Quick answers
- Which hospitals does Steven Shield work at?
- Medicare's official clinician data lists Steven Shield at 1 hospital: Adventist Health Sonora. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Shield see patients?
- Medicare's clinician data lists 2 practice locations, including Sonora, CA and Jamestown, CA. Call before your visit to confirm the address.
- What is Steven Shield's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Steven Shield accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Shield 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 Steven Shield?
- (209) 536-5196, as listed in official Medicare / NPI Registry data.
- What is Steven Shield's NPI number?
- 1619954237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Shield works
Medicare's Facility Affiliation Data lists Steven Shield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · CCN 050335
Practice locations
Addresses where Steven Shield is enrolled with Medicare (CMS data updated 2026-10-02).
- 12811 Covey CirSonora, CA 95370 (209) 536‑5196
- 18144 Seco StJamestown, CA 95327 (209) 984‑4820
Group practices
Medicare enrollment lists Steven Shield as a member of these groups (CMS data updated 2026-10-02).
- Sonora Community Hospital133 clinicians in the group
- Mathiesen Memorial Health Clinic4 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sonora
Clinicians with the same Medicare primary specialty in Sonora, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619954237 |
| 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