Morton J. Kleiner, MD

Medicare activity in 2024

Official CMS public-use data for Morton J. Kleiner, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)341 services
2. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)172 services
3. Insertion of needle into vein for collection of blood sample (36415)108 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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%
• Chronic kidney disease70%
• Diabetes63%
• Arthritis52%
• Ischemic heart disease48%

Hospitals where Morton J. Kleiner works

Medicare's Facility Affiliation Data lists Morton J. Kleiner 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.

• Staten Island University HospitalStaten Island, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330160

Practice locations

Addresses where Morton J. Kleiner is enrolled with Medicare (CMS data updated October 2, 2026).

• 375 Seguine AveStaten Island, NY 10309 (718) 226‑2000
• 470 Seaview AveStaten Island, NY 10305 (718) 987‑5942

Group practices

Medicare enrollment lists Morton J. Kleiner as a member of this group (CMS data updated October 2, 2026).

• Island Nephrology Services PC13 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in New York →

Other nephrologists in Staten Island

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

• Suzanne E. El Sayegh, MD
• Jaudat H. Khan, MD
• Kernilde F. Jean-Jerome, MD
• Sunithi Vinay, MD
• Militza K. Kiroycheva, MD
• Reynaldo G. Tan, MD
• Adel S. El-Hennawy, MD
• Judith McLoughlin, MD

All nephrologists in Staten Island →

Other clinicians in Island Nephrology Services PC

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

• Michael M. Goldman, MD
• Suzanne E. El Sayegh, MD
• Elie El-Charabaty, MD
• Hassan Abbas, MD
• Solomon Dalezman, MD
• Anna S. Gutman, 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