Prasanna Isaac, M.D.
NPI 1881899276ActiveIndividual· Internal Medicine, Nephrology· Fort Wayne, IN
Internal Medicine, Nephrology (M.D.) with Nephrology Associates of Northern Indiana PC, practicing in Fort Wayne, Indiana. Their prescriptions cost Medicare Part D more than their services did: $458,800 for 2,113 claims, against $179,872 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 9 companies reporting payments in 2025, $331.47 in all, mostly food and beverage. Lists Dupont Hospital LLC and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1881899276 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 18, 2007 |
| Last updated in NPPES | Aug 15, 2024 |
| Certified by provider | Aug 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 01067936A | IN |
| Internal Medicine, Nephrology | 207RN0300X | 35.095468 | 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 - Nephrology (IN); Practitioner - Nephrology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 413 |
|---|---|
| Services billed | 1,820 across 34 procedure codes |
| Paid by Medicare | $179,872 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,113 · 4,957 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $458,800 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates of Northern Indiana PCVan Wert, OH · 65 clinicians
Hospital affiliations
- Dupont Hospital LLCFort Wayne, IN
- Lutheran Hospital of IndianaFort Wayne, IN
- Parkview Dekalb HospitalAuburn, IN
- Parkview Huntington HospitalHuntington, IN
- Parkview Regional Medical CenterFort Wayne, IN
Other facilities
- Davita Fort Wayne West DialysisDialysis facility · Fort Wayne, IN
- Davita Summit City DialysisDialysis facility · Fort Wayne, IN
- Fmc - DefianceDialysis facility · Defiance, OH
- Fmc - Dekalb County DialysisDialysis facility · Auburn, IN
- Fmc - Dupont DialysisDialysis facility · Fort Wayne, IN
Industry payments (Open Payments)
- 2025$331.47 · 17 payments from 9 companies
- 2024$571.58 · 37 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $56.52 | 2 |
| Astrazeneca Pharmaceuticals LP | $54.94 | 3 |
| Amgen Inc. | $51.21 | 3 |
| Opko Pharmaceuticals, LLC | $47.81 | 3 |
| Fresenius USA Marketing, Inc. | $41.18 | 2 |
What the 2025 payments were for
- Food and Beverage$283.66 · 14 payments
- Education$47.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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