Alonso R. Diaz, M. D.
NPI 1992169171ActiveIndividual· Internal Medicine, Nephrology· Bridgeville, PA
Internal Medicine, Nephrology (M. D.) with Teredesai McCann and Associates PC, practicing in Bridgeville, Pennsylvania. In 2024 Medicare paid $148,545 for 484 patients, and Part D covered 1,041 of their prescriptions, 81% of them generic. Novartis Pharmaceuticals Corporation reported $40.14 in payments in 2025, mostly food and beverage. Lists Canonsburg General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992169171 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2016 |
| Last updated in NPPES | Aug 16, 2023 |
| Certified by provider | Aug 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD473697 | PA |
| Internal Medicine, Nephrology | 207RN0300X | 1992169171 | 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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 1,488 across 15 procedure codes |
| Paid by Medicare | $148,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,041 · 2,252 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $184,647 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Teredesai McCann and Associates PCBridgeville, PA · 13 clinicians
Hospital affiliations
- Canonsburg General HospitalCanonsburg, PA
- Heritage Valley BeaverBeaver, PA
- Heritage Valley SewickleySewickley, PA
- St Clair HospitalPittsburgh, PA
- Washington Hospital, theWashington, PA
Other facilities
- Fkc CranberryDialysis facility · Cranberry Township, PA
- Fkc Liberty Dialysis BadenDialysis facility · Baden, PA
- Canonsburg General HospitalInpatient rehabilitation facility · Canonsburg, PA
- Encompass Health Rehabilitation Hosp of SewickleyInpatient rehabilitation facility · Sewickley, PA
Industry payments (Open Payments)
- 2025$40.14 · 2 payments from 1 company
- 2024$44.80 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $40.14 | 2 |
What the 2025 payments were for
- Food and Beverage$40.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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