HealthcareDiscovery.AI / Doctors / California / Endocrinology, Diabetes & Metabolism

Endocrinologists in California

Data updated monthly · Last refresh October 2026

1,135 Endocrinology, Diabetes & Metabolism providers practice in California, including 586 (52%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

1,135providers
586telehealth
Los Angelestop city

Endocrinology, Diabetes & Metabolism by city in California

Choose a city to see providers there.

Endocrinology, Diabetes & Metabolism in Los Angeles107 providers
Endocrinology, Diabetes & Metabolism in San Francisco78 providers
Endocrinology, Diabetes & Metabolism in San Diego66 providers
Endocrinology, Diabetes & Metabolism in Sacramento41 providers
Endocrinology, Diabetes & Metabolism in Torrance34 providers
Endocrinology, Diabetes & Metabolism in Stanford31 providers
Endocrinology, Diabetes & Metabolism in Santa Monica22 providers
Endocrinology, Diabetes & Metabolism in Long Beach20 providers
Endocrinology, Diabetes & Metabolism in La Jolla20 providers
Endocrinology, Diabetes & Metabolism in Fresno20 providers
Endocrinology, Diabetes & Metabolism in Beverly Hills17 providers
Endocrinology, Diabetes & Metabolism in Newport Beach16 providers
Endocrinology, Diabetes & Metabolism in San Jose16 providers
Endocrinology, Diabetes & Metabolism in Mountain View15 providers
Endocrinology, Diabetes & Metabolism in Palo Alto15 providers
Endocrinology, Diabetes & Metabolism in Bakersfield13 providers
Endocrinology, Diabetes & Metabolism in Orange13 providers
Endocrinology, Diabetes & Metabolism in Roseville12 providers
Endocrinology, Diabetes & Metabolism in Walnut Creek12 providers
Endocrinology, Diabetes & Metabolism in Fullerton12 providers
Endocrinology, Diabetes & Metabolism in Santa Barbara12 providers
Endocrinology, Diabetes & Metabolism in Mission Viejo11 providers
Endocrinology, Diabetes & Metabolism in Duarte11 providers
Endocrinology, Diabetes & Metabolism in Irvine11 providers

Endocrinology, Diabetes & Metabolism providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Anita Abraham, M.D.
Stockton, CA · $581 in drug and device payments (2025) · Telehealth · (209) 943-2041
Dr. Anne Barnett, MD
Stockton, CA · $327 in drug and device payments (2025) · Telehealth · (209) 546-5200
Dr. Golyar Keyhan, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. James Rooke, M.D.
Stockton, CA · $396 in drug and device payments (2025) · Telehealth · (209) 957-7050
Dr. Jenan Gabi, MD
Stockton, CA · $300 in drug and device payments (2025) · Telehealth · (209) 943-2041
Dr. Khin Ma, M.D.
Stockton, CA · $519 in drug and device payments (2025) · Telehealth · (209) 957-7050
Dr. Tarandeep Kaur, MD
Stockton, CA · No drug or device payments recorded (2025) · Telehealth · (209) 546-5200
Dr. Vedesh Babu, MD
Stockton, CA · $558 in drug and device payments (2025) · (209) 373-2829
Dr. Samudyatha Shivalingappa, M.D.
Sunnyvale, CA · $92 in drug and device payments (2025) · Telehealth · (408) 524-4116
Dr. Maria Magar, MD
Sylmar, CA · No drug or device payments recorded (2025) · (818) 364-1555
Dr. Nasser Mikhail, M.D.
Sylmar, CA · $29 in drug and device payments (2025) · (818) 364-3205
Dr. Rosana Ayoub, MD
Sylmar, CA · $308 in drug and device payments (2025) · Telehealth · (818) 364-3205
Dr. Vahid Mahabadi, MD, MPH
Sylmar, CA · $268 in drug and device payments (2025) · (818) 364-3205
Dr. Ardeshir Soroushyari, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · Telehealth · (818) 996-5700
Dr. Joshua Rokaw, M.D.
Tarzana, CA · $1,370 in drug and device payments (2025) · Telehealth · (424) 314-7672
Dr. Mark Geller, M.D.
Tarzana, CA · $73 in drug and device payments (2025) · Telehealth · (818) 466-7700
Dr. Paul Sogol, MD
Tarzana, CA · No drug or device payments recorded (2025) · (818) 776-2627
Dr. Yehuda Handelsman, M.D.
Tarzana, CA · $156,462 in drug and device payments (2025) · (818) 708-9942
Dr. Bill Jou, M.D.
Temecula, CA · $1,907 in drug and device payments (2025) · Telehealth · (951) 676-8118
Dr. Kathy Joo, M.D.
Temecula, CA · No drug or device payments recorded (2025) · (951) 308-1325
Dr. Amy Chow, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth · (805) 418-3500
Dr. Joseph Pinzone, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 418-9100
Dr. Lauren Beshay, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth · (805) 418-3500
Dr. Na Shen, M.D.
Thousand Oaks, CA · $282 in drug and device payments (2025) · Telehealth · (805) 418-3500
Dr. Sarfraz Zaidi, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 495-7143
Dr. Aarthi Arasu, MD
Torrance, CA · No drug or device payments recorded (2025) · Telehealth · (310) 542-6333
Dr. Alicia Lee, M.D.
Torrance, CA · $36 in drug and device payments (2025) · Telehealth · (310) 793-4651
Dr. Anahita Ghazi, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-1867
Dr. Andrew Gianoukakis, M.D.
Torrance, CA · $1,656 in drug and device payments (2025) · Telehealth · (310) 222-5183
Dr. Aram Mouzeyan, M.D., M.A.
Torrance, CA · No drug or device payments recorded (2025) · Telehealth · (310) 222-1866
Dr. Barbara Lebron, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 326-9167
Dr. Cathy Doria-medina, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 214-0811
Dr. Cynthia Williams, M.D.
Torrance, CA · No drug or device payments recorded (2025) · Telehealth · (310) 325-9200
Dr. Deborah Chon, M.D.
Torrance, CA · $59 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. Dianne Cheung, M.D.
Torrance, CA · $1,342 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. Eli Ipp, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-5101
Dr. Erica Patel, M.D.
Torrance, CA · $133 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. Hae Seung Lee, M.D.
Torrance, CA · $1,443 in drug and device payments (2025) · Telehealth · (424) 210-5484
Dr. Hung Nguyen, M.D.
Torrance, CA · $1,304 in drug and device payments (2025) · Telehealth · (310) 517-8952
Dr. Jennifer Han, M.D.
Torrance, CA · $201 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. John Tayek, M.D.
Torrance, CA · $103 in drug and device payments (2025) · (310) 222-5101
Dr. John Tsao, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 542-6333
Dr. Kent Holtorf, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 375-2705
Dr. Nidhi Agarwal, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 517-8952
Dr. Parul Khanna, MD
Torrance, CA · $555 in drug and device payments (2025) · Telehealth · (647) 460-6962
Dr. Peter Liu, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-5015
Dr. Prativa Rajbhandari, MD
Torrance, CA · $1,056 in drug and device payments (2025) · Telehealth · (424) 210-5484
Dr. Rajesh Garg, MD
Torrance, CA · No drug or device payments recorded (2025) · (424) 306-4000
Dr. Robert Li, M.D./PH.D.
Torrance, CA · $15,088 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. Ronald Swerdloff, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-5101

Conditions Endocrinology, Diabetes & Metabolism providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Endocrinology, Diabetes & Metabolism providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Endocrinology, Diabetes & Metabolism providers are in California?

There are 1,135 Endocrinology, Diabetes & Metabolism providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Endocrinology, Diabetes & Metabolism providers in California offer telehealth?

Yes. 586 of the 1,135 Endocrinology, Diabetes & Metabolism providers in California (about 52%) report offering telehealth services in CMS data.

Which cities in California have the most Endocrinology, Diabetes & Metabolism providers?

Los Angeles (107), San Francisco (78), San Diego (66) have the highest concentration of Endocrinology, Diabetes & Metabolism providers in California.

How many Endocrinology, Diabetes & Metabolism providers in California received drug or device company payments?

615 of 1,135 Endocrinology, Diabetes & Metabolism providers in California (54%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Endocrinology, Diabetes & Metabolism providers in California treat?

Endocrinology, Diabetes & Metabolism providers commonly treat type 2 diabetes, thyroid disorders, osteoporosis, hormone imbalance, type 1 diabetes and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Endocrinologists in California work in independent practices or large health systems?

Among 765 Endocrinologists in California enrolled in Medicare, 18% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 74% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Endocrinologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Endocrinologists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Stanford Health Care in Stanford; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Endocrinology, Diabetes & Metabolism in California? Get featured.