Kenneth S. Kleinman, M.D.
NPI 1689605941ActiveIndividual· Specialist· Tarzana, CA
Specialist (M.D.) in Tarzana, California, trained at University of Southern California Keck School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $885,049 for 4,512 claims, against $165,453 paid for services in 2024. Viatris Specialty LLC was the largest of 14 companies reporting payments in 2025, $449.60 in all, mostly food and beverage.
Overview
| NPI | 1689605941 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Nov 27, 2024 |
| Certified by provider | Nov 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G50719 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 3,014 across 81 procedure codes |
| Paid by Medicare | $165,453 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,512 · 8,789 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $885,049 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Hospital affiliations
- Northridge Hospital Medical CenterNorthridge, CA
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
Other facilities
- Davita South Valley DialysisDialysis facility · Encino, CA
- Arden Home HealthHome health agency · Glendale, CA
- Stat Home Health, IncHome health agency · Northridge, CA
Industry payments (Open Payments)
- 2025$449.60 · 22 payments from 14 companies
- 2024$702.71 · 32 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $77.00 | 5 |
| Merck Sharp & Dohme LLC | $48.34 | 2 |
| Astrazeneca Pharmaceuticals LP | $46.51 | 2 |
| Esperion Therapeutics, Inc. | $44.05 | 2 |
| Glaxosmithkline, LLC. | $32.42 | 1 |
What the 2025 payments were for
- Food and Beverage$449.60 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Tarzana
- 1124103619
- 1174546493
- 1255313458
- 1417995622
- 1497779508
- 1497782387
- 1821032202
- 1912955980
- 1700947058
- 1740461466
- 1013300631
- 1063585214
All 57 Specialist providers in Tarzana · All Specialist providers in California