John Vollmer, M.D.
NPI 1932113628 · Family Medicine Physician · Roseville, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Vollmer, M.D. is a Family Medicine Physician provider in Roseville, MI (NPI 1932113628).
Provider details
- NPI number
- 1932113628
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301046289 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
256 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $119 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 43 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 28 | $8 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 27 | $115 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 101 | 32 |
| Losartan Potassium | 63 | 19 |
| Atorvastatin Calcium | 61 | 24 |
| Lisinopril | 56 | 18 |
| Metoprolol Succinate | 38 | 12 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$746 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2023-03-07
- Certified
- 2020-10-23
Frequently asked questions
- What is John Vollmer's NPI number?
- John Vollmer's National Provider Identifier (NPI) is 1932113628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vollmer's specialty?
- John Vollmer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Vollmer located?
- John Vollmer's practice location on file with NPPES is 30695 Little Mack Ave Ste 200, Roseville, MI 48066-1781.
- What is John Vollmer's phone number?
- The practice phone number listed in the NPPES registry for John Vollmer is (586) 294-9600.
- Does John Vollmer accept Medicare?
- John Vollmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Vollmer's NPI active?
- Yes — John Vollmer's NPI (1932113628) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.