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Dr. Robert A.D. Gregory, D.C.

Dr. Robert A.D. Gregory is a Chiropractor provider (Chiropractor) practicing in Nanuet, NY, registered in the NPPES registry with NPI 1780752600 since 2006. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1780752600
Entity type Individual (Type 1)
Name Dr. Robert A.D. Gregory
Credential D.C.
Sex Male
Practice address Nanuet, NY, 10954
Phone 8456233939
Fax 8456245808
Enumeration date 2006-11-30
Last updated in NPPES 2016-03-16

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary X000136-1 NY

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier Type State Issuer
C00136-4 Other NY WORKER'S COMPENSATION
P643083 Other NY OXFORD
X0464 Other NY BLUE CROSS
Copy-ready billing details
Provider: Robert Gregory, D.C.
NPI: 1780752600
Taxonomy: 111N00000X (Chiropractor)
Address: Nanuet, NY, 10954

Other providers at this practice address

NPI Name Type Specialty Location
1922170729 Diane Hennessy Individual Nutritionist Nanuet, NY
1437222981 Richard Gregory Individual Chiropractor Nanuet, NY
1649327461 James Gregory Individual Chiropractor Nanuet, NY

Verify this record

Cross-check NPI 1780752600 against the authoritative CMS record: view Dr. Robert A.D. Gregory on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Robert Gregory?
The National Provider Identifier (NPI) for Robert Gregory is 1780752600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Gregory practice?
The practice location on file with NPPES is in Nanuet, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-03-16.