Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Peter Chen, MD

Emergency Medicine Physician in Travis Afb, CA · enumerated 2008.

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

National Provider Identifier

1558510248

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Registry record

Entity type Individual (Type 1)

Name Peter Chen

Credential MD

Sex Male

Practice address Travis Afb, CA, 94535

Phone (707) 423-3735

Enumeration date Sep 17, 2008

Last updated in NPPES May 29, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License D0072607 (MD) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 0101246777 (VA) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 247654 (NY) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A126358 (CA) Primary

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

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 specialty is Peter Chen?

Peter Chen is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-29.