Ramona O. Rajapakse, MD

Medicare activity in 2024

Official CMS public-use data for Ramona O. Rajapakse, 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 low level od decision making, if using time, 20 minutes or more (99213)107 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)105 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)69 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)67 services
5. Biopsy of large bowel using a flexible endoscope (45380)57 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 cholesterol75%
• High blood pressure74%
• Arthritis53%
• Ischemic heart disease33%
• Diabetes28%
• Anxiety28%

Hospitals where Ramona O. Rajapakse works

Medicare's Facility Affiliation Data lists Ramona O. Rajapakse 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.

• John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Ramona O. Rajapakse is enrolled with Medicare (CMS data updated October 2, 2026).

• 70 N Country Rd, Suite 101Port Jefferson, NY 11777 (631) 978‑7700

Group practices

Medicare enrollment lists Ramona O. Rajapakse as a member of this group (CMS data updated October 2, 2026).

• Harbor View Medical Services PC58 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Port Jefferson

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

• Karina Fatakhova, MD
• Arain M. Nawaz, MD
• Ali S. Karakurum, MD

All gastroenterologists in Port Jefferson →

Other clinicians in Harbor View Medical Services PC

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

• Alessandra Byer
• Katlyn A. Conville, NP
• Deborah Ushkow, MD
• Christine M. Fruth Giacobbe, MD
• Georgia R. Kulina, MD
• Jessica L. Blydenburgh, 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