Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Robert L. Cristofaro, MD and John M Nelson, MD,PC

Orthopaedic Surgery Physician in Purchase, NY · enumerated 2008 · authorized official Robert Cristofaro, President.

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

National Provider Identifier

1043498447

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Registry record

Entity type Organization (Type 2)

Legal business name Robert L. Cristofaro, MD and John M Nelson, MD,PC

Practice address 3010 Westchester Ave, Suite 104, Purchase, NY, 10577

Phone (914) 967-8708

Fax (914) 967-5834

Enumeration date Feb 7, 2008

Last updated in NPPES Sep 3, 2013

Taxonomy & classification

174400000X Specialist Other Service Providers · License 112796 (NY) Secondary

174400000X Specialist Other Service Providers · License 150073 (NY) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 150073 (NY) Primary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 112796 (NY) Secondary

207XP3100X Pediatric Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 150073 (NY) Secondary

207XP3100X Pediatric Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 112796 (NY) Secondary

207XP3100X Pediatric Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 028526 (CT) Secondary

207XP3100X Pediatric Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 028357 (CT) Secondary

Authorized official

Name Robert Cristofaro

Title President

Phone (914) 967-8708

Other identifiers

Identifier	Type	State	Issuer
00347411	Medicaid	NY	-
00970338	Medicaid	NY	-

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

Who is the authorized official for Robert L. Cristofaro, MD and John M Nelson, MD,PC?

NPPES lists Robert Cristofaro (President) as the authorized official for this organization.

What is the NPI number for Robert L. Cristofaro, MD and John M Nelson, MD,PC?

The NPI for Robert L. Cristofaro, MD and John M Nelson, MD,PC is 1043498447, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-03.