Stuart Edwin Grassian, M.D.
Psychiatry Physician · Chestnut Hill, MA
Stuart Edwin Grassian, M.D. is a psychiatry physician with a practice address in Chestnut Hill, Massachusetts, and NPI 1790774867, issued on Oct 20, 2005. Check the license (Massachusetts 37749, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stuart Edwin Grassian
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 37749 MA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Beacon St, Chestnut Hill, MA 02467
- Phone
- (617) 244-3315
- Enumerated
- Oct 20, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 244-2792
- Medicare enrollment
- Enrolled (PECOS I20110509000891); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Stuart Edwin Grassian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 37749Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average psychiatry physician in 2024
183 Medicare Part D claims for 16 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam47 claims
- Bupropion Hcl Sr18 claims
- Armodafinil11 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.
Stuart Edwin Grassian among 2,736 psychiatry physician records in Massachusetts
Stuart Edwin Grassian, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1973 · median 2005 among the 1,219 with a school on file
- Record last updated2007 · 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).
25 psychiatry physician records list a practice address in Chestnut Hill
They are 25 of the 772 NPPES records with a practice address in Chestnut Hill, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Chestnut Hill → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Orit Avni-Barron, M.D.Chestnut Hill, MA 024671154353688
- Richard Barnum, M.D.Chestnut Hill, MA 024671366482895
- Mona Bennett, M.D.Chestnut Hill, MA 024671811089220
- Gregory Brodsky, M.D.Chestnut Hill, MA 024671497794929
- Bayard Clarkson, MDChestnut Hill, MA 024671669463956
- Carmel Heinsohn, M.D.Brookline, MA 024671558328716
- Emily Kim, MDChestnut Hill, MA 024671174624985
- Gerald Lazar, M. D.Chestnut Hill, MA 024671326032681
Common questions
What is Stuart Edwin Grassian, M.D.'s NPI number?
Stuart Edwin Grassian, M.D.'s National Provider Identifier (NPI) is 1790774867, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Edwin Grassian, M.D. located?
The NPPES record lists a practice address at 401 Beacon St, Chestnut Hill, MA, 02467. Phone: (617) 244-3315. Providers update this record themselves, so call before visiting.
How can I verify Stuart Edwin Grassian, M.D.'s license?
NPPES lists Massachusetts license number 37749, 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 Stuart Edwin Grassian, M.D. prescribe under Medicare Part D?
In 2024, Stuart Edwin Grassian, M.D. had 183 Medicare Part D claims for 16 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.