Dr. John David Denzin, MD
- Medicare services, 2023
- 484
- Part D claims, 2023
- 127
- Industry payments
- $67
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 1200 Earhart Road, Ann Arbor, MI 48105
- Practice phone
- Call (734) 769-0177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Glacier Hills Life Plan Community
Skilled Nursing Facility - Part of a CCRC · Ann Arbor, Michigan
Find Dr. Denzin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John David Denzin is an orthopedic surgeon in Ann Arbor, Michigan
Dr. Denzin practices at Glacier Hills Life Plan Community in Ann Arbor, Michigan.
Dr. Denzin's NPI, 1013999713, was assigned on November 17, 2005. Dr. Denzin graduated from University of Michigan Medical School in 1973. Dr. Denzin holds Michigan license 4301033966.
- NPI
- 1013999713NPI Registry (opens in a new tab)
- NPI enumeration date
- November 17, 2005
- NPI status
- Active
- Practice phone
- (734) 769-0177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John David Denzin practices at 2 locations in Ann Arbor, Michigan
Dr. Denzin's primary practice is Glacier Hills Life Plan Community, at 1200 Earhart Road, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 769-0177. The NPI Registry lists Dr. Denzin's practice address as 5301 E Huron River Dr, Ann Arbor, MI 48105.
- Glacier Hills Life Plan CommunityPrimary1200 Earhart Road, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 769-0177
- NPI Registry address5301 E Huron River Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-0655
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John David Denzin is affiliated with 3 sites of care and 3 medical groups
Dr. Denzin's primary practice is Glacier Hills Life Plan Community in Ann Arbor, Michigan. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Denzin to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John David Denzin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Denzin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Glacier Hills Life Plan Community | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John David Denzin is one of 823 orthopedic surgeons in Michigan
Orthopaedic surgery is Dr. Denzin's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Denzin is licensed in Michigan.
Specialties and state licenses
- Orthopaedic surgery, MichiganPrimary
Orthopedic surgeons near Dr. Denzin
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John David Denzin billed Medicare for 484 services in 2023
CMS data shows 484 Medicare services from Dr. Denzin across 8 procedure codes in 2023. Medicare paid $19,934 for them. Every service was in an office.
Dr. Denzin's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3192023: 17645%
- Drugs given in the office
- 2022: 2812023: 10862%
- Imaging
- 2022: 2072023: 10549%
- Surgery
- 2022: 1892023: 9550%
Dr. Denzin compared with the Michigan median for orthopedic surgeons, 2023
- Dr. Denzin
- Michigan median
- Medicare services
- 484vs 5237% below
- Part D claims
- 127vs 8059% above
Medians across 781 orthopedic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Denzin's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Denzin and other orthopedic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John David Denzin's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Denzin's median patient age at 64, with 62% women.
Dr. Denzin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. John David Denzin wrote 127 Medicare Part D claims in 2023
In 2023, Dr. Denzin wrote 127 Medicare Part D claims. They cover 5 drugs, with $287 in total drug cost. In 2022, CMS named 194 claims across 6 drugs.
Dr. Denzin's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1942023: 12735%
Drugs named by CMS: 5 in 2023, 6 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John David Denzin received $67 in industry payments in 2016
CMS Open Payments shows 4 general payments to Dr. Denzin from 4 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $21.
Companies that paid Dr. Denzin the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John David Denzin graduated from University of Michigan Medical School
Dr. Denzin graduated from University of Michigan Medical School in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John David Denzin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John David Denzin
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What is Dr. John David Denzin's NPI number?
Dr. John David Denzin's NPI number is 1013999713. It was assigned on November 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John David Denzin?
Dr. John David Denzin is an orthopedic surgeon in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John David Denzin practice?
Dr. Denzin practices at 1200 Earhart Road, Ann Arbor, MI 48105. Dr. Denzin also practices at 5301 E Huron River Dr, Ann Arbor, MI 48105. Dr. Denzin's primary practice is Glacier Hills Life Plan Community in Ann Arbor, Michigan. Dmand AI also links Dr. Denzin to 2 group practices and clinics and 2 medical groups.
What is Dr. John David Denzin's office phone number?
The practice phone on file for Dr. Denzin is (734) 769-0177.
What is Dr. John David Denzin's medical license number?
Dr. Denzin holds Michigan license 4301033966.
What medical group is Dr. John David Denzin part of?
Dr. Denzin is linked to Trinity Health IHA Medical Group. Dmand AI links Dr. Denzin to 2 more medical groups.
Does Dr. John David Denzin accept Medicare?
Yes. CMS data shows Dr. Denzin billed Medicare for 484 services in 2023.
What services does Dr. John David Denzin bill to Medicare?
In 2023, Dr. Denzin's most billed Medicare services were injected or infused drug (J1040), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. John David Denzin go to medical school?
Dr. Denzin graduated from University of Michigan Medical School in 1973.
What drugs does Dr. John David Denzin prescribe most?
In 2023 Medicare Part D data, Dr. Denzin's most prescribed drugs by claims were Amoxicillin, Oxycodone HCl and Tramadol HCl.
Has Dr. John David Denzin received payments from drug or device companies?
CMS Open Payments shows $67 in general payments to Dr. Denzin from 4 companies from 2016 to 2016. The largest total came from Bioventus LLC.
How long has Dr. John David Denzin been practicing?
Dr. Denzin graduated from medical school in 1973, 53 years ago.
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