James W. Dimitroff, MD
NPI 1376632018ActiveIndividual· Internal Medicine, Gastroenterology· Saint Peters, MO
Internal Medicine, Gastroenterology (MD) in Saint Peters, Missouri, trained at Southern Illinois University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $586,496 for 1,532 claims, against $343,562 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,165 in all, mostly food and beverage.
Overview
| NPI | 1376632018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Sep 17, 2025 |
| Certified by provider | Sep 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 105556 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 474 |
|---|---|
| Services billed | 14,900 across 64 procedure codes |
| Paid by Medicare | $343,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,532 · 3,108 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $586,496 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
Medical group
- Physician Groups LcFarmington, MO · 521 clinicians
Hospital affiliations
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Progress West HospitalOfallon, MO
Industry payments (Open Payments)
- 2025$1,165 · 70 payments from 16 companies
- 2024$3,415 · 162 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $235.73 | 17 |
| Takeda Pharmaceuticals U.S.A., Inc. | $205.13 | 14 |
| Janssen Biotech, Inc. | $113.09 | 6 |
| Madrigal Pharmaceuticals | $104.42 | 6 |
| Aimmune Therapeutics, Inc. | $64.47 | 4 |
What the 2025 payments were for
- Food and Beverage$1,165 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Saint Peters
- 1801988639
- 1720374176
- 1033431796
- 1801909684
- 1457747859
- 1255339560
- 1265430516
- 1518329770
All Internal Medicine, Gastroenterology providers in Missouri →