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Radiation Oncology

James G. Pelton, MD

Works at hospitals in Bellevue, WA · Bellingham, WA · Washington

Summary

Dr. James G. Pelton, MD is a radiation oncologist at 1035 116th Ave NE, Bellevue, WA 98004. Phone: (425) 688-5072. Accepts Medicare assignment. In 2024, James G. Pelton had 98 Original Medicare patients and 238 services. NPI 1558449918. 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 James G. Pelton, 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 James G. Pelton accept Medicare assignment?
Yes. Medicare's clinician data says James G. Pelton 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 James G. Pelton see?
In 2024, CMS data shows 98 Original Medicare patients and 238 services for James G. Pelton. This counts Original Medicare only and measures volume, not quality.
What is James G. Pelton's NPI number?
1558449918. 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 James G. Pelton, 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 Medicare238
Different services or procedures21
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)68 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 services
  3. Radiation treatment management, 5 treatment sessions (77427)15 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 pressure67%
  • High cholesterol67%
  • Arthritis40%
  • Diabetes24%
  • Ischemic heart disease24%

Hospitals where James G. Pelton works

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

Group practices

Medicare enrollment lists James G. Pelton as a member of these groups (CMS data updated October 2, 2026).

  • Overlake Medical Clinics LLC425 clinicians in the group
  • PeaceHealth298 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Washington →

Other radiation oncologists in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All radiation oncologists in Washington →

Other clinicians in Overlake Medical Clinics LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558449918
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