Anesthesiologists in California
Data updated monthly · Last refresh October 2026
7,627 Anesthesiology providers practice in California, including 106 (1%) 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.
7,627providers
106telehealth
Los Angelestop city
Anesthesiology by city in California
Choose a city to see providers there.
Anesthesiology 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. Nathan Mann, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Nhat Le, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Peter Jong, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Rajalaxmi Narasimhan, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Ramin Zolfagari, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Roxanne Tagayun, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Ruke Achoja, MDAnaheim, CA · $120 in drug and device payments (2025) ·
(714) 774-1450 Dr. Sepand Mansouri, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Sujata Vyas, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Sung Choi, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 281-1741 Dr. Sushma Ghanshani, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Thomas Booy, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Tong-shiang Yu, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Trang Hoang, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 774-1450 Dr. Tristyn St. Thomas-achojaAnaheim, CA · $120 in drug and device payments (2025) ·
(877) 594-2787 Dr. Wayne Liang, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-8844 Dr. William Cain, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-4000 Dr. Arnold Weekes, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 756-3400 Dr. Catherine Bell, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 779-7200 Dr. Donald Anderson, M.D.Antioch, CA · No drug or device payments recorded (2025) ·
(925) 754-1842 Dr. Henry Liu, M.D.Antioch, CA · No drug or device payments recorded (2025) ·
(925) 779-7274 Dr. Jerry Peer, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 779-7200 Dr. Michael Mann, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 779-7274 Dr. Purushotham Bhagavath, M.D.Antioch, CA · No drug or device payments recorded (2025) ·
(925) 779-7276 Dr. Toni Carlton, M.D.Antioch, CA · No drug or device payments recorded (2025) ·
(825) 779-7274 Dr. Benilda De Asis, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Devin Tang, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Dominador Frederick Cariaso, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(502) 533-7666 Dr. Elise Dunn, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Jatinder Singh, D.O.Apple Valley, CA · $20 in drug and device payments (2025) ·
(760) 242-2311 Dr. Kabir Ahmed, M.D.Apple Valley, CA · $67 in drug and device payments (2025) ·
(760) 242-2311 Dr. Kunal Jardosh, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Marilou Sobrera, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Michael Pesce, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(760) 946-8736 Dr. Octavius Quijada, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Randhir Kaboo, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-2311 Dr. Tina Lennon, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(914) 843-4008 Dr. Albert Tran, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 898-8000 Dr. Alexander Maglunog, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 574-3540 Dr. Arumakankani Desilva, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 471-9901 Dr. Brian LiyantoArcadia, CA · No drug or device payments recorded (2025) ·
(626) 574-3540 Dr. Brian Yi, D.OArcadia, CA · No drug or device payments recorded (2025) ·
(626) 574-3540 Dr. Carol Humble, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 254-1800 Dr. Denny Cha, MDArcadia, CA · $29,054 in drug and device payments (2025) ·
(626) 574-3540 Dr. Frederick Curtis, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 445-4441 Dr. Hmayak Matossian, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 445-4441 Dr. Jasper Rosario, D.O.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 898-8000 Common questions
How many Anesthesiology providers are in California?There are 7,627 Anesthesiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in California offer telehealth?Yes. 106 of the 7,627 Anesthesiology providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Anesthesiology providers?Los Angeles (774), San Diego (690), San Francisco (508) have the highest concentration of Anesthesiology providers in California.
How many Anesthesiology providers in California received drug or device company payments?2,112 of 7,627 Anesthesiology providers in California (28%) 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 Anesthesiologists in California work in independent practices or large health systems?Among 4,562 Anesthesiologists in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 24% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Anesthesiologists hold privileges are Stanford Health Care in Stanford; Cedars-Sinai Medical Center in Los Angeles; Uci Health-Orange in Orange.
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