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Diagnostic Radiology

Alyssa Sherwill, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Lowell, MA … · Massachusetts

Summary

Alyssa Sherwill, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Jamaica Plain, MA, Boston, MA and Lowell, MA and other places. NPI 1821618554. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alyssa Sherwill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
New York Medical CollegeMedical school
FemaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice (+2 more)

Quick answers

Which hospitals does Alyssa Sherwill work at?
Medicare's official clinician data lists Alyssa Sherwill at 5 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital, Lowell General Hospital, Massachusetts General Hospital and Melrosewakefield Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alyssa Sherwill see patients?
Medicare's clinician data lists 3 practice locations, including Lowell, MA, Melrose, MA and Boston, MA. Call before your visit to confirm the address.
What is Alyssa Sherwill's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Alyssa Sherwill accept Medicare assignment?
Yes. Medicare's clinician data says Alyssa Sherwill 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 Alyssa Sherwill?
(978) 937-6240, as listed in official Medicare / NPI Registry data.
What is Alyssa Sherwill's NPI number?
1821618554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alyssa Sherwill works

Medicare's Facility Affiliation Data lists Alyssa Sherwill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Alyssa Sherwill is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alyssa Sherwill as a member of these groups (CMS data updated 2026-10-02).

  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
  • Merrimack Radiology-Cra LLC61 clinicians in the group
  • MW Radiology-Cra LLC41 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Massachusetts →

Other radiologists in Lowell

Clinicians with the same Medicare primary specialty in Lowell, MA — not a recommendation.

All radiologists in Lowell →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821618554
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians