Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Jason Sherman, M.D.

Surgery Physician in La Jolla, CA · enumerated 2006.

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

National Provider Identifier

1134147812

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Registry record

Entity type Individual (Type 1)

Name Mark Jason Sherman

Credential M.D.

Sex Male

Practice address 9850 Genesee Ave, Suite 660, La Jolla, CA, 92037

Phone (858) 452-5054

Fax (858) 452-5097

Enumeration date Jul 18, 2006

Last updated in NPPES Sep 26, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License G69934 (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 Mark Sherman?

Mark Sherman is registered in NPPES with the primary taxonomy of 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 2007-09-26.