Endocrinologists specialise in hormones and metabolism: blood sugar, thyroid, weight, bones and glands. Below are 30 endocrinologists with a practice in Los Angeles, California, from the federal NPI Registry, with what to bring and ask so your visit counts.
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Listings come from the CMS NPPES NPI Registry, the public federal record of licensed providers, checked October 2026. Being listed is not a recommendation or an endorsement, and we do not receive anything from these doctors. Call the office to confirm insurance, availability and that they are accepting new patients. In an emergency, call 911.
After your visit
Endocrine conditions change slowly, so the details between visits matter: how you felt, what changed, what side effects came and went. A clear log makes the next lab review a real conversation. Emerge Care, free to download on iPhone, is built for exactly that: tell it how you feel in your own words, get plain answers with the source behind every fact, and walk into your next endocrinologist appointment in Los Angeles with a one-page summary and your questions ready.
Emerge Care never diagnoses or replaces your doctor.
This page lists 30 endocrinologists with a practice in Los Angeles, California (ZIP codes 90003, 90015, 90017, 90022, 90027, 90028 and more), from the federal NPI Registry. Call the office to confirm they take your insurance and are accepting new patients.
It depends on your insurance plan, not the state. HMO plans usually need a referral from your primary care doctor; many PPO plans do not. Check with your plan before booking.
A list of everything you take, including supplements, with how often; Your insurance card and photo ID; Recent lab results or imaging reports, if another clinician ordered them; Recent blood sugar, thyroid and other lab results; Glucose readings from a meter or monitor, if you use one.
Only if your doctor ordered fasting labs. Ask the office when you book.
Many people manage diabetes with their primary care doctor. An endocrinologist adds specialist care when it is complex or hard to control.
Works with Apple Health and Apple Watch. Your health records stay on your phone.