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Anesthesiology in Oxnard, California

Data updated monthly · Last refresh September 2026

23 Anesthesiology providers practice in Oxnard. Listings are drawn from federal public records and are not endorsements.

Anesthesiology providers in Oxnard

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. David Aguilar, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Douglas Yoon, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 204-5000
Dr. Eli Matthews
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Gary Smith, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 485-1908
Dr. Jon Belleville, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2818
Dr. Kent Swanson, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Mark Harlacher, M.D.
Oxnard, CA · $251 in drug and device payments (2025) · (805) 988-2500
Dr. Mary Cantrell, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 815-4575
Dr. Mary Vreeke, M.D.
Oxnard, CA · $16 in drug and device payments (2025) · (805) 988-2500
Dr. Melissa Arbar, DO
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Nivedita Wallace, M.D.
Oxnard, CA · $14 in drug and device payments (2025) · (805) 988-2500
Dr. Parvinjit Dhaliwal, D.O.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Randall Holtby, M.D.
Oxnard, CA · $144 in drug and device payments (2025) · (805) 988-2500
Dr. Robert Martin, M.D.
Oxnard, CA · $120 in drug and device payments (2025) · (805) 988-2818
Dr. Shannon Ong, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Sharad Sharma, MD
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Sona Parikh, MD
Oxnard, CA · No drug or device payments recorded (2025) · (805) 754-0124
Dr. Tejal Patel, M.D.
Oxnard, CA · $18 in drug and device payments (2025) · (805) 988-2500
Dr. Thomas Doria, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. Thomas Wiggins, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 485-1908
Dr. Vance Kalcic, M.D.
Oxnard, CA · $45 in drug and device payments (2025) · (805) 988-2500
Dr. William Berard, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2500
Dr. William Tellez, M.D.
Oxnard, CA · No drug or device payments recorded (2025) · (805) 988-2818

Common questions

How many Anesthesiology providers are in Oxnard, California?

There are 23 Anesthesiology providers with active NPI records practicing in Oxnard, according to federal NPPES data refreshed monthly.

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 Oxnard 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.