Quick answers
- Which hospitals does David R. Freyer work at?
- Medicare's official clinician data lists David R. Freyer at 1 hospital: Children's Hospital of Los Angeles. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David R. Freyer see patients?
- Medicare's clinician data lists 5 practice locations, including Los Angeles, CA. Call before your visit to confirm the address.
- What is David R. Freyer's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology/Oncology and Pediatric Medicine.
- Does David R. Freyer accept Medicare assignment?
- Yes. Medicare's clinician data says David R. Freyer 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.
- What is the phone number for David R. Freyer?
- (323) 442-2582, as listed in official Medicare / NPI Registry data.
- What is David R. Freyer's NPI number?
- 1578533865. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David R. Freyer works
Medicare's Facility Affiliation Data lists David R. Freyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Children's Hospital of Los AngelesLos Angeles, CA · Children's Hospital · CCN 053302
Practice locations
Addresses where David R. Freyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1441 Eastlake Ave, Suite 2424Los Angeles, CA 90089 (323) 442‑2582
- 1520 San Pablo StLos Angeles, CA 90033 (800) 872‑2273
- 1520 San Pablo St, Fl 4Los Angeles, CA 90033 (800) 872‑2273
- 1520 San Pablo St 1st Floor NLos Angeles, CA 90033 (800) 872‑2273
- 4650 W Sunset BlvdLos Angeles, CA 90027 (323) 361‑8408
Group practices
Medicare enrollment lists David R. Freyer as a member of these groups (CMS data updated 2026-10-02).
- USC Care Medical Group Inc1,380 clinicians in the group
- Childrens Hospital Los Angeles Medical Group Inc295 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematology/Oncologyalso
- Pediatric Medicinealso
Other oncologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578533865 |
| 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