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Summary
Dr. Costello graduated from the Liberty University College of Osteopathic Medicine in 2021. She works in Peoria, IL and specializes in Internal Medicine, Critical Care Medicine and Pediatrics. Dr. Costello is affiliated with Carle Health Methodist Hospital, Osf Saint Francis Medical Center and Carle Health Proctor Hospital.
Quick Facts
- 5 years of experience
- 6 insurance plans accepted
- Liberty University College Of Osteopathic Medicine
- 3 specialties
- 4 areas of expertise
- 3 hospital affiliations
- 1 office location
- Female
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Jillian Marie Costello | Dr. Firas Aubeid, MD, MBA, FACP | Dr. Chidiebere Munachimso Opara, MD | Dr. Charles Steven Vandyke, MD |
| Internal Medicine | Internal Medicine | Pediatrics | Emergency Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 5 Years of Experience | 19 Years of Experience | 19 Years of Experience | 47 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Peoria , IL | NEW LENOX , IL | Peoria , IL | Pekin , IL |
| Med School: Liberty University College Of Osteopathic Medicine | Med School: University Of Aleppo Faculty Of Medicine | Med School: University Of Ibadan College Of Medicine | Med School: Rush Medical College Of Rush University Medical Center |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jillian Marie Costello
Medical Specialties
Dr. Jillian Marie Costello has the following 3 specialties
Specialty Expertise
Dr. Jillian Marie Costello has the following 4 areas of expertise
Certifications, License, & Education
5 Years Experience
MEDICAL LICENSE
Doctor Of Osteopathy, Illinois, 2026, Active
EDUCATION & TRAINING
Medical School
Liberty University College Of Osteopathic MedicineGraduated in 2021
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Frequently Asked Questions
- Which hospitals is Dr. Jillian Costello affiliated with?
- Dr. Jillian Costello is affiliated with Carle Health Methodist Hospital, Osf Saint Francis Medical Center, and Carle Health Proctor Hospital.
- How can I make an appointment with Dr. Jillian Costello?
- You can find contact information for Dr. Jillian Costello here on Vitals.
- Does Dr. Jillian Costello accept my insurance?
- You can see the insurance plans that Dr. Jillian Costello accepts on their Vitals profile.
- Is Dr. Jillian Costello accepting new patients?
- Dr. Jillian Costello has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Jillian Costello's office located?
- Dr. Jillian Costello's office is located at 530 Ne Glen Oak Ave, Peoria, IL, 61637.
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