John N. Kersteff, M.D.
NPI 1942295936ActiveIndividual· Internal Medicine· Plainfield, IN
Internal Medicine (M.D.) in Plainfield, Indiana, trained at Indiana University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $899,668 for 13,188 claims, against $107,836 paid for services in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $51.43 in all, mostly food and beverage.
Overview
| NPI | 1942295936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 15, 2005 |
| Last updated in NPPES | Mar 5, 2021 |
| Certified by provider | Mar 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01046710A | IN |
| Pediatrics | 208000000X | 01046710A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 349 |
|---|---|
| Services billed | 1,484 across 33 procedure codes |
| Paid by Medicare | $107,836 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,188 · 31,638 30-day fills |
|---|---|
| Patients | 762 |
| Total drug cost | $899,668 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
Medical group
- Hendricks County HospitalAvon, IN · 340 clinicians
Hospital affiliations
- Ascension St Vincent HospitalIndianapolis, IN
- Franciscan Health MooresvilleMooresville, IN
- Hendricks Regional HealthDanville, IN
Other facilities
- Suburban Home Health LLCHome health agency · Noblesville, IN
Industry payments (Open Payments)
- 2025$51.43 · 2 payments from 2 companies
- 2024$82.49 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $32.63 | 1 |
| Lilly USA, LLC | $18.80 | 1 |
What the 2025 payments were for
- Food and Beverage$51.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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