A GLP-1 doctor is any licensed clinician who is trained to evaluate your health, prescribe a GLP-1 medication when it fits, and follow you closely afterward. That can be a primary care physician, an internist, an endocrinologist, or a physician board-certified in obesity medicine. What matters most is the quality of the evaluation, the follow-up, and the support around the prescription. Below, we walk through who prescribes, who may qualify, what to expect, and how to choose with confidence.
TL;DR
- Primary care physicians and internists write almost half of obesity-drug prescriptions, so your own doctor is a sound place to start (HealthCentral).
- Adults with a BMI of 30 or higher, or 27 or higher with a weight-related condition, may be candidates (NIDDK).
- Expect a full evaluation first, then visits at least monthly for the first 3 months.
- Look for a doctor who pairs medication with nutrition, activity, and ongoing follow-up.
- At Macie Medical in Katy, Dr. Judith Aniekwena is board-certified in internal medicine and obesity medicine.
Table of Contents
- What kind of doctor prescribes GLP-1 medication?
- Who may qualify for a GLP-1 prescription?
- How to choose a GLP-1 doctor you can trust
- What happens after a doctor starts GLP-1 treatment?
- Side effects and safety to review with your doctor
- Lifestyle: the other half of treatment
- Our perspective
- See a GLP-1 doctor in Katy
- FAQ
- Sources
What kind of doctor prescribes GLP-1 medication?
Many kinds of clinicians can. Primary care physicians and internists supply almost half of obesity-drug prescriptions, nurse practitioners and physician assistants write about 40%, and endocrinologists about 4%, according to HealthCentral’s reporting.
That spread is good news. You do not need a referral chain to get started, and the doctor who already knows your history is often best placed to judge whether a GLP-1 medication is safe for you. As one internal medicine physician quoted in that piece puts it, a prescriber needs to understand how the medication works and use your health history to spot contraindications and keep treatment safe and sustainable.
Primary care physicians and internists
A primary care doctor sees the whole picture: blood pressure, blood sugar, thyroid, medications, family history. That context matters because GLP-1 medicines interact with other conditions. If you also manage diabetes or hypertension, one clinician can coordinate all of it. Our adult primary care guide explains what ongoing care looks like.
Obesity medicine physicians
Obesity medicine is a certified subspecialty. Verywell Health reports that about 10,000 doctors are certified in it, and that certification requires an exam and 60 hours of continuing medical education. These doctors focus on the biology of weight, medication choices, and long-term maintenance.
Endocrinologists
An endocrinologist is a hormone specialist, and seeing one can make sense if you have a complex hormonal or metabolic condition. For many adults it is not a required first step, and a primary care or obesity medicine physician can often manage treatment directly.
Support beyond the prescription
Medication works best inside a wider plan. Some people also find that stress and emotional eating patterns shape their progress, and approaches such as hypnotherapy for weight loss are one option people explore alongside medical care. Your physician can help you decide what to add.
Who may qualify for a GLP-1 prescription?
The NIDDK says clinicians may prescribe weight-management medication to adults with a BMI of 30 or greater, or 27 or greater with weight-related health problems such as high blood pressure or type 2 diabetes. The Wegovy label similarly describes use in adults with obesity, or with overweight plus at least one weight-related condition, alongside a reduced-calorie diet and more physical activity.
BMI is only the starting line. The American Diabetes Association says prescribers should complete a comprehensive evaluation for obesity and obesity-related diseases before prescribing. In practice, your doctor will usually review:
- your medical and family history, including thyroid conditions
- current medications and supplements
- blood pressure, weight, and relevant lab work
- prior weight-loss attempts and your goals
- pregnancy plans, for women
If you have type 2 diabetes and overweight or obesity, the same ADA guidance says the preferred medication is a GLP-1 receptor agonist or a dual GIP/GLP-1 agonist, given their weight and glucose effects.
What about Medicare?
Medicare lists a GLP-1 Bridge that, starting July 1, 2026, covers Foundayo, Wegovy, and Zepbound for people with Part D who are 18 or older and meet the BMI and health-condition criteria. Check that page for current details, and ask our team if you want help understanding where you stand.
How to choose a GLP-1 doctor you can trust
The ADA recommends that prescribers be knowledgeable about efficacy, indications, contraindications, adverse effects, benefits, and costs. Use that as your checklist.
- Credentials. Verywell Health notes a physician’s online profile should make obesity-medicine certification clear, and you can call the office or hospital system to ask.
- A real evaluation. Your first visit should involve history, exam, and questions, not just a quick order.
- A follow-up plan. You should leave knowing when you will be seen next.
- Lifestyle support. The ADA says practices should provide behavioral and lifestyle therapy to people on obesity medication, or refer to dietitians and structured programs if they cannot do it in-house.
- Clear costs. Ask what visits, medication, and labs cost before you begin.
- Time and respect. You should feel heard.
What happens after a doctor starts GLP-1 treatment?
Expect a gradual start. Yale Medicine notes clinicians typically begin at the lowest dose and raise it slowly, with the fastest increase being once a month.
The ADA recommends follow-up at least monthly for the first 3 months, at least every 3 months for the rest of the first year, and possibly every 6 months afterward for long-term management. Visits are for checking how well it works, managing side effects, and monitoring your health.
The NIDDK advises that if you are not losing weight after 12 weeks on the full dose, you should ask your health care professional whether to stop. Even modest results matter: the ADA states that losing 5 to 7% of baseline weight improves blood sugar and other cardiovascular risk factors.
Results you can discuss with your doctor
The AAFP reports that incretin-based medicines show the greatest weight-loss benefit among obesity drugs, with tirzepatide exceeding 20% reduction in some patients. Individual results vary, and your doctor can set realistic expectations. To compare options, see our guide on semaglutide vs. tirzepatide, or learn how GLP-1 causes weight loss.
Side effects and safety to review with your doctor
The Wegovy label lists the most common reactions in adults as nausea, diarrhea, vomiting, constipation, abdominal pain, headache, fatigue, dyspepsia, dizziness, and abdominal distension. Most people discuss these at their first follow-up so the dose can be adjusted.
Serious matters worth raising before you start:
- Thyroid cancer history. The medication is contraindicated with a personal or family history of medullary thyroid carcinoma or MEN 2. Tell your doctor about any such history.
- Pancreatitis. Acute pancreatitis has been observed with GLP-1 receptor agonists, so call your doctor promptly for severe, persistent abdominal pain.
- Gallbladder disease. In adult trials, cholelithiasis was reported by 1.6% of treated patients versus 0.7% on placebo.
- Dehydration and kidney injury, severe stomach problems, allergic reactions, and anesthesia. The label also warns about acute kidney injury, severe gastrointestinal reactions, hypersensitivity, and aspiration during sedation. Tell any surgical or anesthesia team that you take a GLP-1.
- Mood. The FDA’s preliminary review found no evidence that these drugs cause suicidal thoughts, though a small risk cannot be ruled out. Report any change in mood.
Lifestyle: the other half of treatment
The Wegovy label describes the medication as used in combination with a reduced-calorie diet and increased physical activity. The ADA recommends counseling on nutrition, activity, and behavior aimed at a 500 to 750 kcal per day deficit, plus a long-term maintenance program with monthly support.
This matters for the long run. According to the ADA, stopping semaglutide or tirzepatide suddenly led to regaining one-half to two-thirds of lost weight within a year. The habits you build now, and a doctor who helps you plan for maintenance, are what make progress last.
Our perspective
We believe a GLP-1 prescription should be the result of a conversation, not a transaction. Medication can be a powerful tool, and it works best when a physician knows your history, your goals, and your daily life.
That is why Dr. Judith Aniekwena, who is board-certified in both internal medicine and obesity medicine, leads our medical weight loss care. Our programs are physician-supervised, and GLP-1 medications such as tirzepatide are considered when appropriate, never by default.
We also see weight as part of whole-person health. The same visit can address blood pressure, diabetes, thyroid concerns, or menopause, because your health needs a home base. Our aim is that you leave every appointment understanding your plan and feeling heard.
the author
See a GLP-1 doctor in Katy
Macie Medical offers physician-supervised weight loss led by a board-certified obesity medicine doctor, in person in Katy or by telehealth anywhere in Texas. We also serve patients from Cypress, Richmond, and Memorial City, and offer on-site lab services.
If you prefer a cash-pay option, our cash-pay clinic page lists Package 1 at $500 per year, Package 2 at $700 per year, and additional visits at $150 per visit. Starting November 16, 2026, we welcome patients at our new, larger office at 633 E Fernhurst Dr, Suite 205, Katy, TX 77450. Book online to start the conversation.
FAQ
What kind of doctor should I see for GLP-1 medication?
Start with a primary care physician, internist, or a doctor board-certified in obesity medicine. These clinicians write many of the prescriptions and can review your whole health history. An endocrinologist can be helpful for complex hormonal conditions.
How often will I see my doctor on a GLP-1?
The ADA recommends visits at least monthly for the first 3 months, at least every 3 months for the rest of the first year, and then possibly every 6 months. Your doctor may schedule more often based on your needs.
Do I need to change how I eat and exercise?
Yes. These medicines are indicated alongside a reduced-calorie diet and increased physical activity, and the ADA recommends behavioral and lifestyle support for anyone prescribed them. Your doctor can help you build a plan that fits your life.
What should I tell my doctor before starting?
Share any personal or family history of medullary thyroid carcinoma or MEN 2, pancreatitis, gallbladder problems, and all medications you take. Mention upcoming surgeries or sedation, too.
Sources
- Who Can Prescribe Anti-Obesity Drugs: Get the Facts, HealthCentral
- Who Can Prescribe Anti-Obesity Medications?, Verywell Health
- Pharmacologic treatment of obesity in adults: ADA Standards of Care
- Prescription Medications to Treat Overweight & Obesity, NIDDK
- Weight loss drugs, Medicare
- Pharmacotherapy – Obesity Management, AAFP FP Essentials
- Wegovy prescribing information, FDA
- Wegovy label, FDA
- Wegovy, DailyMed
- FDA update on suicidal thoughts evaluation
- Obesity and Weight Management, ADA Standards of Care 2026
- Section 8: Obesity and Weight Management, ADA
