Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allen Maurice Friedman, M.D.

Internal Medicine Physician in Baltimore, MD · enumerated 2006.

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

National Provider Identifier

1861458192

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Registry record

Entity type Individual (Type 1)

Name Allen Maurice Friedman

Credential M.D.

Sex Male

Practice address 711 W 40th St, Suite 212-A, Baltimore, MD, 21211

Phone (410) 366-1838

Enumeration date Apr 25, 2006

Last updated in NPPES Apr 7, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D24888 (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
329021200	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 Allen Friedman?

The National Provider Identifier (NPI) for Allen Friedman is 1861458192, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allen Friedman practice?

The practice location on file with NPPES is in Baltimore, 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 2016-04-07.