Fritz-Henry Volmar, MD
NPI 1447351077ActiveIndividual· Internal Medicine, Gastroenterology· Peoria, IL
Internal Medicine, Gastroenterology (MD) with Osf Multi-Specialty Group, practicing in Peoria, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,093,506 for 1,512 claims, against $104,390 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $350.03 in all, mostly food and beverage. Lists Osf Saint Luke Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1447351077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 26, 2006 |
| Last updated in NPPES | Sep 3, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 48094 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 602 |
|---|---|
| Services billed | 1,216 across 54 procedure codes |
| Paid by Medicare | $104,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,512 · 2,399 30-day fills |
|---|---|
| Patients | 581 |
| Total drug cost | $1,093,506 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
Hospital affiliations
- Osf Saint Luke Medical CenterKewanee, IL
- Saint Francis Medical CenterPeoria, IL
- St Mary Medical CenterGalesburg, IL
Industry payments (Open Payments)
- 2025$350.03 · 4 payments from 3 companies
- 2024$317.15 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $170.10 | 2 |
| Genzyme Corporation | $111.84 | 1 |
| Janssen Biotech, Inc. | $68.09 | 1 |
What the 2025 payments were for
- Food and Beverage$350.03 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 gastroenterologists in Peoria · All gastroenterologists in Illinois