Quick answers
- Which hospitals does Robert A. Acquarelli work at?
- Medicare's official clinician data lists Robert A. Acquarelli at 3 hospitals: Adventist Health Simi Valley, Adventist Health Sonora and Saint Agnes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert A. Acquarelli see patients?
- Medicare's clinician data lists 8 practice locations, including Glendale, CA, Fresno, CA and Simi Valley, CA. Call before your visit to confirm the address.
- What is Robert A. Acquarelli's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Robert A. Acquarelli accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. Acquarelli 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 A. Acquarelli?
- (818) 863-4099, as listed in official Medicare / NPI Registry data.
- What is Robert A. Acquarelli's NPI number?
- 1477502300. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert A. Acquarelli works
Medicare's Facility Affiliation Data lists Robert A. Acquarelli at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Adventist Health SonoraSonora, CA · Acute Care Hospital · CCN 050335
- Saint Agnes Medical CenterFresno, CA · Acute Care Hospital · CCN 050093
Practice locations
Addresses where Robert A. Acquarelli is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1500 E Chevy Chase Dr, Suite 201Glendale, CA 91206 (818) 863‑4099
- 1509 Wilson TerGlendale, CA 91206 (818) 409‑8000
- 1510 E Herndon Ave, Suite 110Fresno, CA 93720 (559) 450‑6742
- 2619 Deerwood AveSimi Valley, CA 93065 (209) 536‑3452
- 2750 Sycamore DrSimi Valley, CA 93065 (855) 504‑4544
Group practices
Medicare enrollment lists Robert A. Acquarelli as a member of these groups (CMS data updated 2026-10-02).
- Saint Agnes Medical Foundation161 clinicians in the group
- Glendale Adventist Medical Center103 clinicians in the group
- Jason L Hwang MD Inc53 clinicians in the group
- West Valley Radiology Medical Group Inc43 clinicians in the group
- Simi Valley Hospital and Health Care Services23 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Glendale
Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477502300 |
| 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