1. Home
  2. Directory
  3. Washington
  4. Mercer Island
  5. Family Medicine
  6. NPI Profile

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

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: July 26, 2026.

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
Open in Google Maps ↗

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 with the weekly NPPES data releases published by CMS.