Stuart Friedman, M.D.
NPI 1679585715ActiveIndividual· Internal Medicine, Nephrology· Los Angeles, CA
Internal Medicine, Nephrology (M.D.) in Los Angeles, California, trained at New York Medical College (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $770,909 for 4,917 claims, against $407,519 paid for services in 2024. Ardelyx, Inc. reported $22.04 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679585715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Aug 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G35132 | 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 | 573 |
|---|---|
| Services billed | 8,933 across 36 procedure codes |
| Paid by Medicare | $407,519 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,917 · 10,441 30-day fills |
|---|---|
| Patients | 478 |
| Total drug cost | $770,909 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliations
- Cedar-Sinai Marina del Rey HospitalMarina Del Rey, CA
- Cedars-Sinai Medical CenterLos Angeles, CA
Other facilities
- Davita Beverlywood DialysisDialysis facility · Los Angeles, CA
- Davita Century City Dialysis CenterDialysis facility · Los Angeles, CA
- Usrc Beverly HillsDialysis facility · Beverly Hills, CA
- Usrc Westside DialysisDialysis facility · Los Angeles, CA
- Epic Homecare IncHome health agency · Los Angeles, CA
Industry payments (Open Payments)
- 2025$22.04 · 1 payment from 1 company
- 2024$643.87 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $22.04 | 1 |
What the 2025 payments were for
- Food and Beverage$22.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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