Amin Parhizgar, M.D.
NPI 1184881625ActiveIndividual· Internal Medicine, Nephrology· San Angelo, TX
Internal Medicine, Nephrology (M.D.) with Shannon Clinic, practicing in San Angelo, Texas. 467 Medicare patients in 2024, $244,806 paid; nearly all of their 1,202 Part D prescriptions were generic (93%). Bayer Healthcare Pharmaceuticals Inc. was the largest of 13 companies reporting payments in 2025, $620.94 in all, mostly food and beverage. Lists Ballinger Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1184881625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2008 |
| Last updated in NPPES | Dec 22, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | P6886 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 467 |
|---|---|
| Services billed | 2,377 across 54 procedure codes |
| Paid by Medicare | $244,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,202 · 3,063 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $142,693 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Shannon ClinicSan Angelo, TX · 559 clinicians
Hospital affiliations
- Ballinger Memorial HospitalBallinger, TX
- Heart of Texas Memorial HospitalBrady, TX
- Lillian M Hudspeth Memorial HospitalSonora, TX
- Reagan Memorial HospitalBig Lake, TX
- Shannon Medical CenterSan Angelo, TX
Other facilities
- Fkc Red ArroyoDialysis facility · San Angelo, TX
- Fresenius Kidney Care San AngeloDialysis facility · San Angelo, TX
Industry payments (Open Payments)
- 2025$620.94 · 28 payments from 13 companies
- 2024$600.55 · 22 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $108.49 | 5 |
| Travere Therapeutics, Inc. | $104.20 | 5 |
| Calliditas Therapeutics US Inc. | $70.24 | 3 |
| Novartis Pharmaceuticals Corporation | $61.63 | 2 |
| Otsuka America Pharmaceutical, Inc. | $57.60 | 2 |
What the 2025 payments were for
- Food and Beverage$620.94 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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