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Dr. Brian A. Dunn, MD

Anesthesiology (Anesthesiology Physician)

  • Medicare participating

At a glance

Years since graduation
26
In the NPI registry since
2006
Medicare patients seen, 2024
137

Licensed in California since 2002, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2000Medical school: University of California, Irvine, California College of Medicine
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Anesthesiology Physician primary
    CA license A78640 (first issued 2002; current)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Anesthesiology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
137
Services billed
149
Patients’ average age
79
Most frequent Medicare services, 2023
ServiceTimesPatients
Anesthesia for x-ray or radiation therapy4039
Anesthesia for procedure to correct abnormal heart rhythm1616
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope1414
Anesthesia for x-ray on artery of brain, heart, or chest1111

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Payments from drug and device companies

In 2025, 2 companies reported 3 payments worth $704 in total to this clinician.

By type
Food and Beverage$704

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in California →

Other Anesthesiology clinicians in Newport Beach

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 9, 2012), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1255371480. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.