Ashok Nath, M.D.,
NPI 1992951115ActiveIndividual· Internal Medicine, Nephrology· San Bernardino, CA
Internal Medicine, Nephrology (M.D.,) with Nephrology Associates Medical Group Inc, practicing in San Bernardino, California. Their prescriptions cost Medicare Part D more than their services did: $654,207 for 2,404 claims, against $182,349 paid for services in 2024. Ardelyx, Inc. was the largest of 17 companies reporting payments in 2025, $1,010 in all, mostly food and beverage. Lists Community Hospital of San Bernardino and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992951115 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., |
| Sole proprietor | No |
| NPI issued | Aug 8, 2008 |
| Last updated in NPPES | Aug 11, 2021 |
| Certified by provider | Aug 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A128657 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 373 |
|---|---|
| Services billed | 1,698 across 31 procedure codes |
| Paid by Medicare | $182,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,404 · 4,711 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $654,207 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates Medical Group IncTemecula, CA · 64 clinicians
Hospital affiliations
- Community Hospital of San BernardinoSan Bernardino, CA
- Mountains Community HospitalLake Arrowhead, CA
- Redlands Community HospitalRedlands, CA
- San Gorgonio Memorial HospitalBanning, CA
- St Bernardine Medical CenterSan Bernardino, CA
Other facilities
- Davita Diamond Valley Dialysis CenterDialysis facility · San Jacinto, CA
- Davita Redlands DialysisDialysis facility · Redlands, CA
- Davita San Bernardino Home TrainingDialysis facility · San Bernardino, CA
- Davita Serrano DialysisDialysis facility · San Bernardino, CA
Industry payments (Open Payments)
- 2025$1,010 · 46 payments from 17 companies
- 2024$1,688 · 67 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $252.05 | 14 |
| Akebia Therapeutics Inc | $159.38 | 5 |
| Astrazeneca Pharmaceuticals LP | $92.11 | 4 |
| Travere Therapeutics, Inc. | $85.85 | 3 |
| Ani Pharmaceuticals, Inc. | $84.39 | 4 |
What the 2025 payments were for
- Food and Beverage$1,010 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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