Quick answers
- Which hospitals does Lee S. Rosen work at?
- Medicare's official clinician data lists Lee S. Rosen at 2 hospitals: Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Medical Center & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lee S. Rosen see patients?
- Medicare's clinician data lists 2 practice locations, including Encino, CA and Santa Monica, CA. Call before your visit to confirm the address.
- What is Lee S. Rosen's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Pain Management.
- Does Lee S. Rosen accept Medicare assignment?
- Yes. Medicare's clinician data says Lee S. Rosen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Lee S. Rosen offer telehealth?
- Medicare's clinician data says Lee S. Rosen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lee S. Rosen?
- (310) 570-1467, as listed in official Medicare / NPI Registry data.
- What is Lee S. Rosen's NPI number?
- 1346295870. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lee S. Rosen works
Medicare's Facility Affiliation Data lists Lee S. Rosen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · CCN 050112
Practice locations
Addresses where Lee S. Rosen is enrolled with Medicare (CMS data updated 2026-10-02).
- 15503 Ventura Blvd, Suite 150Encino, CA 91436 (310) 570‑1467
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
Group practices
Medicare enrollment lists Lee S. Rosen as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
- Pain Managementalso
Other hematologist-oncologists in Encino
Clinicians with the same Medicare primary specialty in Encino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1346295870 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians