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DR. ISIDORE LAWRENCE BERENBAUM M.D.
NPI 1245256668
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since July 15, 2006PECOS EnrolledAccepts Medicare Assignment
88 E NEWTON ST # B410, BOSTON, MA 02118(617) 638-8674(617) 638-8724 Get Directions Write a Review

NPPES record last updated: August 20, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Isidore Lawrence Berenbaum M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ISIDORE LAWRENCE BERENBAUM M.D. (NPI 1245256668) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (39577) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1975).

NPPES Registry Identity

NPI1245256668
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ISIDORE LAWRENCE BERENBAUMCredential: M.D.
Location Address88 E NEWTON ST # B410Boston, MA 02118-2308
Mailing Address88 E Newton St # B410Boston, MA 02118-2308 · (617) 638-8674 · Fax (617) 638-8724
Phone(617) 638-8674
Fax(617) 638-8724
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 1975
Enumeration DateJuly 15, 2006
Last NPPES UpdateAugust 20, 2012
✔ NPI 1245256668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 39577
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
88 E NEWTON ST # B410, Boston, MA 02118
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Other Identifiers 5

Medicare ID-Type UnspecifiedB33600MA
Medicare UPINA35878MA
Other161253000MA · Magellan Behavioral Healt
Medicaid0110957MA
Other759194MA · Tufts

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Isidore Lawrence Berenbaum M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678590528
PECOS Enrollment IDI20051029000233
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Isidore Berenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston University Psychiatry Associates, Inc.
0.3 mi
Psychiatry
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 193 clinicians in this Medicare group
NPI 1073619854 (617) 414-5245

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
156 services21 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
155 services20 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
53 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isidore Berenbaum's NPI number?

The NPI number for Isidore Berenbaum is 1245256668. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Isidore Berenbaum located?

Isidore Berenbaum practices at 88 E Newton St # B410, Boston, MA 02118. The listed phone number is (617) 638-8674.

What is Isidore Berenbaum's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Isidore Berenbaum enrolled in Medicare?

Yes. Isidore Berenbaum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Isidore Berenbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isidore Berenbaum reassigns Medicare benefits to Boston University Psychiatry Associates, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isidore Berenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isidore Berenbaum accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Isidore Berenbaum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Isidore Berenbaum was last updated on August 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.