Summary

Dr. Oana Olaru is an internal medicine physician who specializes in hospital medicine, bringing 29 years of clinical experience to her practice. She earned her medical degree from Universitatea De Medicina Si Farmacie Grigore T Popa, establishing a strong foundation for her career in internal medicine and hospital-based care.

Dr. Olaru is affiliated with Edward Hospital and practices at Edward Heart Hospital in Naperville, Illinois. Her expertise includes treating serious conditions such as sepsis in adult and pediatric patients, including newborns requiring specialized care. She performs essential diagnostic tests including comprehensive blood work and metabolic panels to help diagnose and monitor patient conditions. Patients rate her an average of 4.0 out of 5 stars for her care.

Overview based on verified provider data

Quick Facts

  • 4
  • 29 years of experience
  • 48 insurance plans accepted
  • Universitatea De Medicina Si Farmacie Grigore T Popa
  • 1 written review
  • 2 specialties
  • 5 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Edward Heart Hospital

801 S Washington StNaperville, IL 60540

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Dr. Oana Olaru, MDDr. Ivo K Genev, MDDr. Alexander I Green, MDDr. Omar Oliveros, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
29 Years of Experience 30 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Polish Speaks Spanish, English
Naperville , ILMaywood , ILMaywood , ILBerwyn , IL
Med School: Universitatea De Medicina Si Farmacie Grigore T Popa Med School: Universidad Libre De Colombia Facultad De Ciencias De La Salud
Current Profile
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Insurance Plans Accepted by Dr. Oana Olaru

  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Aetna Better Health - Medicaid
  • Aetna Better Health - Medicaid (Managed)
  • Aetna Better Health - Medicare
  • Allianz Worldwide Care
  • Ambetter
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Illinois
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Cigna-HealthSpring - HMO
  • Cigna-HealthSpring - Medicare
  • Devoted Health
  • EmblemHealth
  • Golden Rule
  • HealthPartners
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Humana - PPO
  • Medica - Medicare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meridian Health Plan
  • Meridian Health Plan - Medicaid (Managed)
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • North Shore LIJ CareConnect - Medicare (Advantage HMO)
  • Oscar Health Insurance
  • Priority Health
  • SummaCare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Wellcare

Medical Specialties

Dr. Oana Olaru has the following 2 specialties

Specialty Expertise

Dr. Oana Olaru has the following 5 areas of expertise

  • Chest Pain
  • Gastrointestinal Bleeding
  • Hospital Medicine
  • Meningitis
  • Pneumonia

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Universitatea De Medicina Si Farmacie Grigore T PopaGraduated in 1997

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Frequently Asked Questions

Where is Dr. Oana Olaru's office located?
Dr. Oana Olaru's office is located at 801 S Washington St, Naperville, IL, 60540.
Does Dr. Oana Olaru accept my insurance?
You can see the insurance plans that Dr. Oana Olaru accepts on their Vitals profile.
How can I make an appointment with Dr. Oana Olaru?
You can find contact information for Dr. Oana Olaru here on Vitals.
Which hospitals is Dr. Oana Olaru affiliated with?
Dr. Oana Olaru is affiliated with Edward Hospital.
Is Dr. Oana Olaru accepting new patients?
Dr. Oana Olaru has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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