David Brewster Hathaway, M.D.
Psychiatry Physician · Boston, MA
David Brewster Hathaway, M.D. is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1093127383, issued on May 21, 2014. Check the license (Massachusetts 273979, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Brewster Hathaway
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 273979 MA
Self-reported in NPPES; status is on the state search - Practice location
- 720 Harrison Ave, Boston, MA 02118
- Phone
- (617) 638-8540
- Enumerated
- May 21, 2014
- Record last updated
- Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190315001142); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Brewster Hathaway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average psychiatry physician in 2024
437 Medicare Part D claims for 70 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Lorazepam47 claims
- Dextroamphetamine-Amphetamine44 claims
- Clonazepam30 claims
- Aripiprazole26 claims
- Metformin Hcl Er19 claims
- Sertraline Hcl19 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 one group practice
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Brewster Hathaway among 2,736 psychiatry physician records in Massachusetts
David Brewster Hathaway, 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 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2014 · median 2005 among the 1,219 with a school on file
- Record last updated2018 · 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
- Isidore Berenbaum, M.D.Boston, MA 021181245256668
- James Bonnar, MDBoston, MA 021181285662023
- Andrew Brown, M.D.Boston, MA 021181508805698
- Anne Calabresi, MDBoston, MA 021181245296441
- Todd Carranza, M.D.Boston, MA 021181659313047
- David Henderson, MDBoston, MA 021181699759076
- Karen Henley, MDBoston, MA 021181215919766
- Robert Irvin, M.D.Boston, MA 021181063459170
Common questions
What is David Brewster Hathaway, M.D.'s NPI number?
David Brewster Hathaway, M.D.'s National Provider Identifier (NPI) is 1093127383, issued on May 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is David Brewster Hathaway, M.D. located?
The NPPES record lists a practice address at 720 Harrison Ave, Boston, MA, 02118. Phone: (617) 638-8540. Providers update this record themselves, so call before visiting.
How can I verify David Brewster Hathaway, M.D.'s license?
NPPES lists Massachusetts license number 273979, 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 David Brewster Hathaway, M.D. prescribe under Medicare Part D?
In 2024, David Brewster Hathaway, M.D. had 437 Medicare Part D claims for 70 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.