Quick answers
- Which hospitals does James I. Ewing work at?
- Medicare's official clinician data lists James I. Ewing at 4 hospitals: Honor Health John C. Lincoln Medical Center, HonorHealth Scottsdale Osborn Medical Center, HonorHealth Scottsdale Shea Medical Center and HonorHealth Scottsdale Thompson Peak Med Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James I. Ewing see patients?
- Medicare's clinician data lists 7 practice locations, including Phoenix, AZ, Mesa, AZ and Glendale, AZ. Call before your visit to confirm the address.
- What is James I. Ewing's specialty?
- Medicare lists Medical Oncology as the primary specialty.
- Does James I. Ewing accept Medicare assignment?
- Yes. Medicare's clinician data says James I. Ewing 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.
- Does James I. Ewing offer telehealth?
- Medicare's clinician data says James I. Ewing offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James I. Ewing?
- (602) 494-6800, as listed in official Medicare / NPI Registry data.
- What is James I. Ewing's NPI number?
- 1689837601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James I. Ewing works
Medicare's Facility Affiliation Data lists James I. Ewing at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030014
- HonorHealth Scottsdale Osborn Medical CenterScottsdale, AZ · Acute Care Hospital · CCN 030038
- HonorHealth Scottsdale Shea Medical CenterScottsdale, AZ · Acute Care Hospital · CCN 030087
- HonorHealth Scottsdale Thompson Peak Med CtrScottsdale, AZ · Acute Care Hospital · CCN 030123
Practice locations
Addresses where James I. Ewing is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 11209 N Tatum Blvd, Suite 260Phoenix, AZ 85028 (602) 494‑6800
- 1432 S Dobson Rd, Suite 106Mesa, AZ 85202 (480) 969‑3637
- 5810 W Beverly LaneGlendale, AZ 85306 (623) 312‑3000
- 6111 E Arbor AveMesa, AZ 85206 (480) 981‑1326
- 685 S Dobson RdChandler, AZ 85224 (480) 821‑2838
Group practices
Medicare enrollment lists James I. Ewing as a member of this group (CMS data updated 2026-10-02).
- Ironwood Physicians PC116 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689837601 |
| 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