Karem Gharzeddine, MD

Medicare activity in 2024

Official CMS public-use data for Karem Gharzeddine, 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 scan head or brain without contrast (70450)310 services
2. Mri scan of brain before and after contrast (70553)226 services
3. Mri scan of lower spinal canal before and after contrast (72158)140 services
4. Mri scan of upper spinal canal before and after contrast (72156)134 services
5. Mri scan of middle spinal canal before and after contrast (72157)130 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)58%
• Arthritis56%
• Anxiety50%
• Ischemic heart disease40%

Hospitals where Karem Gharzeddine works

Medicare's Facility Affiliation Data lists Karem Gharzeddine 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.

• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101

Practice locations

Addresses where Karem Gharzeddine is enrolled with Medicare (CMS data updated October 2, 2026).

• 1275 York AveNew York, NY 10065 (212) 639‑2000

Group practices

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

• MSKCC Radiology Group193 clinicians in the group
• Memorial Nuclear Medicine Group38 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in New York →

Other radiologists in New York

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

• Joseph Weissbrot, MD
• Tova C. Koenigsberg, MD
• Sara C. Lewis, MD
• William Alago, MD
• Pooja Renjen, MD
• Cody Demarco, MD
• Lynn Chinitz, MD
• Matthew P. Moy, MD

All radiologists in New York →

Other clinicians in MSKCC Radiology Group

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

• Laura C. Kounev, NP
• Laurent Dercle
• Anne B. McGroarty, NP
• Rachel G. Spira, MD
• Cihan Duzgol, MD
• Victoria L. Mango, 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