Quick answers
- Where does Robert S. Sitarz see patients?
- Medicare's clinician data lists 33 practice locations, including Encino, CA, Simi Valley, CA and Oxnard, CA. Call before your visit to confirm the address.
- What is Robert S. Sitarz's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Robert S. Sitarz accept Medicare assignment?
- Yes. Medicare's clinician data says Robert S. Sitarz 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 S. Sitarz?
- (818) 933-2020, as listed in official Medicare / NPI Registry data.
- What is Robert S. Sitarz's NPI number?
- 1831307677. 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 S. Sitarz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 33; the Medicare profile lists all.
- 16130 Ventura Blvd, Suite 100Encino, CA 91436 (818) 933‑2020
- 1687 Erringer Rd, Suite 210Simi Valley, CA 93065 (805) 527‑4674
- 1700 N Rose Ave, Suite 110Oxnard, CA 93030 (585) 218‑8007
- 18523 Corwin Rd, Suite JApple Valley, CA 92307 (760) 242‑4444
- 1901 N Rice AveOxnard, CA 93030 (805) 983‑4838
Group practices
Medicare enrollment lists Robert S. Sitarz as a member of these groups (CMS data updated 2026-10-02).
- Beverly Radiology Medical Group III328 clinicians in the group
- Desert Advanced Imaging Medical Center208 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Encino
Clinicians with the same Medicare primary specialty in Encino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831307677 |
| 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