Summary

Dr. Luiziana Marinescu specializes in rheumatology and internal medicine, bringing nearly three decades of medical expertise to her practice. She earned her medical degree from Universitatea De Medicina Si Farmacie Carol Davila and completed her residency at North Shore University Hospital. With 29 years of experience treating complex autoimmune and musculoskeletal conditions, Dr. Marinescu provides comprehensive care for patients with various rheumatic diseases. She is fluent in Spanish and Chinese, allowing her to communicate effectively with diverse patient populations.

Dr. Marinescu practices at multiple locations throughout Smithtown and Port Jefferson, New York, and maintains affiliations with Stony Brook University Hospital. Her clinical expertise includes treating rheumatoid arthritis and osteoporosis, including the juvenile form that affects younger patients. She performs blood testing to monitor disease progression and administers infusion therapy and chemotherapy for patients requiring specialized treatment approaches. Patients have given Dr. Marinescu an average rating of 4.3, reflecting their confidence in her comprehensive approach to rheumatologic care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 29 years of experience
  • 35 insurance plans accepted
  • speaks Spanish, Chinese
  • North Shore University Hospital
  • 12 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Female

Office Locations

Dr. Luiziana Manuela Marinescu has 3 locations

Rheumatology Associates Of Long Island

315 E MAIN ST STE 6SMITHTOWN, NY 11787
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu12:00 pm - 7:00 pm
Fri9:00 am - 3:00 pm
SatClosed
SunClosed

Mather Hospital

75 N Country RdPort Jefferson, NY 11777

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Dr. Luiziana Manuela Marinescu, MD
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Dr. Luiziana Manuela Marinescu, MDDr. Michael Lee Gross, MDDr. Luke Klee Mueller, MDDr. Stanley Raymond Fine, MD
RheumatologyRheumatologyDiagnostic RadiologyAllergy & Immunology
Accepts New Patients Accepts New Patients
4.3 
3.8 
4.8 
29 Years of Experience 31 Years of Experience 17 Years of Experience 69 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese Speaks English, Spanish
SMITHTOWN , NYParamus , NJNew Hyde Park , NYFlushing , NY
Med School: Universitatea De Medicina Si Farmacie Carol Davila Med School: Sackler School Of Medicine Med School: Rutgers Robert Wood Johnson Medical School Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Dr. Luiziana Manuela Marinescu

  • Accepts Medicare
  • Accepts Medicaid
  • 1199SEIU
  • AARP
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CareSource
  • CHAMPVA - HMO
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Fidelis Care (NY)
  • First Health (Coventry Health Care)
  • GEHA
  • Health First Health Plans
  • Health First Health Plans - Medicaid
  • HealthFirst (NY)
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Northwell Direct
  • Palmetto GBA
  • Palmetto GBA - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Dr. Luiziana Manuela Marinescu has the following 2 specialties

Specialty Expertise

Dr. Luiziana Manuela Marinescu has the following 9 areas of expertise

  • Gout
  • Hip Osteoarthritis
  • Internal Medicine
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

29 Years Experience

Dr. Luiziana Manuela Marinescu holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2026.

Education & Training

Residency

Completed their residency at North Shore University Hospital.

Medical School

Graduated from Universitatea De Medicina Si Farmacie Carol Davila in 1997.

NPI Number

Dr. Marinescu's NPI number is 1790978096.

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Frequently Asked Questions

Where is Dr. Luiziana Marinescu's office located?
Dr. Luiziana Marinescu's office is located at 315 E MAIN ST STE 6, SMITHTOWN, NY, 11787.
Which hospitals is Dr. Luiziana Marinescu affiliated with?
Dr. Luiziana Marinescu is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
How can I make an appointment with Dr. Luiziana Marinescu?
You can find contact information for Dr. Luiziana Marinescu here on Vitals.
Does Dr. Luiziana Marinescu accept my insurance?
You can see the insurance plans that Dr. Luiziana Marinescu accepts on their Vitals profile.
Is Dr. Luiziana Marinescu accepting new patients?
Dr. Luiziana Marinescu is accepting new patients on Vitals. View Dr. Luiziana Marinescu's profile on Vitals to make an appointment.

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