Quick answers
- Which hospitals does John F. Roller work at?
- Medicare's official clinician data lists John F. Roller at 2 hospitals: Banner - University Medical Center Phoenix and Banner Desert Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John F. Roller see patients?
- Medicare's clinician data lists 2 practice locations, including Phoenix, AZ and Mesa, AZ. Call before your visit to confirm the address.
- What is John F. Roller's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does John F. Roller accept Medicare assignment?
- Medicare's clinician data says John F. Roller may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does John F. Roller offer telehealth?
- Medicare's clinician data says John F. Roller offers telehealth services. Ask the office which visits can be done by video or phone.
- What is John F. Roller's NPI number?
- 1447607627. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John F. Roller works
Medicare's Facility Affiliation Data lists John F. Roller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · CCN 030002
- Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · CCN 030065
Practice locations
Addresses where John F. Roller is enrolled with Medicare (CMS data updated 2026-10-02).
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447607627 |
| 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