NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David P Rudman, M.D.

Orthopaedic Surgery Physician in Ridgewood, NJ · enumerated 2006.

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

National Provider Identifier

1821026709

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Registry record

Entity type Individual (Type 1)
Name David P Rudman
Credential M.D.
Sex Male
Practice address 1124 E Ridgewood Ave, 201 T, Ridgewood, NJ, 07450
Fax (201) 447-8935
Enumeration date Jun 29, 2006
Last updated in NPPES Apr 11, 2012

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 25MA07771200 (NJ) 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
085565TGP Other NJ PTAN

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

Is NPI 1821026709 active?
Yes, as of the latest NPPES snapshot, NPI 1821026709 is active (record last updated 2012-04-11).
How do I verify David Rudman's NPI record?
Cross-check NPI 1821026709 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-11.