Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John David Denzin, MD

Orthopaedic Surgery Physician in Ypsilanti, MI · enumerated 2005.

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

National Provider Identifier

1013999713

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Registry record

Entity type Individual (Type 1)

Name John David Denzin

Credential MD

Sex Male

Practice address 5315 Elliott Dr, Suite 304, Ypsilanti, MI, 48197

Phone (734) 712-0655

Fax (734) 712-0611

Enumeration date Nov 17, 2005

Last updated in NPPES Apr 12, 2016

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 4301033966 (MI) 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
4774280	Medicaid	MI	-
2008154942	Other	MI	BLUE CROSS BLUE SHIELD
101582	Other	MI	CARE CHOICES

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 John Denzin?

John Denzin 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.

Other providers at this practice address

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Robert Young Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1760483010 Brian Borden Sports Medicine (Orthopaedic Surgery) Physician · Ypsilanti, MI NPI 1083615488 David Janda Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1255332607 Donald Wild Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1598766883 Ann Arbor Orthopaedic Specialists,P.C. Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1871574269 Thomas O'Keefe Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1730161811 Dean Schueller Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1497737589 Ann Arbor Bone & Joint Surgery, P.C. Orthopaedic Surgery Physician · Ypsilanti, MI NPI 1467412577

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-12.