Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. William A Butler, MD

Individual provider Psychiatry Physician · NPI 1831724939

Dr. William A Butler, MD practises Psychiatry in Boston, Massachusetts. Graduated from Florida State University College of Medicine in 2021, 5 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Trained at
Florida State University College of Medicine
Licensed in
MA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

32 Fruit St Ste 6A
Boston, MA 02114-2620
Phone: (617) 855-3965
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 1016249 (MA)

Record details

NPI number1831724939
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 9, 2020
Last updated in NPPESApril 21, 2025
Certification dateApril 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolFLORIDA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients18
Services billed 20 a service is one billed item, such as a visit, a test or a procedure
Average patient age61

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mass General Brigham Medical Group Suburban Massachusetts Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 532 clinicians in the practice; 12 are shown here.

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