Dionisios G. Mihalatos, MD

Medicare activity in 2024

Official CMS public-use data for Dionisios G. Mihalatos, 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)806 services
2. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)307 services
3. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)241 services
4. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)203 services
5. Ultrasound of heart blood flow, valves and chambers (93320)187 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%
• Ischemic heart disease75%
• Arthritis61%
• Atrial fibrillation52%
• Heart failure51%

Hospitals where Dionisios G. Mihalatos works

Medicare's Facility Affiliation Data lists Dionisios G. Mihalatos 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.

• St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182

Practice locations

Addresses where Dionisios G. Mihalatos is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6000
• 2200 Northern Blvd, 100c St Francis DiagnosticGreenvale, NY 11548 (516) 325‑7400

Group practices

Medicare enrollment lists Dionisios G. Mihalatos as a member of these groups (CMS data updated October 2, 2026).

• CHS Physician Partners PC743 clinicians in the group
• St Francis Cardiac Prevention Services PC62 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

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

Other cardiologists in Roslyn

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

• Ralph F. Caselnova, MD
• Ambrose M. Vallone, MD
• Lily Zhang, MD
• Mark Grudman, MD
• Eddy Barasch, MD
• Michael C. Happes, MD
• Louise A. Spadaro, MD
• Sidharth Yadav, MD

All cardiologists in Roslyn →

Other clinicians in CHS Physician Partners PC

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

• Dilip V. Patel, MD
• Ann Arackal, DO
• M Joseph Vitoulis, DO
• Michele Sampino, PA
• Gina Luciano
• Bailey Zampella, 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