Quick answers
- Which hospitals does Claude Frey work at?
- Medicare's official clinician data lists Claude Frey at 2 hospitals: Mercy Medical Center and St Joseph's Medical Center of Stockton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Claude Frey see patients?
- Medicare's clinician data lists 3 practice locations, including Stockton, CA, Redding, CA and Scottsdale, AZ. Call before your visit to confirm the address.
- What is Claude Frey's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Claude Frey accept Medicare assignment?
- Yes. Medicare's clinician data says Claude Frey 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 Claude Frey?
- (209) 943-2000, as listed in official Medicare / NPI Registry data.
- What is Claude Frey's NPI number?
- 1215995246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Claude Frey works
Medicare's Facility Affiliation Data lists Claude Frey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterMerced, CA · Acute Care Hospital · CCN 050444
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · CCN 050084
Practice locations
Addresses where Claude Frey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 N California StStockton, CA 95204 (209) 943‑2000
- 2175 Rosaline Ave, Suite ARedding, CA 96001 (530) 225‑6000
- 8213 E Del Cristal DrScottsdale, AZ 85258 (480) 948‑3270
Group practices
Medicare enrollment lists Claude Frey as a member of this group (CMS data updated 2026-10-02).
- Advanced Radiology and Interventional Associates Inc104 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Stockton
Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215995246 |
| 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