Quick answers
- Which hospitals does Gerald B. Holtz work at?
- Medicare's official clinician data lists Gerald B. Holtz at 5 hospitals: Adventist Health Delano, Adventist Health Hanford, Adventist Health Mendocino Coast, Adventist Health Tulare and Madera Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerald B. Holtz see patients?
- Medicare's clinician data lists 12 practice locations, including Selma, CA, Hanford, CA and Delano, CA. Call before your visit to confirm the address.
- What is Gerald B. Holtz's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gerald B. Holtz accept Medicare assignment?
- Yes. Medicare's clinician data says Gerald B. Holtz 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 Gerald B. Holtz?
- (559) 891-1000, as listed in official Medicare / NPI Registry data.
- What is Gerald B. Holtz's NPI number?
- 1578649554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerald B. Holtz works
Medicare's Facility Affiliation Data lists Gerald B. Holtz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health DelanoDelano, CA · Acute Care Hospital · CCN 050608
- Adventist Health HanfordHanford, CA · Acute Care Hospital · CCN 050121
- Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospital · CCN 051325
- Adventist Health TulareTulare, CA · Acute Care Hospital · CCN 050784
- Madera Community HospitalMadera, CA · Acute Care Hospital · CCN 050856
Practice locations
Addresses where Gerald B. Holtz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.
- 1141 Rose AveSelma, CA 93662 (559) 891‑1000
- 115 Mall DrHanford, CA 93230 (559) 582‑9000
- 1401 Garces HwyDelano, CA 93215 (661) 725‑4800
- 1800 N California StStockton, CA 95204 (209) 943‑2000
- 199 E Webster StColusa, CA 95932 · Radiologica Inc (530) 458‑1808
Group practices
Medicare enrollment lists Gerald B. Holtz as a member of these groups (CMS data updated 2026-10-02).
- Advanced Radiology and Interventional Associates Inc104 clinicians in the group
- Hanford Community Hospital59 clinicians in the group
- San Joaquin Community Hospital59 clinicians in the group
- Adventist Health Mendocino Coast56 clinicians in the group
- Sol Radiology Inc50 clinicians in the group
- Adventist Health Delano45 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Selma
Clinicians with the same Medicare primary specialty in Selma, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1968 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578649554 |
| 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