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Radiation Oncology

Luther L. Ampey Iii, MD

Works at hospitals in Olney, MD · Maryland

Summary

Dr. Luther L. Ampey Iii, MD is a radiation oncologist at 1145 19th St NW, 311 Mmg at 19th Street NW, Washington, DC 20036. Phone: (202) 429-2401. Accepts Medicare assignment. In 2024, Luther L. Ampey Iii had 148 Original Medicare patients and 2,628 services. NPI 1063457372. 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: 1145 19th St NW, 311 Mmg at 19th Street NW, Washington, DC 20036 · Directions
  • Phone: (202) 429‑2401
  • Medicare: Accepts Medicare assignment
  • Hospital: MedStar Montgomery Medical Center
  • Group practice: MedStar Medical Group II LLC
  • Medical school: University Of Virginia School Of Medicine · graduated 1992 (34 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Luther L. Ampey Iii, 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 Luther L. Ampey Iii accept Medicare assignment?
Yes. Medicare's clinician data says Luther L. Ampey Iii 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 Luther L. Ampey Iii see?
In 2024, CMS data shows 148 Original Medicare patients and 2,628 services for Luther L. Ampey Iii. This counts Original Medicare only and measures volume, not quality.
What is Luther L. Ampey Iii's NPI number?
1063457372. 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 Luther L. Ampey Iii, 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 patients148
Services billed to Medicare2,628
Different services or procedures21
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)1,051 services
  2. Calculation of radiation therapy dose (77300)413 services
  3. Design and construction of complex radiation treatment device (77334)350 services
  4. Radiation treatment management, 5 treatment sessions (77427)234 services
  5. Complex radiation therapy planning (77263)98 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol73%
  • Arthritis46%
  • Diabetes32%
  • Ischemic heart disease24%

Hospitals where Luther L. Ampey Iii works

Medicare's Facility Affiliation Data lists Luther L. Ampey Iii 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 Luther L. Ampey Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Luther L. Ampey Iii as a member of this group (CMS data updated October 2, 2026).

  • MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

Find other Radiation Oncology doctors in District of Columbia →

Other radiation oncologists in Washington

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

All radiation oncologists in Washington →

Other clinicians in MedStar Medical Group II LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1063457372
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