Joanne M. Kechejian, MD

Medicare activity in 2024

Official CMS public-use data for Joanne M. Kechejian, 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 moderate level of decision making, if using time, 30 minutes or more (99214)857 services
2. Insertion of needle into vein for collection of blood sample (36415)673 services
3. Blood test, comprehensive group of blood chemicals (80053)542 services
4. Complete blood cell count (red cells, white blood cell, platelets), automated test (85027)504 services
5. Microscopic examination for white blood cells with manual cell count (85007)500 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%
• Arthritis52%
• Ischemic heart disease31%
• Diabetes23%
• Osteoporosis22%

Hospitals where Joanne M. Kechejian works

Medicare's Facility Affiliation Data lists Joanne M. Kechejian 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
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Joanne M. Kechejian is enrolled with Medicare (CMS data updated October 2, 2026).

• 59 Southern BlvdNesconset, NY 11767 (631) 659‑1700

Group practices

Medicare enrollment lists Joanne M. Kechejian as a member of this group (CMS data updated October 2, 2026).

• North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Nesconset

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

• Glenn Rosett, MD
• Barbara Stumacher, MD
• Nidhi Dugar, MD
• Barbara Jean Wilk
• Richard N. Sabinsky, MD

All internal medicine doctors in Nesconset →

Other clinicians in North Shore Medical Group of the Mount Sinai School of Medicine

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

• Howard J. Greenberg, MD
• Ritha Alhindawi, MD
• Mala M. Balakumar, MD
• Irving S. Levine, MD
• Valaine Hewitt, MD
• David Li, 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