John Lee Weippert, D.O.
NPI 1780903518ActiveIndividual· Internal Medicine· Warren, OH
Internal Medicine (D.O.) in Warren, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,110,393 for 3,101 claims, against $57,393 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,632 in all, mostly food and beverage.
Overview
| NPI | 1780903518 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 18, 2010 |
| Last updated in NPPES | Jun 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 34.009801 | OH |
| Internal Medicine, Gastroenterology | 207RG0100X | 34.009801 | OH |
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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 325 |
|---|---|
| Services billed | 666 across 32 procedure codes |
| Paid by Medicare | $57,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,101 · 4,207 30-day fills |
|---|---|
| Patients | 686 |
| Total drug cost | $1,110,393 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- The Gastroenterology Clinic and Endoscopy Center IncWarren, OH · 36 clinicians
Hospital affiliations
- Hmhp St Elizabeth Boardman Health CenterBoardman, OH
- Mh St Elizabeth Youngstown HospitalYoungstown, OH
- Mh St Joseph Warren HospitalWarren, OH
- Surgical Hospital at SouthwoodsYoungstown, OH
Industry payments (Open Payments)
- 2025$2,632 · 162 payments from 20 companies
- 2024$2,952 · 176 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,138 | 77 |
| Takeda Pharmaceuticals U.S.A., Inc. | $402.40 | 22 |
| Janssen Biotech, Inc. | $219.64 | 14 |
| Aimmune Therapeutics, Inc. | $139.25 | 9 |
| Phathom Pharmaceuticals, Inc. | $106.52 | 7 |
What the 2025 payments were for
- Food and Beverage$2,621 · 161 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 internal medicine physicians in Warren · All internal medicine physicians in Ohio