John Denzin, MD
NPI 1013999713 · Orthopaedic Surgery Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Denzin, MD is a Orthopaedic Surgery Physician provider in Ypsilanti, MI (NPI 1013999713).
Provider details
- NPI number
- 1013999713
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301033966 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-17
- Last updated
- 2016-04-12
Frequently asked questions
- What is John Denzin's NPI number?
- John Denzin's National Provider Identifier (NPI) is 1013999713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Denzin's specialty?
- John Denzin is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Denzin located?
- John Denzin's practice location on file with NPPES is 5315 Elliott Dr, Ypsilanti, MI 48197-8634.
- What is John Denzin's phone number?
- The practice phone number listed in the NPPES registry for John Denzin is (734) 712-0655.
- Does John Denzin accept Medicare?
- John Denzin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Denzin's NPI active?
- Yes — John Denzin's NPI (1013999713) is active in the NPPES registry as of the last update on 2016-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.