Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carl Ruderman, DDS

Oral and Maxillofacial Surgery (Dentist) in Riverdale, MD · enumerated 2006.

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

National Provider Identifier

1922019330

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Registry record

Entity type Individual (Type 1)

Name Carl Ruderman

Credential DDS

Sex Male

Practice address 6309 Baltimore Avenue #202, Riverdale, MD, 20737

Phone (301) 864-6535

Fax (301) 864-8093

Enumeration date Aug 10, 2006

Last updated in NPPES Feb 26, 2020

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 6827 (MD) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

What is the NPI number for Carl Ruderman?

The National Provider Identifier (NPI) for Carl Ruderman is 1922019330, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carl Ruderman practice?

The practice location on file with NPPES is in Riverdale, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-02-26.