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Anesthesiology in Orange, California

Data updated monthly · Last refresh September 2026

272 Anesthesiology providers practice in Orange, and 35% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Anesthesiology providers in Orange

Listed alphabetically. 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. Peixian Gong, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Peter H Breen, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Peter Kim, M.D.
Orange, CA · $54 in drug and device payments (2025) · (714) 880-7812
Dr. Phat Dang, M.D.
Orange, CA · $1,746 in drug and device payments (2025) · (714) 456-3088
Dr. Phillip Richardson, M.D.
Orange, CA · $120 in drug and device payments (2025) · (714) 633-9111
Dr. Pulahinge Rodrigo, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 704-1900
Dr. Quoc Chuong Bui, MD
Orange, CA · $26 in drug and device payments (2025) · (714) 633-9111
Dr. Rajesh Bhat, M.D.
Orange, CA · $466 in drug and device payments (2025) · (714) 633-9111
Dr. Rajkumari V Asrani, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Ralph Da Graca, MD
Orange, CA · $155 in drug and device payments (2025) · (714) 633-9111
Dr. Rasvin Grewal, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Rebecca Sangster, MD
Orange, CA · $311 in drug and device payments (2025) · (714) 633-9111
Dr. Rita Moorman, M.D.
Orange, CA · $138 in drug and device payments (2025) · (714) 704-1900
Dr. Robert Field, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5501
Dr. Robert Peck, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Robin Kim, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Rodney Strachan, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 744-0900
Dr. Roger Arakaki, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Russell Igarashi, DO
Orange, CA · $141 in drug and device payments (2025) · (714) 771-8000
Dr. Salomon Maya, MD
Orange, CA · $3,245 in drug and device payments (2025) · (714) 633-9111
Dr. Samuel Barsh, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5631
Dr. Sankalp Sehgal, M.D.
Orange, CA · $179 in drug and device payments (2025) · (714) 456-8888
Dr. Sarah Giafaglione, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Scott Engwall, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Scott Erwin, MD
Orange, CA · No drug or device payments recorded (2025) · (916) 628-9169
Dr. Scott Mayfield, MD
Orange, CA · $69 in drug and device payments (2025) · (805) 770-3379
Dr. Sean Coeckelenbergh, MD, PHD
Orange, CA · $99 in drug and device payments (2025) · (714) 456-8744
Dr. Sean Melucci
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7949
Dr. Shagun Mohan, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Shaival Patel, MD
Orange, CA · $29 in drug and device payments (2025) · (714) 456-8888
Dr. Shalini Nagaraj
Orange, CA · $122 in drug and device payments (2025) · (714) 456-6661
Dr. Shawn Thomas, M.D.
Orange, CA · $156 in drug and device payments (2025) · (714) 456-5835
Dr. Sheree Hsu, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8309
Dr. Shermeen Vakharia, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Shun Yi Wan
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Simon Kim, BA, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5501
Dr. Siyavash Fooladian, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Son Tran, M.D.
Orange, CA · $17 in drug and device payments (2025) · (714) 633-9111
Dr. Staci Becker, MD
Orange, CA · $31 in drug and device payments (2025) · (714) 880-7812
Dr. Steven Maler, M.D.
Orange, CA · $324 in drug and device payments (2025) · (714) 456-8888
Dr. Sudhakar Subramani, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Susan Yang
Orange, CA · No drug or device payments recorded (2025) · (000) 000-0000
Dr. Swapneel Shah, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Syeda Quadri, M.D.
Orange, CA · $14 in drug and device payments (2025) · (714) 456-6661
Dr. Taewu Kim, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Taizoon Dhoon, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5463
Dr. Tawny Louie
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Thaddeus O'barr, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 744-0900
Dr. Thanh Tran, M.D.
Orange, CA · $124 in drug and device payments (2025) · (714) 633-9111
Dr. Theodore Quilligan, M.D.
Orange, CA · $410 in drug and device payments (2025) · (714) 633-9111

Common questions

How many Anesthesiology providers are in Orange, California?

There are 272 Anesthesiology providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

How many Anesthesiology providers in Orange received drug or device company payments?

94 of 272 (35%) 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 records 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.

All specialties in Orange Anesthesiology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.