Regina L. Jablonski, MD

Medicare activity in 2024

Official CMS public-use data for Regina L. Jablonski, 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. Injection, ferric carboxymaltose, 1 mg (J1439)46,500 services
2. Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)18,900 services
3. Injection, iron sucrose, 1 mg (J1756)10,600 services
4. Injection, pembrolizumab, 1 mg (J9271)8,400 services
5. Injection, denosumab, 1 mg (J0897)6,180 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%
• Arthritis55%
• Ischemic heart disease41%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
• Diabetes37%

Hospitals where Regina L. Jablonski works

Medicare's Facility Affiliation Data lists Regina L. Jablonski 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
• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
• 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 Regina L. Jablonski is enrolled with Medicare (CMS data updated October 2, 2026).

• 1500 Route 112, Suite 101Port Jefferson Station, NY 11776 (631) 751‑3000
• 49 Nesconset HwyPort Jefferson Station, NY 11776 (631) 751‑3000

Group practices

Medicare enrollment lists Regina L. Jablonski as a member of this group (CMS data updated October 2, 2026).

• North Shore Hematology Oncology Associates PC479 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in New York →

Other hematologist-oncologists in Port Jefferson Station

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

• Adriana Guigova, DO
• Yelda Nouri, MD
• Hira Chaudhary, MD
• Amory V. Novoselac, MD
• David Chu, MD
• Niculae Ciobanu, MD
• Giuseppe Condemi, MD
• Roy Chen, MD

All hematologist-oncologists in Port Jefferson Station →

Other clinicians in North Shore Hematology Oncology Associates PC

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

• Ramandeep Babbra, MD
• Tatiana M. Ricketts, MD
• Ana M. Colon Ramos
• Rusty T. Dreksler, NP
• Roberta A. Bianco, MD
• Angelina L. David, NP

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