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Dr. Patrick H. Heffernan, MD

Neurology (Neurology Physician)

3901 Hoyt Ave
Everett, WA 98201

Who else practices at this address →

Snohomish County includes primary care (7% of residents) and dental (8% of residents) and mental health (36% of residents) shortage areas. About shortage areas

Call (425) 339-5408

At a glance

Years since graduation
6
In the NPI registry since
2020

Licensed in Washington since 2024, 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. What an NPI is

Education and training

  • 2020Registered with an NPI (national billing number; not a license date)

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

  • Neurology Physician primary
    WA license MD61514873 (first issued 2024; active)

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

Map: Neurology 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 prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Carbidopa-Levodopa (carbidopa/levodopa)
Other prescribers in Everett, WA
20

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

Other Neurology clinicians in Everett

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 30, 2025), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1972132520. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.