William A. Butler, M.D.
Psychiatry Physician · Boston, MA
William A. Butler, M.D. is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1831724939, issued on Mar 9, 2020. Check the license (Massachusetts 1016249, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William A. Butler
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 1016249 MA
Self-reported in NPPES; status is on the state search - Practice location
- 32 Fruit St Ste 6A, Boston, MA 02114
- Phone
- (617) 855-3965
- Enumerated
- Mar 9, 2020
- Record last updated
- Apr 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20231214000928); accepts Medicare assignment
- Medical or professional school
- Florida State University College Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 32 Fruit St Ste 6A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan DavisDoula1336062181
Verify William A. Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1016249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
159 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl16 claims
- Lamotrigine14 claims
- Clonazepam13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Butler among 2,736 psychiatry physician records in Massachusetts
William A. Butler, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2021 · median 2005 among the 1,219 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
845 psychiatry physician records list a practice address in Boston
They are 845 of the 41,865 NPPES records with a practice address in Boston, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Steven Ablon, MDBoston, MA 021141083604839
- Barbara Beck, MDBoston, MA 021141720078272
- Judith Edersheim, MDBoston, MA 021141154311835
- Karleyton Evans, MDBoston, MA 021141407846058
- James Groves, MDBoston, MA 021141013906015
- John Herman, MDBoston, MA 021141275523961
- Rakesh Karmacharya, MD PHDBoston, MA 021141720078389
- Vaughn Mankey, MDBoston, MA 021141225028954
Common questions
What is William A. Butler, M.D.'s NPI number?
William A. Butler, M.D.'s National Provider Identifier (NPI) is 1831724939, issued on Mar 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William A. Butler, M.D. located?
The NPPES record lists a practice address at 32 Fruit St Ste 6A, Boston, MA, 02114. Phone: (617) 855-3965. Providers update this record themselves, so call before visiting.
How can I verify William A. Butler, M.D.'s license?
NPPES lists Massachusetts license number 1016249, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William A. Butler, M.D. prescribe under Medicare Part D?
In 2024, William A. Butler, M.D. had 159 Medicare Part D claims for 13 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.