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

Brenda Ann Marshall, MD

General Practice Physician in San Diego, CA · enumerated 2007.

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

National Provider Identifier

1407979842

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Registry record

Entity type Individual (Type 1)

Name Brenda Ann Marshall

Credential MD

Sex Female

Practice address San Diego, CA, 92130

Phone (858) 663-7699

Fax (858) 764-2405

Enumeration date Apr 9, 2007

Last updated in NPPES Nov 22, 2019

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G75014 (CA) Secondary

207QA0505X Adult Medicine Physician Allopathic & Osteopathic Physicians · License G75014 (CA) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License G75014 (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 Brenda Marshall?

Brenda Marshall is registered in NPPES with the primary taxonomy of General Practice 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 2019-11-22.