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Dr. Peter Brandon, MD

OB-GYN (Obstetrics & Gynecology) (Gynecology Physician)

5410 Barnes Ave Nw
Seattle, WA 98107

Who else practices at this address →

King County includes primary care (5% of residents) and dental (4% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (206) 784-0810

At a glance

In the NPI registry since
2006

Licensed in Washington since 1991, according to the Washington State Department of Health. 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

  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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

  • Gynecology Physician primary
    WA license MD00029025 (first issued 1991; active)

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

Map: OB-GYN (Obstetrics & Gynecology) per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Dotti (estradiol)
Other prescribers in Seattle, WA
16
Minivelle (estradiol)
Other prescribers in Seattle, WA
13

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 2 companies reported 19 payments worth $451 in total to this clinician.

By company
Mayne Pharma Commercial LLC$432
Hologic Sales and Service, LLC$19.58
By type
Food and Beverage$451

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 Washington →

Other OB-GYN (Obstetrics & Gynecology) clinicians in Seattle

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 6, 2011), 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 1407914930. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.