Maria Carmela Nazareno Rosales, M.D.
NPI 1780706762ActiveIndividual· Internal Medicine, Nephrology· San Jose, CA
Internal Medicine, Nephrology (M.D.) with County of Santa Clara, practicing in San Jose, California. Their prescriptions cost Medicare Part D more than their services did: $201,562 for 1,131 claims, against $82,063 paid for services in 2024. Lists Santa Clara Valley Medical Center as a hospital affiliation.
Overview
| NPI | 1780706762 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2007 |
| Last updated in NPPES | Jul 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 54935 | 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 | 145 |
|---|---|
| Services billed | 605 across 16 procedure codes |
| Paid by Medicare | $82,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,131 · 2,077 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $201,562 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliation
- Santa Clara Valley Medical CenterSan Jose, CA
Other facilities
- Santa Clara Valley Renal Care CenterDialysis facility · San Jose, CA
- Shc East San JoseDialysis facility · San Jose, CA
- Shc EvergreenDialysis facility · San Jose, CA
- Shc San Jose LLCDialysis facility · San Jose, CA
- Shc Stevens CreekDialysis facility · San Jose, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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