Martin S. Kneller, MD

Medicare activity in 2024

Official CMS public-use data for Martin S. Kneller, 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.

Most frequent services

1. X-ray of chest, 1 view (71045)3,469 services
2. X-ray of chest, 2 views (71046)693 services
3. X-ray of foot, minimum of 3 views (73630)235 services
4. X-ray of shoulder, minimum of 2 views (73030)222 services
5. X-ray of knee, 4 or more views (73564)198 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%
• High cholesterol75%
• Arthritis65%
• Ischemic heart disease44%
• Diabetes42%
• Chronic kidney disease35%

Hospitals where Martin S. Kneller works

Medicare's Facility Affiliation Data lists Martin S. Kneller 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.

• Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005
• George Washington University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 090001
• Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210065
• Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005

Practice locations

Addresses where Martin S. Kneller is enrolled with Medicare (CMS data updated October 2, 2026).

• 900 23rd St NWWashington, DC 20037 (202) 715‑4000

Group practices

Medicare enrollment lists Martin S. Kneller as a member of this group (CMS data updated October 2, 2026).

• Medical Faculty Associates, Inc672 clinicians in the group

Specialties

• Radiation Oncologyprimary

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.

• Danny Song, MD
• Adedamola Omogbehin, MD
• Nitika Paudel, MD
• Jonathan Lischalk, MD
• Rachit Kumar, MD
• Kristin J. Redmond, MD
• Pamela D. Randolph Jackson, MD
• Stephen Greco, MD

All radiation oncologists in Washington →

Other clinicians in Medical Faculty Associates, Inc

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

• Adam J. Rutenberg, DO
• Karen Fagan, MD
• Ali Pourmand, MD
• Carlos E. Sanchez, MD
• Zachary Zimmer, MD
• Ted L. Rothstein, MD

Clinician information

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