Quick answers
- Which hospitals does Brian S. Johnston work at?
- Medicare's official clinician data lists Brian S. Johnston at 2 hospitals: Banner Gateway Medical Center and Banner Thunderbird Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian S. Johnston see patients?
- Medicare's clinician data lists 4 practice locations, including Casa Grande, AZ, Gilbert, AZ and Glendale, AZ. Call before your visit to confirm the address.
- What is Brian S. Johnston's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Brian S. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Brian S. Johnston 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 Brian S. Johnston?
- (480) 610-7400, as listed in official Medicare / NPI Registry data.
- What is Brian S. Johnston's NPI number?
- 1639142847. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian S. Johnston works
Medicare's Facility Affiliation Data lists Brian S. Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner Gateway Medical CenterGilbert, AZ · Acute Care Hospital · CCN 030122
- Banner Thunderbird Medical CenterGlendale, AZ · Acute Care Hospital · CCN 030089
Practice locations
Addresses where Brian S. Johnston is enrolled with Medicare (CMS data updated 2026-10-02).
- 1828 E Florence Blvd, Suite 118 and 128Casa Grande, AZ 85122 (480) 610‑7400
- 1900 N Higley RdGilbert, AZ 85234 (480) 453‑2034
- 5605 W Eugie Ave, Suite 110Glendale, AZ 85304 (480) 610‑7400
- 807 S Ponderosa StPayson, AZ 85541 (928) 471‑3222
Group practices
Medicare enrollment lists Brian S. Johnston as a member of these groups (CMS data updated 2026-10-02).
- Banner Hospital Based Physicians Arizona LLC637 clinicians in the group
- Banner Cancer Center Specialists LLC344 clinicians in the group
- Banner Imaging Services LLC122 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Casa Grande
Clinicians with the same Medicare primary specialty in Casa Grande, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639142847 |
| 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