Keith L. Klein, M.D.,
NPI 1982688040ActiveIndividual· Internal Medicine, Nephrology· Beverly Hills, CA
Internal Medicine, Nephrology (M.D.,) in Beverly Hills, California, trained at University of Southern California Keck School of Medicine (class of 1971). Their prescriptions cost Medicare Part D more than their services did: $421,659 for 2,381 claims, against $123,812 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 14 companies reporting payments in 2025, $1,024 in all, mostly food and beverage.
Overview
| NPI | 1982688040 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., |
| Sole proprietor | Yes |
| NPI issued | Dec 2, 2005 |
| Last updated in NPPES | Feb 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G22950 | 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 | 231 |
|---|---|
| Services billed | 1,384 across 31 procedure codes |
| Paid by Medicare | $123,812 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,381 · 5,072 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $421,659 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1971 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Other facilities
- Arden Home HealthHome health agency · Glendale, CA
Industry payments (Open Payments)
- 2025$1,024 · 42 payments from 14 companies
- 2024$3,660 · 56 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $159.12 | 6 |
| Amgen Inc. | $154.19 | 8 |
| Astrazeneca Pharmaceuticals LP | $145.57 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $109.99 | 4 |
| Lilly USA, LLC | $69.13 | 3 |
What the 2025 payments were for
- Food and Beverage$1,024 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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