Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Anna Marie Zemke, MD, MS

Nephrology Physician in Issaquah, WA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639733991

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Registry record

Entity type Individual (Type 1)

Name Dr. Anna Marie Zemke

Credential MD, MS

Sex Female

Practice address 751 Ne Blakely Dr Fl 3, Issaquah, WA, 98029

Phone (425) 313-5253

Fax (425) 313-7720

Enumeration date Apr 23, 2019

Last updated in NPPES Feb 24, 2026

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License MD61463350 (WA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
2213289	Medicaid	WA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1639733991 active?

Yes, as of the latest NPPES snapshot, NPI 1639733991 is active (record last updated 2026-02-24).

How do I verify Anna Zemke's NPI record?

Cross-check NPI 1639733991 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-24.