NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Curtis, MD, MPH, MA

Family Medicine Physician in Washington, DC · enumerated 2019.

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

National Provider Identifier

1790340388

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alexander Curtis
Credential MD, MPH, MA
Sex Male
Practice address 1901 E St Se, Washington, DC, 20003
Phone (202) 790-6601
Enumeration date May 8, 2019
Last updated in NPPES Aug 27, 2026

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD210002639 (DC) Primary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License C1-0028739 (DE) Secondary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License D0100843 (MD) Secondary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101275629 (VA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify Alexander Curtis's NPI record?
Cross-check NPI 1790340388 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1790340388 active?
Yes, as of the latest NPPES snapshot, NPI 1790340388 is active (record last updated 2026-08-27).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-27.