Quick answers
- Where does Jill M. Marshall see patients?
- Medicare's clinician data lists 3 practice locations, including Torrance, CA, Sammamish, WA and Round Mountain, CA. Call before your visit to confirm the address.
- What is Jill M. Marshall's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Jill M. Marshall accept Medicare assignment?
- Medicare's clinician data says Jill M. Marshall may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Jill M. Marshall's NPI number?
- 1033385562. 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 Jill M. Marshall is enrolled with Medicare (CMS data updated 2026-10-02).
- 21151 S Western Ave, Suite B22Torrance, CA 90501
- 21410 NE 14th StreetSammamish, WA 98074
- PO Box, Suite 228Round Mountain, CA 96084
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1033385562 |
| 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