John Kevin Heifner, M.D.
NPI 1588666895ActiveIndividual· Internal Medicine, Nephrology· Little Rock, AR
Internal Medicine, Nephrology (M.D.) in Little Rock, Arkansas, trained at University of Tennessee, Hsc, College of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $524,628 for 2,378 claims, against $189,998 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 6 companies reporting payments in 2025, $211.14 in all, mostly food and beverage.
Overview
| NPI | 1588666895 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2005 |
| Last updated in NPPES | May 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | E2566 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 511 |
|---|---|
| Services billed | 2,180 across 19 procedure codes |
| Paid by Medicare | $189,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,378 · 3,631 30-day fills |
|---|---|
| Patients | 273 |
| Total drug cost | $524,628 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Nephrology |
Medical group
- Renal ConsultantsLittle Rock, AR · 6 clinicians
Hospital affiliations
- Baptist Health Medical Center-Drew CountyMonticello, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Chi-St Vincent InfirmaryLittle Rock, AR
- Dewitt Hospital & Nursing Home, IncDe Witt, AR
Other facilities
- Fmcna - BentonDialysis facility · Benton, AR
- Fmcna - East Little RockDialysis facility · Little Rock, AR
- Fmcna - Little Rock DialysisDialysis facility · Little Rock, AR
- Fmcna - Stuttgart DialysisDialysis facility · Stuttgart, AR
Industry payments (Open Payments)
- 2025$211.14 · 13 payments from 6 companies
- 2024$125.16 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $71.59 | 3 |
| Vifor Pharma, Inc. | $41.29 | 2 |
| Nxstage Medical, Inc. | $39.62 | 2 |
| Astrazeneca Pharmaceuticals LP | $29.63 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $23.31 | 1 |
What the 2025 payments were for
- Food and Beverage$205.44 · 10 payments
- Education$5.70 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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