Leonid Mironovich Shamban, D.O.
NPI 1225398431ActiveIndividual· Internal Medicine, Gastroenterology· Saint Clair Shores, MI
Internal Medicine, Gastroenterology (D.O.) in Saint Clair Shores, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $3,129,246 for 1,112 claims, against $230,417 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $3,860 in all, mostly food and beverage.
Overview
| NPI | 1225398431 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 22, 2012 |
| Last updated in NPPES | Sep 22, 2025 |
| Certified by provider | Sep 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5101019763 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 383 |
|---|---|
| Services billed | 9,518 across 46 procedure codes |
| Paid by Medicare | $230,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,112 · 1,919 30-day fills |
|---|---|
| Patients | 312 |
| Total drug cost | $3,129,246 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Henry Ford Health Providence HospitalNovi, MI · 375 clinicians
- Gi Medical Assoc PCMacomb, MI · 11 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Henry Ford Health HospitalDetroit, MI
- Henry Ford Health St John HospitalDetroit, MI
- Henry Ford Health Warren HospitalWarren, MI
Industry payments (Open Payments)
- 2025$3,860 · 153 payments from 21 companies
- 2024$3,172 · 137 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,080 | 36 |
| Janssen Biotech, Inc. | $746.65 | 26 |
| Takeda Pharmaceuticals U.S.A., Inc. | $343.35 | 13 |
| Lilly USA, LLC | $235.53 | 11 |
| Regeneron Healthcare Solutions, Inc. | $207.46 | 10 |
What the 2025 payments were for
- Food and Beverage$3,694 · 151 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$166.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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