Quick answers
- Where does Robert P. Lum see patients?
- Medicare's clinician data lists 3 practice locations, including Oxnard, CA, Laguna Niguel, CA and Camarillo, CA. Call before your visit to confirm the address.
- What is Robert P. Lum's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Robert P. Lum accept Medicare assignment?
- Yes. Medicare's clinician data says Robert P. Lum 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 Robert P. Lum?
- (805) 485-2824, as listed in official Medicare / NPI Registry data.
- What is Robert P. Lum's NPI number?
- 1770589707. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert P. Lum is enrolled with Medicare (CMS data updated 2026-10-02).
- 1901 Holser Walk, Suite 305Oxnard, CA 93036 (805) 485‑2824
- 30201 Golden Lantern, Suite BLaguna Niguel, CA 92677 (949) 363‑1788
- 3615 Las Posas Rd, Suite 100Camarillo, CA 93010 (805) 484‑2813
Group practices
Medicare enrollment lists Robert P. Lum as a member of this group (CMS data updated 2026-10-02).
- J Robert West MD Inc138 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770589707 |
| 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
- 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