Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Radiation Oncology

Charles R. Thomas Jr., MD

Works at hospitals in Keene, NH · Lebanon, NH · New London, NH … · New Hampshire, Vermont

Summary

Dr. Charles R. Thomas Jr., MD is a radiation oncologist at 1 Medical Ctr Dr, Lebanon, NH 03756. Phone: (603) 650-5000. Accepts Medicare assignment. In 2024, Charles R. Thomas Jr. had 159 Original Medicare patients and 703 services. NPI 1407874167. 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 Charles R. Thomas Jr., 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 Charles R. Thomas Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Charles R. Thomas Jr. 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 Charles R. Thomas Jr. see?
In 2024, CMS data shows 159 Original Medicare patients and 703 services for Charles R. Thomas Jr.. This counts Original Medicare only and measures volume, not quality.
What is Charles R. Thomas Jr.'s NPI number?
1407874167. 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 Charles R. Thomas Jr., 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 patients159
Services billed to Medicare703
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)286 services
  2. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)75 services
  3. Calculation of radiation therapy dose (77300)68 services
  4. Radiation treatment management, 5 treatment sessions (77427)58 services
  5. Design and construction of complex radiation treatment device (77334)44 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 pressure66%
  • High cholesterol58%
  • Arthritis36%
  • COPD29%
  • Diabetes27%

Hospitals where Charles R. Thomas Jr. works

Medicare's Facility Affiliation Data lists Charles R. Thomas Jr. 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.

  • Cheshire Medical CenterKeene, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300019
  • Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003
  • New London HospitalNew London, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301304
  • Northeastern Vermont Regional HospitalSaint Johnsbury, VT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 471303
  • Valley Regional HospitalClaremont, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301308

Practice locations

Addresses where Charles R. Thomas Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Charles R. Thomas Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group
  • Mary Hitchcock Memorial Hospital1,280 clinicians in the group

Specialties

Find other Radiation Oncology doctors in New Hampshire →

Other radiation oncologists in Lebanon

Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.

All radiation oncologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407874167
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