Nanette Chua Fonte, M.D.
NPI 1962732974ActiveIndividual· Internal Medicine, Nephrology· Lancaster, CA
Internal Medicine, Nephrology (M.D.) with Antelope Valley Nephrology Medical Group Inc, practicing in Lancaster, California. Their prescriptions cost Medicare Part D more than their services did: $532,785 for 1,762 claims, against $122,766 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $318.03 in all, mostly food and beverage. Lists Antelope Valley Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1962732974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2010 |
| Last updated in NPPES | Aug 18, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A111173 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 1,152 across 17 procedure codes |
| Paid by Medicare | $122,766 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,762 · 3,593 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $532,785 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Antelope Valley Nephrology Medical Group IncLancaster, CA · 4 clinicians
Hospital affiliations
- Antelope Valley HospitalLancaster, CA
- Palmdale Regional Medical CenterPalmdale, CA
- Ridgecrest Regional HospitalRidgecrest, CA
Other facilities
- Davita Antelope Valley Home TrainingDialysis facility · Lancaster, CA
- Davita Antelope Valley DialysisDialysis facility · Lancaster, CA
- Davita Palmdale Fifth Street DialysisDialysis facility · Palmdale, CA
- Davita Palmdale Regional DialysisDialysis facility · Palmdale, CA
- Srs-Ridgecrest DialysisDialysis facility · Ridgecrest, CA
Industry payments (Open Payments)
- 2025$318.03 · 13 payments from 9 companies
- 2024$606.10 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $71.07 | 3 |
| Akebia Therapeutics Inc | $55.71 | 2 |
| Calliditas Therapeutics US Inc. | $39.21 | 2 |
| Amgen Inc. | $29.20 | 1 |
| Cormedix Inc. | $28.21 | 1 |
What the 2025 payments were for
- Food and Beverage$318.03 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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