Adela Yniguez Ayala, RN, NP
NPI 1235116138ActiveIndividual· Nurse Practitioner· Fresno, CA
Nurse Practitioner (RN, NP) with The Nephrology Group Inc, practicing in Fresno, California. Their prescriptions cost Medicare Part D more than their services did: $128,167 for 609 claims, against $39,835 paid for services in 2024. Ardelyx, Inc. was the largest of 19 companies reporting payments in 2025, $2,732 in all, mostly food and beverage.
Overview
| NPI | 1235116138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, NP |
| Sole proprietor | No |
| NPI issued | Dec 30, 2005 |
| Last updated in NPPES | Apr 11, 2022 |
| Certified by provider | Apr 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 7335 | CA |
| Internal Medicine, Nephrology | 207RN0300X | 7335 | CA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 202 across 4 procedure codes |
| Paid by Medicare | $39,835 |
Part D prescriptions in 2024
| Prescriptions (claims) | 609 · 694 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $128,167 |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- The Nephrology Group IncFresno, CA · 51 clinicians
Industry payments (Open Payments)
- 2025$2,732 · 24 payments from 19 companies
- 2024$2,213 · 26 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $369.70 | 3 |
| Alnylam Pharmaceuticals Inc. | $283.44 | 2 |
| Abbvie Inc. | $249.57 | 2 |
| Madrigal Pharmaceuticals | $147.21 | 1 |
| Fresenius USA Marketing, Inc. | $144.33 | 2 |
What the 2025 payments were for
- Food and Beverage$2,732 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner providers in Fresno
- 1598933632
- 1447642145
- 1639038375
- 1689658478
- 1396086807
- 1841692449
- 1538264817
- 1285115360
- 1689849879
- 1083770788
- 1770564270
- 1285062505