Arun Alagappan, MD

Medicare activity in 2024

Official CMS public-use data for Arun Alagappan, 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. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 services
2. Anesthesia for lens surgery (00142)12 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%
• Anxiety45%
• Arthritis43%
• Diabetes41%
• Depression35%

Hospitals where Arun Alagappan works

Medicare's Facility Affiliation Data lists Arun Alagappan 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.

• Newark-Wayne Community HospitalNewark, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330030
• Rochester General HospitalRochester, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330125
• Unity HospitalRochester, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330226

Practice locations

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

• 1200 Driving Park AveNewark, NY 14513 (315) 332‑2266
• 1425 Portland AveRochester, NY 14621 (585) 922‑4000
• 1555 Long Pond RdRochester, NY 14626 (585) 723‑4000
• 17 Lansing StAuburn, NY 13021 (315) 255‑7011

Group practices

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

• Rochester General Hospital1,182 clinicians in the group
• The Unity Hospital of Rochester736 clinicians in the group
• Newark Wayne Community Hospital132 clinicians in the group
• Auburn Medical PC25 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Newark

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

• Diemthuy Nguyen, MD
• Jonathon L. Miller, MD
• Stephen G. Comella, MD
• William B. Davis, MD
• Salvatore Mauro Jr., MD
• Paul L. Guadagnino, MD
• Christie M. Perez Johnson, MD
• Michael P. Davenport, MD

All anesthesiologists in Newark →

Other clinicians in Rochester General Hospital

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

• Sarah M. Thornton, NP
• Franziska Haydanek, DO
• Rania R. Ayyad, MD
• Saif Ur Rehman, MD
• Rachel David, MD
• Martin Belfield, NP

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