Quick answers
- Which hospitals does Daniel G. Gridley work at?
- Medicare's official clinician data lists Daniel G. Gridley at 1 hospital: Valleywise Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel G. Gridley see patients?
- Medicare's clinician data lists 3 practice locations, including Phoenix, AZ. Call before your visit to confirm the address.
- What is Daniel G. Gridley's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Daniel G. Gridley accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel G. Gridley 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 Daniel G. Gridley?
- (602) 344-5011, as listed in official Medicare / NPI Registry data.
- What is Daniel G. Gridley's NPI number?
- 1194821975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel G. Gridley works
Medicare's Facility Affiliation Data lists Daniel G. Gridley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valleywise Health Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030022
Practice locations
Addresses where Daniel G. Gridley is enrolled with Medicare (CMS data updated 2026-10-02).
- 2601 E Roosevelt StPhoenix, AZ 85008 (602) 344‑5011
- 3141 N 3rd AvePhoenix, AZ 85013 (602) 914‑1520
- 3141 N 3rd Ave, Suite 100Phoenix, AZ 85013 (602) 914‑1583
Group practices
Medicare enrollment lists Daniel G. Gridley as a member of this group (CMS data updated 2026-10-02).
- District Medical Group Inc458 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194821975 |
| 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