Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew Toon Lee, D.O.

Internal Medicine Physician in Washington, DC · enumerated 2005.

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

National Provider Identifier

1972591550

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Registry record

Entity type Individual (Type 1)

Name Dr. Andrew Toon Lee

Credential D.O.

Sex Male

Practice address 1400 I St Nw Ste 825, Washington, DC, 20005

Phone (202) 617-2160

Enumeration date Oct 8, 2005

Last updated in NPPES May 29, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0102050256 (VA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License DO31453 (DC) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
71050002	Other	-	BLUECROSS/BLUE SHIELD
7929081	Other	-	AETNA HEALTHCARE
027140900	Medicaid	DC	-
500134	Other	-	NCPPO
337638	Other	VA	ANTHEM BC/BS
337639	Other	DC	ANTHEM BC/BS
5861152	Medicaid	VA	-
773600200	Medicaid	MD	-

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

How do I verify Andrew Lee's NPI record?

Cross-check NPI 1972591550 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1972591550 active?

Yes, as of the latest NPPES snapshot, NPI 1972591550 is active (record last updated 2018-05-29).

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Cynthia Lee Bernard Cardiovascular Disease Physician · Washington, DC NPI 1437327095 Katherine Fradeneck Family Medicine Physician · Washington, DC NPI 1992329221

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-29.