IA
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Aja-Onu, Gastroenterologist in Freeport, NY?
Dr. Iheanyichukwu Aja-Onu, MD is a Gastroenterologist, who primarily practices in Freeport, NY with 1 additional practice location. He is board certified. Dr. Aja-Onu completed his residency at Suny Hlth Sci Ctr Brooklyn, Gastroenterology; St Johns Espiscpl Hsp-S Shr, Internal Medicine. Dr. Aja-Onu is fluent in English and Igbo, and is currently seeing new patients. Dr. Aja-Onu’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Aja-Onu’s office at (516) 623-5076.
Where did Dr. Aja-Onu go to medical school and complete their residency?
Residency: Suny Hlth Sci Ctr Brooklyn, Gastroenterology; St Johns Espiscpl Hsp-S Shr, Internal Medicine
Medical School: University Of Nigeria- Coll Of Med- Enugu- Anambra- Nigeria | University of Nigeria, Fac of Medicine
Is Dr. Aja-Onu board certified as a Gastroenterologist?
Yes, Dr. Iheanyichukwu Aja-Onu, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Aja-Onu speak?
Dr. Aja-Onu and their clinical team can communicate with patients in the following languages:
English
Igbo
What conditions does Dr. Aja-Onu treat?
As a Gastroenterologist, Dr. Aja-Onu diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Aja-Onu. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Peptic Ulcer
- Peptic Ulcers (Stomach or Duodenal Ulcers)
- Stomach or duodenal ulcer
- GI ulcer
- Digestive tract ulcer
ICD-10 Codes:
- K279: Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
Also known as:
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K922: Gastrointestinal hemorrhage, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Obstructed Bile Duct Stones
- Gallstones
- Blocked bile duct stones
- Obstructive choledocholithiasis
ICD-10 Codes:
- K8051: Calculus of bile duct without cholangitis or cholecystitis with obstruction
Also known as:
- Indeterminate Colitis
- Unclassified Colitis
- Colitis of Unknown Type
- Chronic Colitis
ICD-10 Codes:
- K523: Indeterminate colitis
What procedures does Dr. Aja-Onu perform?
As a Gastroenterologist, Dr. Aja-Onu performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Aja-Onu. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Does Dr. Aja-Onu accept my insurance?
Dr. Aja-Onu accepts most major insurance plans. Important: Please call our office at (516) 623-5076 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Aja-Onu accept in Freeport, NY?
Dr. Aja-Onu in Freeport, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cascade Comprehensive Care
Centers Plan for Healthy Living
CVS Health (formerly Aetna)
Express Scripts
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
State of Tennessee
View All Insurances
Where is Dr. Aja-Onu's office located?
Dr. Iheanyichukwu Aja-Onu's Primary Practice
3 N Main St
Freeport, NY 11520
(516) 623-5076
What is Dr. Aja-Onu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Aja-Onu's National Provider Identifier (NPI) number is 1720077944.
What common questions do patients ask about Dr. Aja-Onu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Aja-Onu
What is Dr. Iheanyichukwu Aja-Onu's specialty?
Dr. Aja-Onu is a Gastroenterologist near Freeport, NY. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Aja-Onu to book an appointment today.
Is this Dr. Iheanyichukwu Aja-Onu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Aja-Onu is affiliated with Mount Sinai South Nassau, Long Island Jewish Valley Stream which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Iheanyichukwu Aja-Onu accepting new patients in Freeport, NY?
Yes, Dr. Iheanyichukwu Aja-Onu is accepting new patients at this time.
Does Dr. Iheanyichukwu Aja-Onu offer online booking?
Please contact Dr. Aja-Onu's office at (516) 623-5076 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Iheanyichukwu Aja-Onu?
Please contact Dr. Aja-Onu's office at (516) 623-5076 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Iheanyichukwu Aja-Onu have?
Dr. Iheanyichukwu Aja-Onu is certified by the American Board of Internal Medicine.
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