Mersema T. Abate, MD

Medicare activity in 2024

Official CMS public-use data for Mersema T. Abate, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)150 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)145 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)112 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)48 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 disease75%
• Diabetes73%
• Ischemic heart disease54%
• Heart failure47%

Hospitals where Mersema T. Abate works

Medicare's Facility Affiliation Data lists Mersema T. Abate 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.

• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106

Practice locations

Addresses where Mersema T. Abate is enrolled with Medicare (CMS data updated October 2, 2026).

• 27005 75th AveNew Hyde Park, NY 11040 (718) 470‑7000

Group practices

Medicare enrollment lists Mersema T. Abate as a member of this group (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in New York →

Other nephrologists in New Hyde Park

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

• Monica Kaul, MD
• Aydin M. Olgun, DO
• Mario Marotta, MD
• Nupur N. Uppal
• Sungsoo Kim, MD
• David A. Faitell, MD
• Suk Hyeon Yun, MD
• Prashant Bhenswala, MD

All nephrologists in New Hyde Park →

Other clinicians in North Shore-Lij Medical PC

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

• John J. Gatto, PA
• Elizabeth S. Lepski, NP
• Uzoamaka G. Aniagba, MD
• Sandeep Jauhar, MD
• Miriam A. Smith, MD
• Magali M. Parisien, 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