Isaac Gammal, MD

Medicare activity in 2024

Official CMS public-use data for Isaac Gammal, 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. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)249 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)210 services
3. X-ray of hand, minimum of 3 views (73130)161 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)155 services
5. X-ray of shoulder, minimum of 2 views (73030)134 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%
• Arthritis72%
• Diabetes57%
• Ischemic heart disease36%
• Anxiety25%

Hospitals where Isaac Gammal works

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

• 4802 10th AveBrooklyn, NY 11219 (718) 283‑7400

Group practices

Medicare enrollment lists Isaac Gammal as a member of these groups (CMS data updated October 2, 2026).

• Maimonides Faculty Practice Plan252 clinicians in the group
• Maimonides Medical Center Orthopaedic FPP26 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in Brooklyn

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

• Todd B. Soifer, MD
• Qais Naziri, MD
• Danielle Scher, MD
• Ivan Golub, MD
• Henry M. Tischler, MD
• Melvin Tepler, MD
• Christopher M. Scanlon, MD
• Jad Bou Monsef, MD

All orthopedic surgeons in Brooklyn →

Other clinicians in Maimonides Faculty Practice Plan

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

• Michael G. Marcus, MD
• Daniel Steinberg, MD
• Shlomo Reichman
• Zhi Peng Li, PA
• Riya Jibi, NP
• Pik-Kei P. Young, PA

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