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Dr. Anthony Z. Dash, MD

Nephrology (Kidney) (Nephrology Physician)

904 7th Ave
Seattle, WA 98104

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) 860-5575

  • Medicare participating

At a glance

In the NPI registry since
2005
Medicare patients seen, 2024
53

Licensed in Washington since 2015, 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

  • 2005Registered 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

  • Nephrology Physician primary
    WA license MD60609653 (first issued 2015; active)

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

Map: Nephrology (Kidney) per capita by county →

Medicare patients and services

Medicare patients, 2024
53
Services billed
117
Patients’ average age
69
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes13966
Hemodialysis procedure with physician evaluation3118
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes1919
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes1414

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.

Other Nephrology (Kidney) clinicians in Seattle

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 29, 2026), 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 1841285475. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.