Charles William Oberer III, MD
NPI 1477870178ActiveIndividual· Internal Medicine, Gastroenterology· Dayton, OH
Internal Medicine, Gastroenterology (MD) in Dayton, Ohio, trained at Loma Linda University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $135,623 for 407 claims, against $51,669 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $382.35 in all, mostly food and beverage.
Overview
| NPI | 1477870178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 21, 2010 |
| Last updated in NPPES | Jan 7, 2021 |
| Certified by provider | Jan 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35.132296 | OH |
| Internal Medicine | 207R00000X | A111602 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | A111602 | CA |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 558 across 43 procedure codes |
| Paid by Medicare | $51,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 407 · 662 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $135,623 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
Medical group
- Trihealth H LLCCincinnati, OH · 850 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Trihealth Clinton Regional HospitalWilmington, OH
Industry payments (Open Payments)
- 2025$382.35 · 17 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $90.13 | 4 |
| Madrigal Pharmaceuticals | $83.45 | 4 |
| Medtronic, Inc. | $79.56 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $50.30 | 3 |
| Janssen Biotech, Inc. | $45.69 | 2 |
What the 2025 payments were for
- Food and Beverage$382.35 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 gastroenterologists in Dayton · All gastroenterologists in Ohio