Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John R. Overbeck, MD

Diagnostic Radiology Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1700864261

Verified

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Registry record

Entity type Individual (Type 1)

Name John R. Overbeck

Credential MD

Sex Male

Practice address 4803 55th Ave S, Seattle, WA, 98118

Phone (206) 579-8871

Enumeration date Jan 5, 2006

Last updated in NPPES Jul 2, 2026

Taxonomy & licenses

2085N0904X Nuclear Radiology Physician Allopathic & Osteopathic Physicians · License MD455386 (PA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD.MD.00035253 (WA) Primary

207U00000X Nuclear Medicine Physician Allopathic & Osteopathic Physicians · License 24396 (HI) Secondary

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
8234643	Medicaid	WA	-
175496	Other	WA	L&I PROVIDER NUMBER
130268	Other	WA	L&I PROVIDER NUMBER

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

Where does John Overbeck practice?

The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for John Overbeck?

The National Provider Identifier (NPI) for John Overbeck is 1700864261, a Type 1 (individual) record in the CMS NPPES registry.

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