NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Nathan Feldman, M.D.

Adult Reconstructive Orthopaedic Surgery Physician in Englewood, NJ · enumerated 2006.

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

National Provider Identifier

1982667317

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Registry record

Entity type Individual (Type 1)
Name Dr. David Nathan Feldman
Credential M.D.
Sex Male
Practice address 25 Rockwood Pl, 4th Floor, Englewood, NJ, 07631
Fax (201) 567-4039
Enumeration date Apr 7, 2006
Last updated in NPPES Feb 3, 2016

Taxonomy & licenses

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MA055066 (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
2K8149 Other NJ HEALTHNET #
611274900 Other NJ US DEPARTMENT OF LABOR#
3829752 Other NJ AETNA HMO#
BS458 Other NJ OXFORD #
0962503 Medicaid NJ -
626G01 Other NJ EMPIRE BCBS #
P00248411 Other NJ RAILROAD MEDICARE #
0598652 Other NJ GHI PPO#
4200283 Other NJ AETNA PPO#

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

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is David Feldman?
David Feldman is registered in NPPES with the primary taxonomy of Adult Reconstructive Orthopaedic Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-03.