NPI Portal NPI Lookup & Verification

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

Gary Lewis Neifeld, MD

Emergency Medicine Physician in Poughkeepsie, NY · enumerated 2006.

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

National Provider Identifier

1427004522

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Gary Lewis Neifeld
Credential MD
Sex Male
Practice address Poughkeepsie, NY, 12601
Fax (845) 485-3730
Enumeration date May 26, 2006
Last updated in NPPES Jul 16, 2007

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

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 166019 (NY) 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
1050Q1 Other NY EMPIRE BLUE
372575 Other NY MVP

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 Gary Neifeld?
The National Provider Identifier (NPI) for Gary Neifeld is 1427004522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gary Neifeld practice?
The practice location on file with NPPES is in Poughkeepsie, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-16.