Quick answers
- Where does Andrew O. Williams see patients?
- Medicare's clinician data lists 1 practice location in Elk Grove, CA. Call before your visit to confirm the address.
- What is Andrew O. Williams's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Andrew O. Williams accept Medicare assignment?
- Medicare's clinician data says Andrew O. Williams may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Andrew O. Williams?
- (916) 686-6062, as listed in official Medicare / NPI Registry data.
- What is Andrew O. Williams's NPI number?
- 1104853175. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Andrew O. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 9381 E Stockton Blvd, Suite 128Elk Grove, CA 95624 (916) 686‑6062
Specialties
- Chiropracticprimary
Other chiropractors in Elk Grove
Clinicians with the same Medicare primary specialty in Elk Grove, CA — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Medical school | Palmer College Chiropractic - West Sunnyvale |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1104853175 |
| 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
- 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