Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Charles Grimm, M.D.

Orthopaedic Surgery Physician in Canandaigua, NY · enumerated 2006.

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

National Provider Identifier

1538101407

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Registry record

Entity type Individual (Type 1)

Name Dr. David Charles Grimm

Credential M.D.

Sex Male

Practice address 229 Parrish St, Suite 100, Canandaigua, NY, 14424

Phone (585) 394-1960

Fax (585) 393-9232

Enumeration date Jun 12, 2006

Last updated in NPPES Jun 28, 2010

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 196161 (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
7073233	Other	NY	AETNA
101522CU	Other	NY	PREFERRED CARE
01827467	Medicaid	NY	-
918780001	Other	NY	HEALTHNOW
010196161	Other	NY	EXCELLUS ROCHESTER
0599066	Other	NY	GHI

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 Grimm?

David Grimm is registered in NPPES with the primary taxonomy of 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 2010-06-28.