Quick answers
- Does Jessica W. Hamilton accept Medicare assignment?
- Yes. Medicare's clinician data says Jessica W. Hamilton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Jessica W. Hamilton's NPI number?
- 1407116007. 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 Jessica W. Hamilton is enrolled with Medicare (CMS data updated October 2, 2026).
- 844 Old Tunnel RdGrass Valley, CA 95945 (530) 274‑9762
- 8665 Salmon AveKings Beach, CA 96143 (530) 274‑9762
- PO Box, Suite 286Downieville, CA 95936
Group practices
Medicare enrollment lists Jessica W. Hamilton as a member of this group (CMS data updated October 2, 2026).
- Western Sierra Medical Clinic Inc36 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Grass Valley
Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.
Other clinicians in Western Sierra Medical Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407116007 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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