Quick answers
- Which hospitals does Gregory S. Chance work at?
- Medicare's official clinician data lists Gregory S. Chance at 1 hospital: Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory S. Chance see patients?
- Medicare's clinician data lists 2 practice locations, including Stockton, CA. Call before your visit to confirm the address.
- What is Gregory S. Chance's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gregory S. Chance accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory S. Chance 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 Gregory S. Chance?
- (209) 227-5052, as listed in official Medicare / NPI Registry data.
- What is Gregory S. Chance's NPI number?
- 1124074877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory S. Chance works
Medicare's Facility Affiliation Data lists Gregory S. Chance at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
Practice locations
Addresses where Gregory S. Chance is enrolled with Medicare (CMS data updated 2026-10-02).
- 1507 E March Ln, Suite CStockton, CA 95210 (209) 227‑5052
- 5345 N El Dorado St, Suite 12Stockton, CA 95207 (209) 957‑6662
Group practices
Medicare enrollment lists Gregory S. Chance as a member of this group (CMS data updated 2026-10-02).
- Advanced Dermatology and Skin Cancer Specialists21 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stockton
Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124074877 |
| 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