Quick answers
- Where does Marsha Ellis see patients?
- Medicare's clinician data lists 2 practice locations, including Brewster, NY and Bronx, NY. Call before your visit to confirm the address.
- What is Marsha Ellis's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marsha Ellis accept Medicare assignment?
- Medicare's clinician data says Marsha Ellis may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Marsha Ellis?
- (845) 279-5187, as listed in official Medicare / NPI Registry data.
- What is Marsha Ellis's NPI number?
- 1629832316. 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 Marsha Ellis is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 Clock Tower CmnsBrewster, NY 10509 (845) 279‑5187
- 111 E 210th StBronx, NY 10467 (866) 633‑8255
Group practices
Medicare enrollment lists Marsha Ellis as a member of these groups (CMS data updated 2026-10-02).
- Montefiore Medical Center2,820 clinicians in the group
- Northern Medical Group, PLLC38 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Brewster
Clinicians with the same Medicare primary specialty in Brewster, NY — not a recommendation.
Clinician information
| Medical school | Mercy College |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1629832316 |
| 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