James S. Butler, MD

Medicare activity in 2024

Official CMS public-use data for James S. Butler, 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. Ct guidance for insertion of radiation therapy fields (77014)655 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)161 services
3. Radiation treatment management, 5 treatment sessions (77427)115 services
4. Calculation of radiation therapy dose (77300)75 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)35 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• Diabetes59%
• Arthritis45%
• Ischemic heart disease44%

Hospitals where James S. Butler works

Medicare's Facility Affiliation Data lists James S. Butler 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.

• Maimonides Medical CenterBrooklyn, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330194
• New York Community Hospital of Brooklyn, Inc.Brooklyn, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330019

Practice locations

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

• 4802 10th AveBrooklyn, NY 11219 (718) 283‑5845
• 6300 8th AveBrooklyn, NY 11220 (718) 765‑2700

Group practices

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

• Maimonides Division of Radiation Oncology, FPP6 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in New York →

Other radiation oncologists in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

• Meng Shao, MD
• Hani L. Ashamalla, MD
• David M. Berlach, MD
• Bahaa E. Mokhtar, MD
• Shaun U. Din, MD
• Jonathan H. Klein, MD
• Bernadine Donahue, MD
• Raymond M. Luke, DO

All radiation oncologists in Brooklyn →

Other clinicians in Maimonides Division of Radiation Oncology, FPP

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

• David M. Berlach, MD
• Jonathan H. Klein, MD
• Bernadine Donahue, MD
• Jared P. Rowley, 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