Isidore Lawrence Berenbaum, M.D.
Psychiatry Physician · Boston, MA
Isidore Lawrence Berenbaum, M.D. is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1245256668, issued on Jul 15, 2006. Check the license (Massachusetts 39577, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Isidore Lawrence Berenbaum
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 39577 MA
Self-reported in NPPES; status is on the state search - Practice location
- 88 E Newton St # B410, Boston, MA 02118
- Phone
- (617) 638-8674
- Enumerated
- Jul 15, 2006
- Record last updated
- Aug 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 638-8724
- Medicaid ID
- 0110957 MA
- Medicare enrollment
- Enrolled (PECOS I20051029000233); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Isidore Lawrence Berenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 39577Check 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
179 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. Brand-name drugs were 0% of claims.
Most prescribed
- Bupropion Hcl Sr21 claims
- Clonazepam17 claims
- Paroxetine Hcl13 claims
- Dextroamphetamine-Amphetamine12 claims
- Doxepin Hcl12 claims
- Sertraline Hcl12 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
- Boston University Psychiatry Associates, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isidore Lawrence Berenbaum among 2,736 psychiatry physician records in Massachusetts
Isidore Lawrence Berenbaum, 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 fileYes · 45% of these records are
- Graduated1975 · median 2005 among the 1,219 with a school on file
- Record last updated2012 · 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
- 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
- Karen Kwok, M.D.Boston, MA 021181922034396
Common questions
What is Isidore Lawrence Berenbaum, M.D.'s NPI number?
Isidore Lawrence Berenbaum, M.D.'s National Provider Identifier (NPI) is 1245256668, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isidore Lawrence Berenbaum, M.D. located?
The NPPES record lists a practice address at 88 E Newton St # B410, Boston, MA, 02118. Phone: (617) 638-8674. Providers update this record themselves, so call before visiting.
How can I verify Isidore Lawrence Berenbaum, M.D.'s license?
NPPES lists Massachusetts license number 39577, 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 Isidore Lawrence Berenbaum, M.D. prescribe under Medicare Part D?
In 2024, Isidore Lawrence Berenbaum, M.D. had 179 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.