Alexander C. Kagen, MD

Medicare activity in 2024

Official CMS public-use data for Alexander C. Kagen, 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, gadobutrol, 0.1 ml (A9585)5,379 services
2. Mri scan of abdomen before and after contrast (74183)209 services
3. Mri scan of pelvis before and after contrast (72197)152 services
4. Injection, gadoxetate disodium, 1 ml (A9581)120 services
5. Mri scan of abdomen without contrast (74181)26 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%
• Arthritis45%
• Diabetes38%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%
• Ischemic heart disease34%

Hospitals where Alexander C. Kagen works

Medicare's Facility Affiliation Data lists Alexander C. Kagen 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.

• Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
• Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
• Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

Addresses where Alexander C. Kagen is enrolled with Medicare (CMS data updated October 2, 2026).

• 1176 5th AveNew York, NY 10029 (212) 241‑8395

Group practices

Medicare enrollment lists Alexander C. Kagen as a member of this group (CMS data updated October 2, 2026).

• Fpa Hospital Based425 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.

• Karim J. Rebeiz, MD
• Pamela T. Johnson, MD
• Mariya Kobi, MD
• Deddeh M. Ballah-Leahey, MD
• Dennis Gilroy, DO
• Douglas Hertford, MD
• Andrea S. Kierans, MD
• Owen B. Gantz, MD

All radiologists in New York →

Other clinicians in Fpa Hospital Based

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

• Karen M. Lee, MD
• Frederick Lam, CNA
• Gregory Fernandez, MD
• Richard Stern, MD
• Ajit S. Fernandes, MD
• Eric W. Franz, 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