John Vollmer, PA-C
- Industry payments
- $290
- Affiliated sites
- 1
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 20952 12 Mile Rd, Saint Clair Shores, MI 48081
- Practice phone
- Call (586) 771-4820
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Michigan Institute of Urology
Saint Clair Shores, Michigan
Find John Vollmer'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.
John Vollmer is a physician assistant in Saint Clair Shores, Michigan
John Vollmer practices at Michigan Institute of Urology in Saint Clair Shores, Michigan.
John Vollmer's NPI, 1851117741, was assigned on November 25, 2024. John Vollmer holds Michigan license 5601013203.
- NPI
- 1851117741NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173035854
- NPI enumeration date
- November 25, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (586) 771-4820
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John Vollmer practices at Michigan Institute of Urology in Saint Clair Shores, Michigan
John Vollmer's primary practice is Michigan Institute of Urology, at 20952 12 Mile Rd, Saint Clair Shores, MI 48081 in Macomb County. The practice phone is (586) 771-4820.
- Michigan Institute of Urology20952 12 Mile Rd, Saint Clair Shores, MI 48081 · Macomb CountyPhone(586) 771-4820
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Vollmer is affiliated with 2 sites of care and 4 medical groups
John Vollmer's primary practice is Michigan Institute of Urology in Saint Clair Shores, Michigan. The medical group on file is Michigan Institute of Urology. Dmand AI also links John Vollmer to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Vollmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Vollmer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michigan Institute of Urology | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John Vollmer is one of 5,857 physician assistants in Michigan
Physician assistant is John Vollmer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Vollmer is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near John Vollmer
Counts of physician assistants 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
John Vollmer's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts John Vollmer's median patient age at 74, with 35% women.
John Vollmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
How John Vollmer takes part in Medicare
John Vollmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
John Vollmer received $290 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Vollmer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bioprotect Medical, Inc. paid the most, $165.
Companies that paid John Vollmer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Vollmer'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 John Vollmer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Vollmer's NPI number?
John Vollmer's NPI number is 1851117741. It was assigned on November 25, 2024, and it is active in the NPI Registry.
What does John Vollmer specialize in?
John Vollmer is a physician assistant in Saint Clair Shores, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Vollmer practice?
John Vollmer practices at 20952 12 Mile Rd, Saint Clair Shores, MI 48081. John Vollmer's primary practice is Michigan Institute of Urology in Saint Clair Shores, Michigan. Dmand AI also links John Vollmer to 3 medical groups and 1 group practice or clinic.
What is John Vollmer's office phone number?
The practice phone on file for John Vollmer is (586) 771-4820.
What is John Vollmer's medical license number?
John Vollmer holds Michigan license 5601013203.
What medical group is John Vollmer part of?
John Vollmer is linked to Michigan Institute of Urology. Dmand AI links John Vollmer to 3 more medical groups.
Does John Vollmer accept Medicare?
Yes. CMS lists John Vollmer as accepting Medicare assignment.
Has John Vollmer received payments from drug or device companies?
CMS Open Payments shows $290 in general payments to John Vollmer from 2 companies from 2025 to 2025. The largest total came from Bioprotect Medical, Inc.
How long has John Vollmer been practicing?
John Vollmer graduated from medical school in 2025, 1 years ago.
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