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Ann I Ma, MD

Gastroenterology Physician in Leesburg, VA · enumerated 2006.

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

National Provider Identifier

1043318942

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Registry record

Entity type Individual (Type 1)
Name Ann I Ma
Credential MD
Sex Female
Practice address 224d Cornwall St Nw, Suite 207, Leesburg, VA, 20176
Phone (703) 771-9001
Fax (703) 771-9076
Enumeration date Sep 21, 2006
Last updated in NPPES Oct 3, 2013

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 0101051491 (VA) Primary
207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 00037326 (MD) Secondary
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
203435 Other VA ANTHEM BCBS
247336 Other - UNITED HEALTHCARE MAMSI

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.

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Frequently asked questions

What is the NPI number for Ann Ma?
The National Provider Identifier (NPI) for Ann Ma is 1043318942, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Ma practice?
The practice location on file with NPPES is in Leesburg, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-03.