Joseph Samuel Insler, M.D.
Psychiatry Physician · Norwood, MA
Joseph Samuel Insler, M.D. is a psychiatry physician with a practice address in Norwood, Massachusetts, and NPI 1861780470, issued on Jul 16, 2011. Check the license (Massachusetts 261301, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Samuel Insler
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 261301 MA
19587 NH
Self-reported in NPPES; status is on the state search - Practice location
- 95 Chapel St Unit G4, Norwood, MA 02062
- Phone
- (617) 340-9695
- Enumerated
- Jul 16, 2011
- Record last updated
- Sep 17, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Joseph Samuel Insler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 261301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average psychiatry physician in 2024
279 Medicare Part D claims for 34 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Trazodone Hcl29 claims
- Trintellix22 claims
- Escitalopram Oxalate20 claims
- Dextroamphetamine-Amphetamine18 claims
- Bupropion Xl16 claims
- Ritalin15 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.
Joseph Samuel Insler among 2,736 psychiatry physician records in Massachusetts
Joseph Samuel Insler, 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 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2024 · 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).
17 psychiatry physician records list a practice address in Norwood
They are 17 of the 1,175 NPPES records with a practice address in Norwood, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Norwood → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Eugenya Alesker, MDNorwood, MA 020621538135413
- Jing BuNorwood, MA 020621699905091
- Timothy Davis, M.D.Norwood, MA 020621255442372
- Ujala Fawad, M.D.Norwood, MA 020621063662112
- Alice Freeman, M.D.Norwood, MA 020621972692762
- Roger Gray, MDNorwood, MA 020621194799460
- Evelyn Hale, M.D.Norwood, MA 020621548450687
- Pamela Hoyt, MDNorwood, MA 020621508930793
Common questions
What is Joseph Samuel Insler, M.D.'s NPI number?
Joseph Samuel Insler, M.D.'s National Provider Identifier (NPI) is 1861780470, issued on Jul 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Samuel Insler, M.D. located?
The NPPES record lists a practice address at 95 Chapel St Unit G4, Norwood, MA, 02062. Phone: (617) 340-9695. Providers update this record themselves, so call before visiting.
How can I verify Joseph Samuel Insler, M.D.'s license?
NPPES lists Massachusetts license number 261301, 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 Joseph Samuel Insler, M.D. prescribe under Medicare Part D?
In 2024, Joseph Samuel Insler, M.D. had 279 Medicare Part D claims for 34 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.