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Radiation Oncology

Jennifer J. Hyder, MD

Works at hospitals in Springfield, MA · Massachusetts

Summary

Dr. Jennifer J. Hyder, MD is a radiation oncologist at 271 Carew St, Springfield, MA 01104. Phone: (413) 748-7370. Accepts Medicare assignment. In 2024, Jennifer J. Hyder had 98 Original Medicare patients and 978 services. NPI 1811151061. 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: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 271 Carew St, Springfield, MA 01104 · Directions
  • Phone: (413) 748‑7370
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center
  • Group practice: Mercy Medical Group Inc
  • Medical school: Eastern Virginia Medical School · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer J. Hyder, 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 Jennifer J. Hyder accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer J. Hyder 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 Jennifer J. Hyder see?
In 2024, CMS data shows 98 Original Medicare patients and 978 services for Jennifer J. Hyder. This counts Original Medicare only and measures volume, not quality.
What is Jennifer J. Hyder's NPI number?
1811151061. 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 Jennifer J. Hyder, 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 patients98
Services billed to Medicare978
Different services or procedures24
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)338 services
  2. Radiation treatment management, 5 treatment sessions (77427)154 services
  3. Calculation of radiation therapy dose (77300)110 services
  4. Design and construction of complex radiation treatment device (77334)102 services
  5. Complex radiation therapy planning (77263)43 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High blood pressure73%
  • High cholesterol73%
  • Arthritis35%
  • Diabetes34%
  • COPD32%

Hospitals where Jennifer J. Hyder works

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

Group practices

Medicare enrollment lists Jennifer J. Hyder as a member of this group (CMS data updated October 2, 2026).

  • Mercy Medical Group Inc16 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Massachusetts →

Other radiation oncologists in Springfield

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

All radiation oncologists in Springfield →

Other clinicians in Mercy Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811151061
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