Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Peter Dennis Nehring, M.D.

Internal Medicine Physician in Everett, WA · enumerated 2006 · practices at Optum Care Washington Pllc.

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

National Provider Identifier

1235173246

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Registry record

Entity type Individual (Type 1)

Name Dr. Peter Dennis Nehring

Credential M.D.

Sex Male

Practice address 4027 Hoyt Ave, Everett, WA, 98201

Phone (425) 339-5489

Enumeration date Jun 16, 2006

Last updated in NPPES Jun 11, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 027740 (CT) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD00072474 (WA) 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
MD00060072474	Other	WA	LICENSE

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

What is the NPI number for Peter Nehring?

The National Provider Identifier (NPI) for Peter Nehring is 1235173246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Peter Nehring practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-11.