Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carl Lederman, M.D.

Diagnostic Radiology Physician in Washington, DC · enumerated 2005.

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

National Provider Identifier

1043219660

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Registry record

Entity type Individual (Type 1)

Name Carl Lederman

Credential M.D.

Sex Male

Practice address 1150 Varnum St Ne, Washington, DC, 20017

Phone (202) 269-7000

Enumeration date Jul 15, 2005

Last updated in NPPES Nov 1, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD9179 (DC) Primary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License D0021603 (MD) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 0101028941 (VA) 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
7219881-1600124	Medicaid	VA	-

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 Carl Lederman?

The National Provider Identifier (NPI) for Carl Lederman is 1043219660, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carl Lederman 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 2007-11-01.