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Medical Oncology

Andrew Hantel, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Andrew Hantel, MD is an oncologist at 450 Brookline Ave, Boston, MA 02215. Accepts Medicare assignment. In 2024, Andrew Hantel had 74 Original Medicare patients and 290 services. NPI 1023457819. 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: Oncologist (Medicare lists Medical Oncology)
  • Address: 450 Brookline Ave, Boston, MA 02215 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Brigham and Women's Hospital
  • Group practice: Dana-Farber Cancer Institute, Inc.
  • Medical school: Loyola University Of Chicago, Stritch School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew Hantel, 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 Andrew Hantel accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Hantel 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 Andrew Hantel see?
In 2024, CMS data shows 74 Original Medicare patients and 290 services for Andrew Hantel. This counts Original Medicare only and measures volume, not quality.
What is Andrew Hantel's NPI number?
1023457819. 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 Andrew Hantel, 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 patients74
Services billed to Medicare290
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)155 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)57 services
  3. Hospital discharge day management, 30 minutes or less (99238)34 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%
  • Arthritis51%
  • Ischemic heart disease47%
  • Anxiety47%
  • Atrial fibrillation43%

Hospitals where Andrew Hantel works

Medicare's Facility Affiliation Data lists Andrew Hantel 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 Andrew Hantel is enrolled with Medicare (CMS data updated October 2, 2026).

  • 450 Brookline AveBoston, MA 02215

Group practices

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

  • Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

Find other Medical Oncology doctors in Massachusetts →

Other oncologists in Boston

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

All oncologists in Boston →

Other clinicians in Dana-Farber Cancer Institute, Inc.

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023457819
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