Anthony Z. Dash, MD
Nephrology Physician · Seattle, WA
Anthony Z. Dash, MD is a nephrology physician with a practice address in Seattle, Washington, and NPI 1841285475, issued on Sep 20, 2005. Check the license (Washington MD60609653, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Anthony Z. Dash
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD60609653 WA
Self-reported in NPPES; status is on the state search - Practice location
- 904 7TH Ave, Seattle, WA 98104
- Phone
- (206) 860-5575
- Enumerated
- Sep 20, 2005
- Record last updated
- Apr 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20160118000971); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 284 in Washington → Look up another NPI →
Also registered at 904 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hiba AmbreenInternal Medicine Physician1750027942
- Linda Anderson, M.D.Pulmonary Disease Physician1053317222
Verify Anthony Z. Dash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60609653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Polyclinic PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Z. Dash among 284 nephrology physician records in Washington
Anthony Z. Dash, MD is one of 284 nephrology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1986 · median 2003 among the 213 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Washington
There are 284 nephrology physician records in Washington.
All 284 in Washington → Every provider in Seattle → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Bonnie Collins, M.D.Seattle, WA 981041285622142
- Fionnuala Cormack, MDSeattle, WA 981041477656858
- Nelson Goes, M.D.Seattle, WA 981041548259229
- Yoshio Hall, M.D.Seattle, WA 981041205866787
- Leah HaseleySeattle, WA 981041912083700
- Michael Kelly, MDSeattle, WA 981041013903780
- Rajnish Mehrotra, M.D.Seattle, WA 981041992747471
- Bruce O'Neill, M.D.Seattle, WA 981041427024744
Common questions
What is Anthony Z. Dash, MD's NPI number?
Anthony Z. Dash, MD's National Provider Identifier (NPI) is 1841285475, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Z. Dash, MD located?
The NPPES record lists a practice address at 904 7TH Ave, Seattle, WA, 98104. Phone: (206) 860-5575. Providers update this record themselves, so call before visiting.
How can I verify Anthony Z. Dash, MD's license?
NPPES lists Washington license number MD60609653, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.