Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jason London, M.D.

Trauma Surgery Physician in Sacramento, CA · enumerated 2005.

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

National Provider Identifier

1952384968

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Registry record

Entity type Individual (Type 1)

Name Dr. Jason London

Credential M.D.

Sex Male

Practice address 2315 Stockton Blvd, Department of Surgery, Sacramento, CA, 95817

Phone (916) 734-7250

Fax (916) 734-7755

Enumeration date Nov 22, 2005

Last updated in NPPES Jan 10, 2022

Taxonomy & licenses

2086S0127X Trauma Surgery Physician Allopathic & Osteopathic Physicians · License 00A674580 (CA) Primary

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
00A674580	Other	-	MEDI-CAL

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 Jason London?

Jason London is registered in NPPES with the primary taxonomy of Trauma Surgery 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 2022-01-10.