John Hergenrother, M.D.
NPI 1073557500ActiveIndividual· Internal Medicine, Nephrology· Cincinnati, OH
Internal Medicine, Nephrology (M.D.) in Cincinnati, Ohio, trained at Northeastern Ohio University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $229,075 for 1,831 claims, against $86,893 paid for services in 2024. Aurinia Pharma U.S., Inc. was the largest of 2 companies reporting payments in 2025, $27.02 in all, mostly food and beverage.
Overview
| NPI | 1073557500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Nov 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 35-07-5061 | OH |
| Internal Medicine, Nephrology | 207RN0300X | 37649 | KY |
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 - Nephrology (KY); Practitioner - Nephrology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,250 across 20 procedure codes |
| Paid by Medicare | $86,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,831 · 4,212 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $229,075 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
Medical group
- Kidney and Hypertension Center IncCincinnati, OH · 48 clinicians
Hospital affiliations
- Christ HospitalCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
- Margaret Mary Community Hospital IncBatesville, IN
- Mercy Health - West HospitalCincinnati, OH
- St Elizabeth EdgewoodEdgewood, KY
Other facilities
- Davita Harrison DialysisDialysis facility · Harrison, OH
- Davita Silverton DialysisDialysis facility · Cincinnati, OH
- Davita White Oak Home Training DialysisDialysis facility · Cincinnati, OH
Industry payments (Open Payments)
- 2025$27.02 · 2 payments from 2 companies
- 2024$198.83 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $24.47 | 1 |
| Travere Therapeutics, Inc. | $2.55 | 1 |
What the 2025 payments were for
- Food and Beverage$24.47 · 1 payment
- Education$2.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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