Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Davis, M.D.

Gynecology Physician in Fairfax, VA · enumerated 2006 · practices at Drs. Davis & Hafner PC.

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

National Provider Identifier

1447266572

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Registry record

Entity type Individual (Type 1)

Name Margaret Davis

Credential M.D.

Sex Female

Practice address 8550 Arlington Blvd, #201, Fairfax, VA, 22031

Phone (703) 698-2066

Enumeration date Jul 31, 2006

Last updated in NPPES Sep 25, 2007

Taxonomy & licenses

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians · License 0101029978 (VA) 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
0101029978	Other	VA	LICENCE NUMBER

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 Margaret Davis?

Margaret Davis is registered in NPPES with the primary taxonomy of Gynecology 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 2007-09-25.