Giancarlo Rondash, MD

Medicare activity in 2024

Official CMS public-use data for Giancarlo Rondash, 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. Emergency department visit with high level of medical decision making (99285)76 services
2. Emergency department visit with moderate level of medical decision making (99284)49 services
3. Critical care, first 30-74 minutes (99291)37 services
4. Emergency department visit with low level of medical decision making (99283)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%
• Diabetes43%
• Arthritis43%
• Anxiety35%
• Heart failure35%

Hospitals where Giancarlo Rondash works

Medicare's Facility Affiliation Data lists Giancarlo Rondash 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.

• Geneva General HospitalGeneva, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330058
• Soldiers and Sailors Memorial Hospital of YatesPenn Yan, NY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 331314

Practice locations

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

• 196 N StGeneva, NY 14456 (315) 787‑4533
• 418 N Main StPenn Yan, NY 14527 (315) 531‑2000

Group practices

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

• Geneva General Hospital, Inc85 clinicians in the group
• Soldiers and Sailors Memorial Hospital32 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Geneva

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

• Matthew R. Hershman, MD
• Bushra Ahmad, MD
• Luke M. Johnson, MD
• Albert Shih, MD
• Rokhsanna Sadeghi, MD
• Victoria Ditramontos, MD
• Matthew J. Firman, DO
• Daniel Saada, MD

All emergency medicine doctors in Geneva →

Other clinicians in Geneva General Hospital, Inc

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

• Matthew R. Hershman, MD
• Bushra Ahmad, MD
• Rawa Sarji, DO
• Jose Acevedo, MD
• Jennifer Mungari, MD
• Rachael B. Johengen, DO

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