General Surgeons in California
Data updated monthly · Last refresh October 2026
3,111 Surgery providers practice in California, including 468 (15%) 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.
3,111providers
468telehealth
Los Angelestop city
Surgery by city in California
Choose a city to see providers there.
Surgery 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. Mary Murphy, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 297-3303 Dr. Mathias Kill, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-7575 Dr. Mayer Tenenhaus, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 543-6084 Dr. Mersadies Martin, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 323-8700 Dr. Michael Clar, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 528-5000 Dr. Michael Herman, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 851-3779 Dr. Michael Hornacek, M.D.San Diego, CA · $507 in drug and device payments (2025) ·
(619) 437-2860 Dr. Michael Mccue, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 653-6145 Dr. Mohan Krishnamoorthy, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 616-8225 Dr. Nikhil Kansal, M.D.San Diego, CA · $3,994 in drug and device payments (2025) ·
(619) 543-1899 Dr. Peter Attia, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 346-6313 Dr. Peter Than, M.D.San Diego, CA · $68 in drug and device payments (2025) ·
(800) 926-8273 Dr. Rachel Jensen, MDSan Diego, CA · $18 in drug and device payments (2025) ·
(800) 926-8273 Dr. Ran Luo, M.D.San Diego, CA · $2,834 in drug and device payments (2025) ·
(858) 534-5107 Dr. Raul Coimbra, M.D./PH.DSan Diego, CA · $196 in drug and device payments (2025) ·
(619) 543-7024 Dr. Rebeca Dominguez Profeta, MDSan Diego, CA · $555 in drug and device payments (2025) ·
(800) 926-8273 Dr. Rebecca Marmor, M.D.San Diego, CA · $134 in drug and device payments (2025) · Telehealth ·
(619) 543-7768 Dr. Robert Manly, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 939-8350 Dr. Rodd Benfield, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-7579 Dr. Ro Park, MDSan Diego, CA · $35 in drug and device payments (2025) · Telehealth ·
(858) 277-7111 Dr. Ryan Barnes, D.O.San Diego, CA · $4,319 in drug and device payments (2025) ·
(858) 565-0104 Dr. Ryan Broderick, M.DSan Diego, CA · $109,856 in drug and device payments (2025) · Telehealth ·
(619) 290-0536 Dr. Samuel Obiekwe, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(909) 816-1032 Dr. Santiago HorganSan Diego, CA · $786 in drug and device payments (2025) ·
(619) 543-1899 Dr. Sara Grossi, M.D.San Diego, CA · $156 in drug and device payments (2025) ·
(800) 926-8273 Dr. Scott Greenway, MDSan Diego, CA · $1,385 in drug and device payments (2025) ·
(619) 528-5000 Dr. Scott Wenger, D.O.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 616-5011 Dr. Seon Jones, M.D.San Diego, CA · $198 in drug and device payments (2025) ·
(619) 532-7575 Dr. Shawn Bench, MDSan Diego, CA · $214 in drug and device payments (2025) · Telehealth ·
(858) 565-0104 Dr. Sonia Ramamoorthy, M.D.San Diego, CA · $31,841 in drug and device payments (2025) · Telehealth ·
(800) 926-8273 Dr. Stephanie Woodward, MDSan Diego, CA · $41 in drug and device payments (2025) ·
(858) 565-0104 Dr. Thomas Handley, MDSan Diego, CA · $335 in drug and device payments (2025) ·
(858) 657-7025 Dr. Thomas Marshall, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-7577 Dr. Thomas Paluch, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 528-5000 Dr. Tiffany Cox, M.D.San Diego, CA · $78 in drug and device payments (2025) ·
(619) 532-6400 Dr. Vadim Avulov, D.O.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 396-6637 Dr. Walter Kucera, MDSan Diego, CA · $18 in drug and device payments (2025) ·
(336) 413-2841 Dr. Warren Tseng, MDSan Diego, CA · $4,190 in drug and device payments (2025) ·
(858) 616-5335 Dr. William Ardill, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 552-8585 Dr. William Berry, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(781) 726-0812 Dr. William Bertucci, M.D.San Diego, CA · $5,751 in drug and device payments (2025) ·
(619) 532-7575 Dr. Winta Mehtsun, MDSan Diego, CA · $20,134 in drug and device payments (2025) · Telehealth ·
(800) 926-8273 Dr. Yin-vui Yong, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 275-2777 Dr. Yiping Li, MDSan Diego, CA · $39 in drug and device payments (2025) ·
(619) 662-1222 Dr. Christojohn Samuel, MDSan Fernando, CA · No drug or device payments recorded (2025) ·
(818) 365-1668 Dr. Adaeze Obinelo, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(603) 943-9165 Dr. Adnan Jaigirdar, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-0789 Dr. Adriana Pero, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Ajjana TechagumpuchSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-2165 Dr. Alan Zambeli-ljepovicSan Francisco, CA · $46 in drug and device payments (2025) ·
(415) 476-1239 Common questions
How many Surgery providers are in California?There are 3,111 Surgery providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Surgery providers in California offer telehealth?Yes. 468 of the 3,111 Surgery providers in California (about 15%) report offering telehealth services in CMS data.
Which cities in California have the most Surgery providers?Los Angeles (260), San Francisco (205), San Diego (158) have the highest concentration of Surgery providers in California.
How many Surgery providers in California received drug or device company payments?1,519 of 3,111 Surgery providers in California (49%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 General Surgeons in California work in independent practices or large health systems?Among 1,794 General Surgeons in California enrolled in Medicare, 24% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do General Surgeons in California work at?According to CMS facility affiliation records, the California hospitals where the most General Surgeons hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.
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