James Richard Berenson, M.D.
NPI 1124051560ActiveIndividual· Specialist, Research Study· West Hollywood, CA
Specialist, Research Study (M.D.) in West Hollywood, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $10,922,025 for 1,975 claims, against $1,262,932 paid for services in 2024. Karyopharm Therapeutics Inc. was the largest of 17 companies reporting payments in 2025, $49,921 in all, mostly speaking and faculty fees. Lists Cedars-Sinai Medical Center as a hospital affiliation.
Overview
| NPI | 1124051560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 9, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist, Research Study Primary | 1744R1102X | G42018 | CA |
| Specialist | 174400000X | G42018 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 160,327 across 64 procedure codes |
| Paid by Medicare | $1,262,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,975 · 2,534 30-day fills |
|---|---|
| Patients | 111 |
| Total drug cost | $10,922,025 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$49,921 · 113 payments from 17 companies
- 2024$49,492 · 84 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Karyopharm Therapeutics Inc. | $17,846 | 25 |
| Janssen Biotech, Inc. | $15,655 | 26 |
| Genzyme Corporation | $9,913 | 20 |
| Pfizer Inc. | $2,334 | 10 |
| Aadi Bioscience, Inc. | $1,700 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20,504 · 6 payments
- Honoraria$15,500 · 4 payments
- Consulting Fee$8,223 · 6 payments
- Food and Beverage$3,680 · 79 payments
- Travel and Lodging$1,814 · 16 payments
- Education$199.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records