Quick answers
- Which hospitals does Marsha C. Olson work at?
- Medicare's official clinician data lists Marsha C. Olson at 3 hospitals: St Vincent Hospital, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marsha C. Olson see patients?
- Medicare's clinician data lists 3 practice locations, including Sterling, MA and Auburn, MA. Call before your visit to confirm the address.
- What is Marsha C. Olson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marsha C. Olson accept Medicare assignment?
- Yes. Medicare's clinician data says Marsha C. Olson 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 Marsha C. Olson?
- (508) 784-1278, as listed in official Medicare / NPI Registry data.
- What is Marsha C. Olson's NPI number?
- 1184685851. 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 C. Olson works
Medicare's Facility Affiliation Data lists Marsha C. Olson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Vincent HospitalWorcester, MA · Acute Care Hospital · CCN 220176
- UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · CCN 220001
- UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · CCN 220163
Practice locations
Addresses where Marsha C. Olson is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Leominster RdSterling, MA 01564 (508) 784‑1278
- 100 Leominster Rd, Suite 1Sterling, MA 01564 (978) 422‑7744
- 813 Southbridge StAuburn, MA 01501 (508) 784‑1278
Group practices
Medicare enrollment lists Marsha C. Olson as a member of these groups (CMS data updated 2026-10-02).
- Saint Vincent Physician Services Inc71 clinicians in the group
- Shane Speirs MD II PLLC17 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184685851 |
| 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