Willy Singh, D.O.
NPI 1265587075ActiveIndividual· Internal Medicine, Nephrology· Whittier, CA
Internal Medicine, Nephrology (D.O.) with Kidney Specialists Medical Corporation, practicing in Whittier, California. Their prescriptions cost Medicare Part D more than their services did: $292,508 for 1,087 claims, against $120,293 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $160.74 in all, mostly food and beverage. Lists Adventist Health White Memorial and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1265587075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Apr 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A11778 | CA |
| Internal Medicine, Nephrology | 207RN0300X | 5399 | AZ |
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 | 221 |
|---|---|
| Services billed | 1,219 across 11 procedure codes |
| Paid by Medicare | $120,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,087 · 1,929 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $292,508 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Kidney Specialists Medical CorporationMontebello, CA · 6 clinicians
Hospital affiliations
- Adventist Health White MemorialLos Angeles, CA
- Pih Health Downey HospitalDowney, CA
- Pih Health Hospital-WhittierWhittier, CA
- Whittier Hospital Medical CenterWhittier, CA
Other facilities
- Davita Bluff Rd DialysisDialysis facility · Montebello, CA
- Davita Kenneth Hahn Plaza Dialysis CenterDialysis facility · Los Angeles, CA
- Davita Whittier DialysisDialysis facility · Whittier, CA
- Kindred Hospital -- la MiradaLong-term care hospital · La Mirada, CA
Industry payments (Open Payments)
- 2025$160.74 · 3 payments from 2 companies
- 2024$179.44 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $124.34 | 1 |
| Akebia Therapeutics Inc | $36.40 | 2 |
What the 2025 payments were for
- Food and Beverage$160.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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