Quick answers
- Which hospitals does Diane M. Gronski work at?
- Medicare's official clinician data lists Diane M. Gronski at 3 hospitals: Abrazo Arrowhead Hospital, Banner Thunderbird Medical Center and Honor Health John C. Lincoln Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diane M. Gronski see patients?
- Medicare's clinician data lists 1 practice location in Glendale, AZ. Call before your visit to confirm the address.
- What is Diane M. Gronski's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Diane M. Gronski accept Medicare assignment?
- Yes. Medicare's clinician data says Diane M. Gronski 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 Diane M. Gronski?
- (623) 581-8998, as listed in official Medicare / NPI Registry data.
- What is Diane M. Gronski's NPI number?
- 1689624629. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diane M. Gronski works
Medicare's Facility Affiliation Data lists Diane M. Gronski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abrazo Arrowhead HospitalGlendale, AZ · Acute Care Hospital · CCN 030094
- Banner Thunderbird Medical CenterGlendale, AZ · Acute Care Hospital · CCN 030089
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030014
Practice locations
Addresses where Diane M. Gronski is enrolled with Medicare (CMS data updated 2026-10-02).
- 19875 N 51st AveGlendale, AZ 85308 (623) 581‑8998
Group practices
Medicare enrollment lists Diane M. Gronski as a member of this group (CMS data updated 2026-10-02).
- Sonoran Medical Centers12 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689624629 |
| 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