NPPES file of Aug 9, 2026

John Vollmer, PA-C

Physician Assistant · Saint Clair Shores, MI

John Vollmer, PA-C is a physician assistant with a practice address in Saint Clair Shores, Michigan, and NPI 1851117741, issued on Nov 25, 2024. Check the license (Michigan 5601013203, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851117741
Name
John Vollmer
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5601013203 MI
Self-reported in NPPES; status is on the state search
Practice location
20952 E 12 Mile RD Ste 200, Saint Clair Shores, MI 48081
Phone
(586) 771-4820
Enumerated
Nov 25, 2024
Record last updated
Feb 18, 2026
Fax
(586) 771-6620
Medicare enrollment
Enrolled (PECOS I20250626003107); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 20952 E 12 Mile RD Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carrie AndersonFamily Nurse Practitioner1033515036
  2. Mahdi Bazzi, MDUrology Physician1477113629
  3. Robert Elgin, D.O.Urology Physician1053674101
  4. Jacob Jewell, FNP-CFamily Nurse Practitioner1902419104
  5. Gabriela Mazur, DOUrology Physician1962085639
  6. Emily Oshnock, PA-CPhysician Assistant1407269822

Verify John Vollmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5601013203
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Michigan Institute OF Urology PCMacomb, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Vollmer among 6,989 physician assistant records in Michigan

John Vollmer, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 86% of them.

  • NPI issued2024 · 86% of these records are older, 9% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2025 · median 2017 among the 4,739 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 physician assistant records list a practice address in Saint Clair Shores

They are 28 of the 1,255 NPPES records with a practice address in Saint Clair Shores, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Eva Abiragi, PA-CSaint Clair Shores, MI 480811265090799
  2. Amanda Basil-Porter, PA-CSaint Clair Shores, MI 480811528441854
  3. Mary Grace Bauer, PA-CSaint Clair Shores, MI 480811831688308
  4. Shawndelin Brunsman, P.A.-CSaint Clair Shores, MI 480811063789014
  5. Mary Christensen, PASaint Clair Shores, MI 480811841412293
  6. Alison Hobson, PA-CSaint Clair Shores, MI 480811548457666
  7. Nancy Kominiarek, PASaint Clair Shores, MI 480811629024666
  8. Chelsea Lehmann, PA-CSaint Clair Shores, MI 480811093242786

Common questions

What is John Vollmer, PA-C's NPI number?

John Vollmer, PA-C's National Provider Identifier (NPI) is 1851117741, issued on Nov 25, 2024. An NPI identifies a provider in billing; it is not a license.

Where is John Vollmer, PA-C located?

The NPPES record lists a practice address at 20952 E 12 Mile RD Ste 200, Saint Clair Shores, MI, 48081. Phone: (586) 771-4820. Providers update this record themselves, so call before visiting.

How can I verify John Vollmer, PA-C's license?

NPPES lists Michigan license number 5601013203, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.