Dr. Iheanyichukwu Aja-Onu, MD

Gastroenterology  |  
Male  |  
Age 53
(8)
Insurances AcceptedSave
Dr. Iheanyichukwu Aja-Onu, MD
Dr. Iheanyichukwu Aja-Onu, MD is a gastroenterology doctor who practices in Freeport, NY. He is 53 years old and has been practicing for 31 years. Dr. Aja-Onu is affiliated with Saint John's Episcopal Hospital at South Shore, Mercy Medical Center and South Nassau Communities Hospital.

3 N Main St Fl 2

Freeport, NY 11520

Contact Information
Dr. Iheanyichukwu Aja-Onu, MD

Dr. Iheanyichukwu Aja-Onu, MD

Accepted insurance

  • Aetna
  • Blue Cross Blue Shield of Louisiana
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • HealthFirst
  • MultiPlan
  • Oxford Health Plans
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Aja-Onu

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Aja-Onu performs your care needs compared to other doctors.

Gastrointestinal Bleeding
very high
more than 97% of peers
Abdominal Disorders
very high
more than 97% of peers
Ulcer
very high
more than 96% of peers

Dr. Aja-Onu's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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1

Specialties

  • Gastroenterology
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
83

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal Prolapse
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cirrhosis
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gallstones
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastrojejunal Ulcer
  • Gastroparesis
  • Heartburn
  • Hemorrhoids
  • Hepatitis A
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hepatorenal Syndrome
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Liver Damage from Alcohol
  • Malnutrition
  • Mesenteric Panniculitis
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vascular Insufficiency of Intestines
  • Viral Enteritis
  • Viral Hepatitis
  • Viral Infection
  • Vomiting Disorders

More

Read More
15

Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Acid Reflux Surgery
  • Anoscopy
  • Bile Duct Procedure
  • Biliary Drainage
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Fecal Impaction Removal
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Incision and Removal of Foreign Object
  • Liver Biopsy
  • Manometry

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University Of Nigeria
    Medical School | Graduated 1986
  • St Johns Espiscpl Hsp S Shr
    Residency Hospital | Completed
  • SUNY Health Science Center Brooklyn
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Aja-Onu has no media or publications listed.

Languages Spoken

  • English
  • Afrikaans

Memberships & Professional Affiliations

Dr. Aja-Onu does not have any memberships or affiliations listed. If you are Dr. Aja-Onu and would like to add memberships or affiliations, please update your profile.

Dr. Aja-Onu's Reviews

Likelihood of recommending Dr. Aja-Onu to family and friends
3.3
based on 8 total reviews (1 with a comment)
Dr. Aja-Onu's Performance
  • Trustworthiness
    VERY GOOD
  • Explains condition(s) well
    VERY GOOD
  • Answers Questions
    GOOD
  • Time well spent
    GOOD
Office & Staff Performance
  • Scheduling
    VERY GOOD
  • Office environment
    FAIR
  • Staff friendliness
    VERY GOOD
  • Average wait time
    Over 45 minutes
Patient Comments (1)
in Far Rockaway, NY |
The following words describes my experience with Dr Aja Onu: CARING, GOOD LISTENER, DEDICATED, INTELLIGENT, COMPASSIONATE, COMMITTED, HEALING, REASSURING AND EXCELLENT!
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Dr. Aja-Onu accepts 10 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield of Louisiana
    BlueConnect HMO
  • Capital District Physician's Health Plan (CDPHP)
    Capital District Physician's Health Plan (CDPHP) HMO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • EmblemHealth
    Health Insurance Plan of Greater New York (HIP) PPO
  • Empire Blue Cross Blue Shield
    Empire Blue Cross Blue Shield HMO
  • HealthFirst
    ABCD HMO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • Oxford Health Plans
    Freedom Plan
  • UnitedHealthCare
    Oxford Liberty

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Aja-Onu has admitting privileges

South Nassau Communities Hospital
One Healthy Way
Oceanside, NY 11572
View Hospital Profile
Mercy Medical Center
1000 N Village Ave
Rockville Centre, NY 11570
View Hospital Profile
Saint John's Episcopal Hospital at South Shore
327 Beach 19th St
Far Rockaway, NY 11691
View Hospital Profile