Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Leonard Alan Waldman, D.M.D.

Oral and Maxillofacial Surgery (Dentist) in Nashua, NH · enumerated 2006 · practices at Leonard A Waldman, Dmd, PA.

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

National Provider Identifier

1619088408

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Registry record

Entity type Individual (Type 1)

Name Dr. Leonard Alan Waldman

Credential D.M.D.

Sex Male

Practice address Nashua, NH, 03063

Phone (603) 889-8400

Enumeration date Aug 31, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 1431 (NH) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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.

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Frequently asked questions

What is the NPI number for Leonard Waldman?

The National Provider Identifier (NPI) for Leonard Waldman is 1619088408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leonard Waldman practice?

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

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Leonard A Waldman, Dmd, PA Oral and Maxillofacial Surgery (Dentist) · Nashua, NH NPI 1669648432

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.