Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Stafford Gay Warren, MD

Cardiovascular Disease Physician in Annapolis, MD · enumerated 2005.

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

National Provider Identifier

1821081126

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Registry record

Entity type Individual (Type 1)

Name Mr. Stafford Gay Warren

Credential MD

Sex Male

Practice address 888 Bestgate Rd, Suite 215, Annapolis, MD, 21401

Phone (410) 573-9805

Fax (410) 573-9806

Enumeration date Aug 23, 2005

Last updated in NPPES May 12, 2011

Taxonomy & licenses

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 10260 (WV) Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License D0067661 (MD) 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
417655300	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Stafford Warren?

The National Provider Identifier (NPI) for Stafford Warren is 1821081126, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stafford Warren practice?

The practice location on file with NPPES is in Annapolis, MD. 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 2011-05-12.