Quick answers
- Does Marsha L. Muir accept Medicare assignment?
- Yes. Medicare's clinician data says Marsha L. Muir 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 Marsha L. Muir's NPI number?
- 1740396365. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marsha L. Muir works
Medicare's Facility Affiliation Data lists Marsha L. Muir at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Dominican HospitalSanta Cruz, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050242
Practice locations
Addresses where Marsha L. Muir is enrolled with Medicare (CMS data updated October 2, 2026).
- 1505 Soquel Dr, Suite 5aSanta Cruz, CA 95065 (831) 465‑5440
Group practices
Medicare enrollment lists Marsha L. Muir as a member of this group (CMS data updated October 2, 2026).
- Dignity Health Medical Foundation1,184 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Santa Cruz
Clinicians with the same Medicare primary specialty in Santa Cruz, CA — not a recommendation.
Other clinicians in Dignity Health Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740396365 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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