Neysha Janice Sanchez Rivera, M.D.
NPI 1629481569ActiveIndividual· Internal Medicine, Nephrology· Fresno, CA
Internal Medicine, Nephrology (M.D.) with The Nephrology Group Inc, practicing in Fresno, California. Their prescriptions cost Medicare Part D more than their services did: $707,754 for 2,389 claims, against $202,955 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $672.78 in all, mostly food and beverage. Lists Adventist Health Hanford and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1629481569 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2014 |
| Last updated in NPPES | Jun 1, 2021 |
| Certified by provider | Jun 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A148887 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 731 |
|---|---|
| Services billed | 17,044 across 67 procedure codes |
| Paid by Medicare | $202,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,389 · 5,738 30-day fills |
|---|---|
| Patients | 468 |
| Total drug cost | $707,754 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- The Nephrology Group IncFresno, CA · 51 clinicians
Hospital affiliations
- Adventist Health HanfordHanford, CA
- Adventist Health ReedleyReedley, CA
- Clovis Community Medical CenterClovis, CA
- Community Regional Medical CenterFresno, CA
- Saint Agnes Medical CenterFresno, CA
Other facilities
- Community Dialysis CenterDialysis facility · Fresno, CA
- Davita Fresno North Ht at HomeDialysis facility · Fresno, CA
- Fmc ClovisDialysis facility · Clovis, CA
- Fresenius Medical Care Fresno Airport EastDialysis facility · Fresno, CA
- Kerman Dialysis Center, LLCDialysis facility · Kerman, CA
Industry payments (Open Payments)
- 2025$672.78 · 33 payments from 13 companies
- 2024$923.61 · 44 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $124.42 | 7 |
| Travere Therapeutics, Inc. | $99.52 | 5 |
| Calliditas Therapeutics US Inc. | $96.27 | 4 |
| Akebia Therapeutics Inc | $65.69 | 3 |
| Novartis Pharmaceuticals Corporation | $60.05 | 3 |
What the 2025 payments were for
- Food and Beverage$672.78 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Fresno
- 1417369810
- 1083705925
- 1205906229
- 1629600416
- 1063618296
- 1669685251
- 1558339630
- 1922388537
- 1811319197
- 1487107819
- 1093361479
- 1124513312