Quick answers
- Which hospitals does Roger Thomas work at?
- Medicare's official clinician data lists Roger Thomas at 3 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Orange Coast Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roger Thomas see patients?
- Medicare's clinician data lists 4 practice locations, including Newport Beach, CA, Irvine, CA and San Clemente, CA. Call before your visit to confirm the address.
- What is Roger Thomas's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Roger Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Roger Thomas 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 Roger Thomas?
- (949) 645-3534, as listed in official Medicare / NPI Registry data.
- What is Roger Thomas's NPI number?
- 1588608749. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roger Thomas works
Medicare's Facility Affiliation Data lists Roger Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · CCN 050678
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Roger Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hoag DrNewport Beach, CA 92663 (949) 645‑3534
- 16200 Sand Canyon AveIrvine, CA 92618 (949) 764‑4624
- 360 San Miguel Dr, Suite 105and106Newport Beach, CA 92660 (949) 365‑3534
- 993 Avenida Pico, Suite 110San Clemente, CA 92673 (949) 764‑5573
Group practices
Medicare enrollment lists Roger Thomas as a member of these groups (CMS data updated 2026-10-02).
- Newport Harbor Radiology Associates Medical Group Inc70 clinicians in the group
- Newport Center Radiology Associates Medical Group Inc59 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1970 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588608749 |
| 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