Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Gwenervere Louise Flagg, M.D.

General Practice Physician in Los Angeles, CA · enumerated 2006.

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

National Provider Identifier

1548216674

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Registry record

Entity type Individual (Type 1)

Name Ms. Gwenervere Louise Flagg

Credential M.D.

Sex Female

Practice address 231 W Vernon Ave, Suite 204, Los Angeles, CA, 90037

Phone (323) 234-9595

Fax (323) 234-9588

Enumeration date May 26, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License G42472 (CA) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License G42472 (CA) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License G42472 (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
00G424720	Medicaid	CA	-

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 Gwenervere Flagg?

Gwenervere Flagg 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 2025-09-11.