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 Angeles | 107 providers |
| Endocrinology, Diabetes & Metabolism in San Francisco | 78 providers |
| Endocrinology, Diabetes & Metabolism in San Diego | 66 providers |
| Endocrinology, Diabetes & Metabolism in Sacramento | 41 providers |
| Endocrinology, Diabetes & Metabolism in Torrance | 34 providers |
| Endocrinology, Diabetes & Metabolism in Stanford | 31 providers |
| Endocrinology, Diabetes & Metabolism in Santa Monica | 22 providers |
| Endocrinology, Diabetes & Metabolism in Long Beach | 20 providers |
| Endocrinology, Diabetes & Metabolism in La Jolla | 20 providers |
| Endocrinology, Diabetes & Metabolism in Fresno | 20 providers |
| Endocrinology, Diabetes & Metabolism in Beverly Hills | 17 providers |
| Endocrinology, Diabetes & Metabolism in Newport Beach | 16 providers |
| Endocrinology, Diabetes & Metabolism in San Jose | 16 providers |
| Endocrinology, Diabetes & Metabolism in Mountain View | 15 providers |
| Endocrinology, Diabetes & Metabolism in Palo Alto | 15 providers |
| Endocrinology, Diabetes & Metabolism in Bakersfield | 13 providers |
| Endocrinology, Diabetes & Metabolism in Orange | 13 providers |
| Endocrinology, Diabetes & Metabolism in Roseville | 12 providers |
| Endocrinology, Diabetes & Metabolism in Walnut Creek | 12 providers |
| Endocrinology, Diabetes & Metabolism in Fullerton | 12 providers |
| Endocrinology, Diabetes & Metabolism in Santa Barbara | 12 providers |
| Endocrinology, Diabetes & Metabolism in Mission Viejo | 11 providers |
| Endocrinology, Diabetes & Metabolism in Duarte | 11 providers |
| Endocrinology, Diabetes & Metabolism in Irvine | 11 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. Warren Lee, MD, MHSPasadena, CA · $1,074 in drug and device payments (2025) ·
(626) 797-7470 Dr. Yang Shen, M.D.Pasadena, CA · $772 in drug and device payments (2025) · Telehealth ·
(626) 397-8323 Dr. Linda Bundy, APRNPenn Valley, CA · $206 in drug and device payments (2025) ·
(530) 451-6234 Dr. David Chappell, M.D.Petaluma, CA · $1,244 in drug and device payments (2025) · Telehealth ·
(707) 762-0001 Dr. Thomas Knecht, MD, PHDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 762-0001 Dr. Minou Tran, M.D.Pico Rivera, CA · $107,696 in drug and device payments (2025) ·
(562) 923-5800 Dr. Michael Oconnor, MDPinole, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 753-1986 Dr. Pragnesh Patel, MDPittsburg, CA · $127 in drug and device payments (2025) · Telehealth ·
(925) 432-3318 Dr. Aswathi Kumar, MDPleasanton, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 534-6500 Dr. Craig Sadur, MDPleasanton, CA · No drug or device payments recorded (2025) ·
(925) 847-5000 Dr. Jennifer Fuh, DOPleasanton, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 534-6500 Dr. Nimmy Rodrigues, MDPleasanton, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 534-6500 Dr. Nishkala Gutta, MDPleasanton, CA · $23 in drug and device payments (2025) · Telehealth ·
(925) 534-6500 Dr. Raymundo Punzalan, M.D.Pleasanton, CA · No drug or device payments recorded (2025) ·
(925) 463-1400 Dr. Shefali Dham, M.D.Pleasanton, CA · $304 in drug and device payments (2025) · Telehealth ·
(925) 416-6767 Dr. Airani Sathananthan, MDPomona, CA · $173 in drug and device payments (2025) · Telehealth ·
(909) 706-3779 Dr. Daryoosh Valamanesh, M.D.Pomona, CA · $1,188 in drug and device payments (2025) ·
(909) 469-1823 Dr. Ewa Konca, MDPomona, CA · $2,870 in drug and device payments (2025) · Telehealth ·
(909) 622-3065 Dr. Nilem Patel, M.D.Pomona, CA · $383 in drug and device payments (2025) · Telehealth ·
(909) 629-3062 Dr. Rucha Mehta, MDPomona, CA · No drug or device payments recorded (2025) ·
(909) 706-3779 Dr. Seerat Anand, M.D.Pomona, CA · $134 in drug and device payments (2025) · Telehealth ·
(909) 447-8585 Dr. Urvi Vyas, M.D.Pomona, CA · $149 in drug and device payments (2025) · Telehealth ·
(909) 447-8585 Dr. Tik Tjoa, MDPonoma, CA · No drug or device payments recorded (2025) ·
(909) 595-1221 Dr. Elise Kwon, MDPorter Ranch, CA · No drug or device payments recorded (2025) ·
(818) 403-2420 Dr. Jelena MaletkovicPorter Ranch, CA · $7,055 in drug and device payments (2025) · Telehealth ·
(818) 271-2400 Dr. Martin Stein, M. D.Portola Valley, CA · No drug or device payments recorded (2025) ·
(650) 529-1786 Dr. Sadaf Farasat, M.D., MPHPoway, CA · $3,395 in drug and device payments (2025) · Telehealth ·
(858) 675-3145 Dr. Gerald Bishop, M.D.Rancho Cordova, CA · No drug or device payments recorded (2025) ·
(916) 403-4144 Dr. Jeffrey Unger, M.D.Rancho Cucamonga, CA · $188,168 in drug and device payments (2025) ·
(909) 590-8409 Dr. Silvana Giannelli, MDRancho Cucamonga, CA · $223 in drug and device payments (2025) · Telehealth ·
(909) 757-8078 Dr. Chadi RichehRancho Mirage, CA · $1,453 in drug and device payments (2025) · Telehealth ·
(760) 834-7966 Dr. Elke Jost-vu, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 321-5257 Dr. Helen Baron, M.D.Rancho Mirage, CA · $140,858 in drug and device payments (2025) · Telehealth ·
(760) 321-5257 Dr. Mohamad Alnabelsi, MDRancho Mirage, CA · $673 in drug and device payments (2025) · Telehealth ·
(760) 773-5350 Dr. Suzanne Chaves, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 321-5257 Dr. Wendy White, MDRancho Mirage, CA · $168 in drug and device payments (2025) · Telehealth ·
(760) 321-5257 Dr. Gladys Palomeno, M.D.Rancho Palos Verdes, CA · $2,066 in drug and device payments (2025) · Telehealth ·
(424) 264-5286 Dr. Afshin Hamidi, M.D.Rancho Santa Margarita, CA · $135 in drug and device payments (2025) · Telehealth ·
(858) 933-5050 Dr. Maylene Peralta, MDRedding, CA · $70 in drug and device payments (2025) · Telehealth ·
(530) 242-3570 Dr. Mitchell Akman, M.D.Redding, CA · $1,074 in drug and device payments (2025) · Telehealth ·
(530) 229-1844 Dr. Safa HammamiRedding, CA · No drug or device payments recorded (2025) ·
(530) 224-2700 Dr. Chukwuka Akamnonu, M.D.Redlands, CA · $1,974 in drug and device payments (2025) · Telehealth ·
(909) 793-3311 Dr. Olivia Papacostea, M.D.Redlands, CA · $121 in drug and device payments (2025) ·
(909) 825-7084 Dr. Jerry Gerson, MDRedondo Beach, CA · No drug or device payments recorded (2025) ·
(310) 890-2505 Dr. Lawrence Parker, M.D.Redondo Beach, CA · No drug or device payments recorded (2025) ·
(310) 792-2942 Dr. Lubna Naqi, M.D.Redondo Beach, CA · $237 in drug and device payments (2025) · Telehealth ·
(310) 376-8816 Dr. Robert Rubin, MDRedondo Beach, CA · No drug or device payments recorded (2025) ·
(310) 970-2288 Dr. Timothy Wong, MDRedwood City, CA · $209 in drug and device payments (2025) ·
(650) 299-2000 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.
- Type 2 diabetes
- Thyroid disorders
- Osteoporosis
- Hormone imbalance
- Type 1 diabetes
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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