Quick answers
- Where does Mallyssa C. Day see patients?
- Medicare's clinician data lists 1 practice location in Falmouth, ME. Call before your visit to confirm the address.
- What is Mallyssa C. Day's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Mallyssa C. Day accept Medicare assignment?
- Yes. Medicare's clinician data says Mallyssa C. Day 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 Mallyssa C. Day?
- (888) 705-8722, as listed in official Medicare / NPI Registry data.
- What is Mallyssa C. Day's NPI number?
- 1649988510. 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 Mallyssa C. Day is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Northbrook DrFalmouth, ME 04105 (888) 705‑8722
Group practices
Medicare enrollment lists Mallyssa C. Day as a member of this group (CMS data updated 2026-10-02).
- Midwest Post Acute Care PLLC127 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Falmouth
Clinicians with the same Medicare primary specialty in Falmouth, ME — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649988510 |
| 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