Harold V. Loewenstine, M.D.
NPI 1184628679ActiveIndividual· Internal Medicine, Gastroenterology· Montgomery, OH
Internal Medicine, Gastroenterology (M.D.) in Montgomery, Ohio, trained at Medical College of Ohio (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $276,656 for 2,315 claims, against $96,201 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 12 companies reporting payments in 2025, $711.57 in all, mostly food and beverage.
Overview
| NPI | 1184628679 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2005 |
| Last updated in NPPES | Aug 31, 2023 |
| Certified by provider | Aug 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35-057583 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 577 |
|---|---|
| Services billed | 1,070 across 33 procedure codes |
| Paid by Medicare | $96,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,315 · 3,559 30-day fills |
|---|---|
| Patients | 863 |
| Total drug cost | $276,656 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Trihealth H LLCCincinnati, OH · 850 clinicians
- Greater Cincinnati Digestive Health NetworkLebanon, OH · 14 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
Industry payments (Open Payments)
- 2025$711.57 · 44 payments from 12 companies
- 2024$357.04 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $248.28 | 13 |
| Abbvie Inc. | $191.52 | 15 |
| Olympus America Inc. | $86.79 | 5 |
| Daiichi Sankyo Inc. | $38.45 | 2 |
| Regeneron Healthcare Solutions, Inc. | $34.83 | 1 |
What the 2025 payments were for
- Food and Beverage$711.57 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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