Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

Bimalangshu R. Dey, MD

Works at hospitals in Boston, MA · Manchester, NH · Exeter, NH · Massachusetts, New Hampshire

Summary

Dr. Bimalangshu R. Dey, MD is a hematologist-oncologist at 330 Brookline Ave, Boston, MA 02215. Phone: (617) 754-8612. Accepts Medicare assignment. In 2024, Bimalangshu R. Dey had 419 Original Medicare patients and 998 services. NPI 1679563845. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Bimalangshu R. Dey, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Bimalangshu R. Dey accept Medicare assignment?
Yes. Medicare's clinician data says Bimalangshu R. Dey accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Bimalangshu R. Dey see?
In 2024, CMS data shows 419 Original Medicare patients and 998 services for Bimalangshu R. Dey. This counts Original Medicare only and measures volume, not quality.
What is Bimalangshu R. Dey's NPI number?
1679563845. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Bimalangshu R. Dey, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients419
Services billed to Medicare998
Different services or procedures14
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)474 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)236 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)100 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)89 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)44 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis53%
  • Chronic kidney disease36%
  • Anxiety33%
  • Ischemic heart disease30%

Hospitals where Bimalangshu R. Dey works

Medicare's Facility Affiliation Data lists Bimalangshu R. Dey at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
  • Elliot HospitalManchester, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300012
  • Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023

Practice locations

Addresses where Bimalangshu R. Dey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bimalangshu R. Dey as a member of these groups (CMS data updated October 2, 2026).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
  • Core Physicians LLC289 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All hematologist-oncologists in Boston →

Other clinicians in Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1679563845
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians