Quick answers
- Which hospitals does Marsha Mather work at?
- Medicare's official clinician data lists Marsha Mather at 3 hospitals: Cape Cod Hospital, Falmouth Hospital and Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marsha Mather see patients?
- Medicare's clinician data lists 2 practice locations, including Hyannis, MA. Call before your visit to confirm the address.
- What is Marsha Mather's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Marsha Mather accept Medicare assignment?
- Yes. Medicare's clinician data says Marsha Mather 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.
- Does Marsha Mather offer telehealth?
- Medicare's clinician data says Marsha Mather offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marsha Mather?
- (774) 552-3209, as listed in official Medicare / NPI Registry data.
- What is Marsha Mather's NPI number?
- 1831772623. 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 Mather works
Medicare's Facility Affiliation Data lists Marsha Mather at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · CCN 220135
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
Practice locations
Addresses where Marsha Mather is enrolled with Medicare (CMS data updated 2026-10-02).
- 1030 Falmouth RdHyannis, MA 02601 (774) 552‑3209
- 27 Park StHyannis, MA 02601 (774) 552‑6000
Group practices
Medicare enrollment lists Marsha Mather as a member of these groups (CMS data updated 2026-10-02).
- Physicians of Cape Cod Hospital334 clinicians in the group
- Medical Affiliates of Cape Cod Inc229 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hyannis
Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831772623 |
| 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