DR. JOHN CLEVE PETERSON III M.D., M.P.H.
NPI 1023111002
Family Medicine - Adult Medicine in Mercer Island, WA

Q: What is John Peterson's NPI number?

The NPI number for John Peterson is 1023111002. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Q: What is John Peterson's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Q: When was this NPI record last updated?

The NPPES record for John Peterson was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 06, 2006

7030 N MERCER WAY, MERCER ISLAND, WA 98040(206) 232-7669(206) 232-7679 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. John Cleve Peterson Iii M.d., M.p.h. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN CLEVE PETERSON III M.D., M.P.H. (NPI 1023111002) is an individual adult medicine provider in Mercer Island, Washington, licensed in Washington (11059) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1023111002

Entity TypeIndividualMale

Primary Taxonomy207QA0505X

Provider Legal NameDR. JOHN CLEVE PETERSON IIICredential: M.D., M.P.H.

Location Address7030 N MERCER WAYMercer Island, WA 98040-2130

Mailing Address7030 N Mercer WayMercer Island, WA 98040-2130 · (206) 232-7669 · Fax (206) 232-7679

Phone(206) 232-7669

Fax(206) 232-7679

Sole ProprietorYes

Enumeration DateSeptember 6, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1023111002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QA0505X

License✔ Licensed in WA · 11059

Definition

The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.

Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License 11059 (WA)

7030 N MERCER WAY, Mercer Island, WA 98040

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Peterson's NPI number?

The NPI number for John Peterson is 1023111002. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is John Peterson located?

John Peterson practices at 7030 N Mercer Way, Mercer Island, WA 98040. The listed phone number is (206) 232-7669.

What is John Peterson's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

When was this NPI record last updated?

The NPPES record for John Peterson was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.