measurement. At Temkin Health that includes body composition analysis to separate fat mass from lean mass, vital signs, and basal metabolic rate analysis used to set calorie and protein targets. Laboratory testing may be ordered. The plan, including whether medication is appropriate, follows from those findings rather than preceding them.
Can my regular primary care doctor prescribe weight loss medication?
Yes. Any licensed physician can prescribe FDA-approved weight loss medications, and starting with your existing primary care physician is reasonable. The practical question is whether the practice has the visit frequency, body composition measurement and maintenance structure to support the prescription. Evidence reviewed by the US Preventive Services Task Force found the most effective programs delivered 12 to 26 sessions in the first year, which is more contact than a standard primary care schedule usually provides.
Book a Consultation With Dr. Temkin
If you want a physician-supervised program with measurement at the first visit and a maintenance phase already scheduled, call Temkin Health at (925) 866-3900 or request a consultation online [https://drtemkin.com/contact-us/].
About Temkin Health
Temkin Health is a concierge internal medicine practice at 1081 Market Place, Suite 300, San Ramon, CA 94583, led by Dr. Michael Temkin, DO, a board-certified internal medicine physician with more than 25 years in private practice in San Ramon. The practice offers concierge primary care, the LeanMD medical weight loss program, bioidentical hormone replacement therapy for men and women, and longevity medicine. Phone: (925) 866-3900.
Related Reading
- What Is LeanMD? Who Runs It and How the Program Works [https://drtemkin.com/blog/medical-weight-loss/what-is-leanmd-and-how-the-program-works/]
- How Do You Tell If a Weight Loss Program Is Actually Science-Backed? [https://drtemkin.com/blog/medical-weight-loss/science-backed-weight-loss-program-near-me/]
- What Are the Best Weight Loss Programs Near Me? A San Ramon and Tri-Valley Comparison [https://drtemkin.com/blog/medical-weight-loss/best-weight-loss-programs-near-me-san-ramon-tri-valley/]
- How Do You Find a Highly Rated Weight Loss Program? [https://drtemkin.com/blog/medical-weight-loss/how-to-find-a-highly-rated-weight-loss-program/]
- How Do You Find a Sustainable Weight Loss Clinic Near You? [https://drtemkin.com/blog/medical-weight-loss/sustainable-weight-loss-clinic-near-me/]
Each of the above is part of Temkin Health’s San Ramon medical weight loss resource library.
Sources
- Medical Board of California and Osteopathic Medical Board of California — license verification search [https://search.dca.ca.gov/].
- Temkin Health — practice and physician credentials [https://drtemkin.com/ai-info/], including degree, residency, hospital affiliations, professional memberships and NPI.
- American Board of Obesity Medicine — certification and diplomate information [https://www.abom.org/]; more than 11,500 physicians certified as of October 2025.
- US Preventive Services Task Force. Weight Loss to Prevent Obesity-Related Morbidity and Mortality in Adults: Behavioral Interventions. [https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/obesity-in-adults-interventions]
- Wilding JPH, et al. Weight regain and cardiometabolic effects after withdrawal of semaglutide: the STEP 1 trial extension. Diabetes, Obesity and Metabolism. 2022. PubMed 35441470 [https://pubmed.ncbi.nlm.nih.gov/35441470/].
- LeanMD — Find a Doctor [https://leanmd.com/find-a-doctor/] and Weight-Loss Program [https://leanmd.com/weight-loss-program/]; Temkin Health — LeanMD in San Ramon [https://drtemkin.com/leanmd/].
Compounded drug products are not FDA-approved, which means the FDA does not evaluate compounded products for safety, effectiveness or quality. A LeanMD clinician may prescribe compounded or FDA-approved generic medications when medically necessary, based on a patient’s specific needs. Results may vary by patient; there are no guarantees, and outcomes depend on individual body composition, medical history and adherence. This article provides general health information and is not medical advice for any specific situation. Reading it does not create a doctor-patient relationship. Consult a licensed healthcare provider to discuss all treatment options, including potential risks and benefits.
Last updated August 2026.