3.5
17 Ratings with 3 written Reviews
Summary
Dr. Iheanyichukwu Aja-Onu is a gastroenterologist who specializes in diagnosing and treating disorders of the digestive system. He earned his medical degree from the University of Nigeria Faculty of Medicine and has been practicing for four decades. Dr. Aja-Onu is fluent in English and Spanish, allowing him to serve a diverse patient population.
Dr. Aja-Onu practices at Mercy Medical Center and sees patients at his office in Freeport, NY. He has extensive experience treating gastrointestinal bleeding and hemorrhoids. His expertise includes performing colonoscopies, upper endoscopies, and laparoscopic procedures to help diagnose and treat digestive health issues. Patients have given him an average rating of 3.5 stars on Vitals.
Dr. Aja-Onu practices at Mercy Medical Center and sees patients at his office in Freeport, NY. He has extensive experience treating gastrointestinal bleeding and hemorrhoids. His expertise includes performing colonoscopies, upper endoscopies, and laparoscopic procedures to help diagnose and treat digestive health issues. Patients have given him an average rating of 3.5 stars 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 board certification
- 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. Daniel Perl, MD | Dr. Connie Park, MD | Dr. Donelle Cummings, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 40 Years of Experience | 11 Years of Experience | 14 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English, Spanish, Portuguese |
| Freeport , NY | NEW YORK , NY | New York , NY | New York , NY |
| Med School: University Of Nigeria Faculty Of Medicine | Med School: Icahn School Of Medicine At Mount Sinai | Med School: State University of New York | Med School: Case Western Reserve University School 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.
Similar doctors
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.
- 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.
- Is Dr. Iheanyichukwu Aja-Onu accepting new patients?
- Dr. Iheanyichukwu Aja-Onu is accepting new patients on Vitals. View Dr. Iheanyichukwu Aja-Onu's profile on Vitals to make an appointment.
- Which hospitals is Dr. Iheanyichukwu Aja-Onu affiliated with?
- Dr. Iheanyichukwu Aja-Onu is affiliated with Mercy Medical Center.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
