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Hematology/Oncology

Jeremy Rosenblum, MD

Works at hospitals in Valhalla, NY · New York

Summary

Dr. Jeremy Rosenblum, MD is a hematologist-oncologist at 19 Bradhurst Ave, Hawthorne, NY 10532. Phone: (914) 493-7235. Accepts Medicare assignment. In 2024, Jeremy Rosenblum had 27 Original Medicare patients and 1,760 services. NPI 1982839858. 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.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 19 Bradhurst Ave, Hawthorne, NY 10532 · Directions (1 more location)
  • Phone: (914) 493‑7235
  • Medicare: Accepts Medicare assignment
  • Hospital: Westchester Medical Center
  • Group practice: Boston Children's Health Physicians LLP
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeremy Rosenblum, 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 Jeremy Rosenblum accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy Rosenblum 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 Jeremy Rosenblum see?
In 2024, CMS data shows 27 Original Medicare patients and 1,760 services for Jeremy Rosenblum. This counts Original Medicare only and measures volume, not quality.
What is Jeremy Rosenblum's NPI number?
1982839858. 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 Jeremy Rosenblum, 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 patients27
Services billed to Medicare1,760
Different services or procedures31
Participating Medicare providerYes
Average age of these patients68

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 cholesterol74%
  • Ischemic heart disease56%
  • Chronic kidney disease56%
  • Diabetes48%

Hospitals where Jeremy Rosenblum works

Medicare's Facility Affiliation Data lists Jeremy Rosenblum 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.

Practice locations

Addresses where Jeremy Rosenblum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeremy Rosenblum as a member of this group (CMS data updated October 2, 2026).

  • Boston Children's Health Physicians LLP79 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in New York →

Other hematologist-oncologists in Hawthorne

Clinicians with the same Medicare primary specialty in Hawthorne, NY — not a recommendation.

All hematologist-oncologists in Hawthorne →

Other clinicians in Boston Children's Health Physicians LLP

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

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982839858
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