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Psychiatry

Kerry-Ann William, MD

Sees patients in Acton, MA · Massachusetts

Summary

Kerry-Ann William, MD (Psychiatry) is enrolled with Medicare at 2 practice locations in Acton, MA. NPI 1598961633. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kerry-Ann William, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
Creighton University School Of MedicineMedical school
FemaleGender (as listed)
Justice Resource Institute, IncGroup practice

Quick answers

Where does Kerry-Ann William see patients?
Medicare's clinician data lists 2 practice locations, including Acton, MA. Call before your visit to confirm the address.
What is Kerry-Ann William's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Kerry-Ann William accept Medicare assignment?
Yes. Medicare's clinician data says Kerry-Ann William 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 Kerry-Ann William?
(978) 264-3500, as listed in official Medicare / NPI Registry data.
What is Kerry-Ann William's NPI number?
1598961633. 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 Kerry-Ann William is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kerry-Ann William as a member of this group (CMS data updated 2026-10-02).

  • Justice Resource Institute, Inc26 clinicians in the group

Specialties

Find other Psychiatry doctors in Massachusetts →

Other psychiatrists in Acton

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

All psychiatrists in Acton →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598961633
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians