Susan T. Mahler, M.D.
Psychiatry Physician · North Adams, MA
Susan T. Mahler, M.D. is a psychiatry physician with a practice address in North Adams, Massachusetts, and NPI 1609834555, issued on May 2, 2006. Check the license (Massachusetts 161300, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Susan T. Mahler
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 161300 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1314 Mass Moca Way Bldg 13, North Adams, MA 01247
- Phone
- (413) 346-4140
- Enumerated
- May 2, 2006
- Record last updated
- Nov 14, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Susan T. Mahler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 161300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average psychiatry physician in 2024
230 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
- Escitalopram Oxalate36 claims
- Zaleplon22 claims
- Lamotrigine20 claims
- Alprazolam16 claims
- Clonazepam13 claims
- Lorazepam13 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.
Susan T. Mahler among 2,736 psychiatry physician records in Massachusetts
Susan T. Mahler, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2022 · 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).
Psychiatry Physician providers in Massachusetts
There are 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in North Adams → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Howland, MDNorth Adams, MA 012471104884576
- Ljiljana Markovic, MDNorth Adams, MA 012471699885400
- Barri Belnap, M.D.Lenox, MA 012401407880834
- Richard Berlin, MDLenox, MA 012401649256900
- Brian Dundas, M.D.Lenox, MA 012401427188093
- Kathleen Friend, M.D.Lenox, MA 012401023056322
- Paul Glass, M.D.Lenox, MA 012401447419015
- Jesse Goodman, M.D.Lenox, MA 012401922011246
Common questions
What is Susan T. Mahler, M.D.'s NPI number?
Susan T. Mahler, M.D.'s National Provider Identifier (NPI) is 1609834555, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan T. Mahler, M.D. located?
The NPPES record lists a practice address at 1314 Mass Moca Way Bldg 13, North Adams, MA, 01247. Phone: (413) 346-4140. Providers update this record themselves, so call before visiting.
How can I verify Susan T. Mahler, M.D.'s license?
NPPES lists Massachusetts license number 161300, 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 Susan T. Mahler, M.D. prescribe under Medicare Part D?
In 2024, Susan T. Mahler, M.D. had 230 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.