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Radiation Oncology

Matthew W. Parsons, MD

Works at hospitals in Portland, ME · Portsmouth, NH · York, ME · Maine, New Hampshire

Summary

Dr. Matthew W. Parsons, MD is a radiation oncologist at 100 Campus Dr, Scarborough, ME 04074. Phone: (207) 871-2571. Accepts Medicare assignment. In 2024, Matthew W. Parsons had 309 Original Medicare patients and 1,614 services. NPI 1427581560. 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 Matthew W. Parsons, 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 Matthew W. Parsons accept Medicare assignment?
Yes. Medicare's clinician data says Matthew W. Parsons 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 Matthew W. Parsons see?
In 2024, CMS data shows 309 Original Medicare patients and 1,614 services for Matthew W. Parsons. This counts Original Medicare only and measures volume, not quality.
What is Matthew W. Parsons's NPI number?
1427581560. 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 Matthew W. Parsons, 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 patients309
Services billed to Medicare1,614
Different services or procedures33
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)624 services
  2. Radiation treatment management, 5 treatment sessions (77427)138 services
  3. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)128 services
  4. Calculation of radiation therapy dose (77300)124 services
  5. Design and construction of complex radiation treatment device (77334)103 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 cholesterol71%
  • High blood pressure69%
  • Arthritis37%
  • Anxiety27%
  • Chronic kidney disease27%

Hospitals where Matthew W. Parsons works

Medicare's Facility Affiliation Data lists Matthew W. Parsons 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.

  • MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
  • Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200008
  • Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029
  • York HospitalYork, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200020

Practice locations

Addresses where Matthew W. Parsons is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Matthew W. Parsons as a member of these groups (CMS data updated October 2, 2026).

  • MaineHealth2,633 clinicians in the group
  • Spectrum Healthcare Partners PA308 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Maine →

Other radiation oncologists in Scarborough

Clinicians with the same Medicare primary specialty in Scarborough, ME — not a recommendation.

All radiation oncologists in Scarborough →

Other clinicians in MaineHealth

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427581560
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