3.5
17 Ratings with 3 written Reviews
Summary
Dr. Iheanyichukwu Aja-Onu is a gastroenterologist who has dedicated four decades to treating digestive health conditions. He earned his medical degree from the University of Nigeria Faculty of Medicine and brings extensive experience to his practice. Dr. Aja-Onu is fluent in both English and Spanish, helping him connect with a diverse patient population.
Dr. Aja-Onu practices at Mercy Medical Center in Freeport, New York. He specializes in treating gastrointestinal bleeding and hemorrhoids, helping patients find relief from these common digestive concerns. His expertise includes performing colonoscopies and upper endoscopies to diagnose and treat various conditions. Patients have given him an average rating of 3.5 out of 5 on Vitals.
Dr. Aja-Onu practices at Mercy Medical Center in Freeport, New York. He specializes in treating gastrointestinal bleeding and hemorrhoids, helping patients find relief from these common digestive concerns. His expertise includes performing colonoscopies and upper endoscopies to diagnose and treat various conditions. Patients have given him an average rating of 3.5 out of 5 on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 40 years of experience
- speaks English, Spanish
- University Of Nigeria Faculty Of Medicine
- 3 written reviews
- 1 specialty
- 6 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Aja Onu Office
3 N Main St Fl 2Freeport, NY 11520 Tel: (516) 623-5076
Mon9:30 am - 4:30 pm
Tue10:30 am - 7:00 pm
Wed9:30 am - 4:30 pm
Thu9:30 am - 4:30 pm
Fri9:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Iheanyichukwu Aja-Onu, MD | Dr. Weidan Zhao, MD | Dr. Kristen Kyong Lee, MD | Dr. Michael Schopis, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 40 Years of Experience | 17 Years of Experience | 9 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| Freeport , NY | New York , NY | New York , NY | New York , NY |
| Med School: University Of Nigeria Faculty Of Medicine | Med School: University of Toledo | Med School: Cornell University | Med School: University Of Toledo College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Iheanyichukwu Aja-Onu
Medical Specialties
Dr. Iheanyichukwu Aja-Onu has the following specialty
Specialty Expertise
Dr. Iheanyichukwu Aja-Onu has the following 6 areas of expertise
Certifications, License, & Education
40 Years Experience
Dr. Iheanyichukwu Aja-Onu holds an expired medical license in the state of New York.
Medical License
Medical Doctor with an expired medical license in the state of New York that expired in 2026.
Education & Training
Medical School
Graduated from University Of Nigeria Faculty Of Medicine in 1986.
NPI Number
Dr. Aja-Onu's NPI number is 1720077944.
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Frequently Asked Questions
- Where is Dr. Iheanyichukwu Aja-Onu's office located?
- Dr. Iheanyichukwu Aja-Onu's office is located at 3 N Main St Fl 2, Freeport, NY, 11520.
- Which hospitals is Dr. Iheanyichukwu Aja-Onu affiliated with?
- Dr. Iheanyichukwu Aja-Onu is affiliated with Mercy Medical Center.
- How can I make an appointment with Dr. Iheanyichukwu Aja-Onu?
- You can find contact information for Dr. Iheanyichukwu Aja-Onu here on Vitals.
- Does Dr. Iheanyichukwu Aja-Onu accept my insurance?
- You can see the insurance plans that Dr. Iheanyichukwu Aja-Onu accepts on their Vitals profile.
- Does Dr. Iheanyichukwu Aja-Onu accept virtual/telehealth appointments?
- Dr. Iheanyichukwu Aja-Onu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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