Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen E Abbott, MD

Infectious Disease Physician in Washington, DC · enumerated 2007.

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

National Provider Identifier

1437280450

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen E Abbott

Credential MD

Sex Male

Practice address 1525 14th St Nw, Washington, DC, 20005

Phone (202) 745-7000

Enumeration date Mar 8, 2007

Last updated in NPPES Nov 14, 2018

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License MD037500 (DC) 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
024905300	Medicaid	DC	-

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 Stephen Abbott?

The National Provider Identifier (NPI) for Stephen Abbott is 1437280450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Abbott practice?

The practice location on file with NPPES is in Washington, DC. 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 2018-11-14.