Quick answers
- Which hospitals does Ruth L. Polan work at?
- Medicare's official clinician data lists Ruth L. Polan at 1 hospital: Los Robles Hospital & Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruth L. Polan see patients?
- Medicare's clinician data lists 3 practice locations, including Thousand Oaks, CA and Simi Valley, CA. Call before your visit to confirm the address.
- What is Ruth L. Polan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Ruth L. Polan accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth L. Polan 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 Ruth L. Polan?
- (805) 796-7755, as listed in official Medicare / NPI Registry data.
- What is Ruth L. Polan's NPI number?
- 1629048350. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruth L. Polan works
Medicare's Facility Affiliation Data lists Ruth L. Polan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · CCN 050549
Practice locations
Addresses where Ruth L. Polan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2180 Lynn RdThousand Oaks, CA 91360 (805) 796‑7755
- 227 W Janss Rd, Suite 150Thousand Oaks, CA 91360 (805) 496‑7755
- 3421 Deep Waters CtSimi Valley, CA 93065 (855) 504‑4544
Group practices
Medicare enrollment lists Ruth L. Polan as a member of these groups (CMS data updated 2026-10-02).
- West Valley Radiology Medical Group Inc43 clinicians in the group
- Thousand Oaks Diagnostic Imaging Center11 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1976 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629048350 |
| 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