Luiziana M. Marinescu, MD

Medicare activity in 2024

Official CMS public-use data for Luiziana M. Marinescu, 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, tocilizumab, 1 mg (J3262)45,957 services
2. Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)33,200 services
3. Injection, romosozumab-aqqg, 1 mg (J3111)22,051 services
4. Injection, golimumab, 1 mg, for intravenous use (J1602)16,004 services
5. Injection, denosumab, 1 mg (J0897)13,560 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%
• Arthritis75%
• Osteoporosis61%
• Diabetes33%
• Ischemic heart disease32%

Hospitals where Luiziana M. Marinescu works

Medicare's Facility Affiliation Data lists Luiziana M. Marinescu 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.

• 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 Luiziana M. Marinescu is enrolled with Medicare (CMS data updated October 2, 2026).

• 315 E Middle Country RdSmithtown, NY 11787 (631) 360‑7778
• 7 Medical DrPort Jefferson Station, NY 11776 (631) 928‑4885

Group practices

Medicare enrollment lists Luiziana M. Marinescu as a member of this group (CMS data updated October 2, 2026).

• Rheumatology Associates of Li LLP10 clinicians in the group

Specialties

• Rheumatologyprimary
• Internal Medicinealso

Find other Rheumatology doctors in New York →

Other rheumatologists in Smithtown

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

• Prachi D. Anand, MD
• Daniel Torres Leyva, MD
• Howard Blumstein, MD
• Max Hamburger, MD
• Mark Tan, MD
• Ashmia Saif, DO
• Mark A. Goldstein, MD

All rheumatologists in Smithtown →

Other clinicians in Rheumatology Associates of Li LLP

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

• Maryann J. Lee, MD
• Kristin J. Macdougall, MD
• Hong Xu, MD
• Daniel Torres Leyva, MD
• Ashmia Saif, DO
• Paul Schulman, 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