Nasim Wiegley, M.D.
NPI 1992090815ActiveIndividual· Internal Medicine, Nephrology· Sacramento, CA
Internal Medicine, Nephrology (M.D.) with Regents of the Univ of Ca and 1 other group, practicing in Sacramento, California. Their prescriptions cost Medicare Part D more than their services did: $389,542 for 945 claims, against $117,088 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 4 companies reporting payments in 2025, $2,617 in all, mostly consulting fees. Lists University of California Davis Medical Center as a hospital affiliation.
Overview
| NPI | 1992090815 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2011 |
| Last updated in NPPES | Nov 17, 2025 |
| Certified by provider | Nov 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A134869 | 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 | 315 |
|---|---|
| Services billed | 1,208 across 25 procedure codes |
| Paid by Medicare | $117,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 945 · 1,801 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $389,542 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
- Regents of the University of CaliforniaSacramento, CA · 567 clinicians
Hospital affiliation
- University of California Davis Medical CenterSacramento, CA
Other facilities
- Dci Rancho Dialysis ClinicDialysis facility · Sacramento, CA
- Southgate DialysisDialysis facility · Sacramento, CA
Industry payments (Open Payments)
- 2025$2,617 · 9 payments from 4 companies
- 2024$12,356 · 27 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $2,072 | 2 |
| Novartis Pharmaceuticals Corporation | $311.59 | 3 |
| Aurinia Pharma U.S., Inc. | $142.31 | 2 |
| Nxstage Medical, Inc. | $91.73 | 2 |
What the 2025 payments were for
- Consulting Fee$2,000 · 1 payment
- Food and Beverage$546.35 · 7 payments
- Education$71.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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