Chrisoula Politis, MD

Medicare activity in 2024

Official CMS public-use data for Chrisoula Politis, 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. Critical care, first 30-74 minutes (99291)206 services
2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)86 services
3. Sleep study including heart rate, breathing, airflow, and effort (95806)83 services
4. Sleep study in sleep lab (6 years or older) (95810)20 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%
• Diabetes59%
• Arthritis56%
• Ischemic heart disease50%
• Chronic kidney disease47%

Hospitals where Chrisoula Politis works

Medicare's Facility Affiliation Data lists Chrisoula Politis 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.

• Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330259

Practice locations

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

• 1000 N Village AveRockville Center, NY 11570 (516) 705‑1353

Group practices

Medicare enrollment lists Chrisoula Politis as a member of this group (CMS data updated October 2, 2026).

• Mercy Internal Medicine PC10 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• Internal Medicinealso
• Pulmonary Diseasealso

Find other Critical Care (Intensivists) doctors in New York →

Other critical care doctors in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Alexander Telis, MD
• Ryan K. Dean, DO
• Wajih Aksamawati Dit Arja, MD
• Ayush Sutaria, MD
• George Robert, MD
• Eugene Shostak, MD
• David S. Eshak, MD
• Adrian A. Salmon, MD

All critical care doctors in New York →

Other clinicians in Mercy Internal Medicine PC

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

• Bhanu Siva Kumar R. Sabbula
• Leon Mullen, MD
• Alexander Telis, MD
• Xenophon P. Xenophontos, MD
• Emmanouil Tsounias, 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