Constantine Monzidelis Jr., MD

Medicare activity in 2024

Official CMS public-use data for Constantine Monzidelis Jr., 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)482 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)339 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)292 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)244 services
5. Injection, regadenoson, 0.1 mg (J2785)240 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%
• Arthritis54%
• Ischemic heart disease52%
• Diabetes44%
• Chronic kidney disease33%

Hospitals where Constantine Monzidelis Jr. works

Medicare's Facility Affiliation Data lists Constantine Monzidelis Jr. 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.

• Good Samaritan Hospital of SuffernSuffern, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330158
• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101
• Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104

Practice locations

Addresses where Constantine Monzidelis Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 255 Lafayette AveSuffern, NY 10901 (845) 368‑5000
• 300 Crystal Run RdMiddletown, NY 10941 (845) 692‑6999

Group practices

Medicare enrollment lists Constantine Monzidelis Jr. as a member of these groups (CMS data updated October 2, 2026).

• Crystal Run Healthcare Physicians LLP362 clinicians in the group
• Bon Secours Charity Health System Medical Group, P.C.157 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Suffern

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

• Yoram Amsalem, MD
• Andrew Najovits, MD
• Muhammad Aminullah, MD
• Richard Cantor, MD
• Maria Sobolev, MD
• Amala Chirumamilla, MD

All cardiologists in Suffern →

Other clinicians in Crystal Run Healthcare Physicians LLP

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

• Tal Ronen, MD
• Fatima Flood, MD
• Lydia Torres, DO
• Sanjeev Baldeo, DPM
• Funsho R. Busari-Alabi, MD
• Justin Conway, 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