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Dr. Bon Chang Koo, MD

Emerson, NJ

19 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Koo, Gastroenterologist in Emerson, NJ?

    Dr. Bon Chang Koo, MD is a Gastroenterologist, who primarily practices in Emerson, NJ with 2 additional practice locations. He has been practicing for over 19 years and is board certified. Dr. Koo is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Koo’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koo’s office.

    Is Dr. Koo board certified as a Gastroenterologist?

    Yes, Dr. Bon Chang Koo, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Koo speak?

    Dr. Koo and their clinical team can communicate with patients in the following languages:

    • English

    • Korean

    • Spanish

    What conditions does a Gastroenterologist like Dr. Koo typically treat?

    As a Gastroenterologist, Dr. Koo 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. Koo. 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. Learn more about our claims-based healthcare methodology.

    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:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    What procedures does a Gastroenterologist like Dr. Koo typically perform?

    As a Gastroenterologist, Dr. Koo 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. Koo. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    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

    Also known as:

    • Colonoscopy with Injections
    • EGD with Endoscopic Ultrasound
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Upper GI Endoscopy with Ultrasound
    • EUS (Endoscopic Ultrasound)
    • Esophagus, Stomach, Duodenum Ultrasound

    CPT Codes:

    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures

    Also known as:

    • Hemorrhoid Removal by Heat
    • Infrared Coagulation for Hemorrhoids
    • Hemorrhoid Cautery
    • Radiofrequency Hemorrhoid Treatment

    CPT Codes:

    • 46930: Destruction of internal hemorrhoid(s) by thermal energy (eg, infrared coagulation, cautery, radiofrequency)

    Does Dr. Koo accept my insurance?

    Dr. Koo accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Koo accept in Emerson, NJ?

    Dr. Koo in Emerson, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Horizon BlueCross BlueShield

    • Independence Health Group

    • Medicare

    • Oscar Health

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

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    Where is Dr. Koo's office located?

    Dr. Bon Chang Koo's Primary Practice

    466 Old Hook Rd Ste 1

    Emerson, NJ 07630

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    Dr. Bon Chang Koo's Practice 2

    277 Quassaick Ave # 94

    New Windsor, NY 12553

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    Dr. Bon Chang Koo's Practice 3

    1 W Ridgewood Ave Ste 301

    Paramus, NJ 07652

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    What is Dr. Koo's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Koo's National Provider Identifier (NPI) number is 1396960043.

    What common questions do patients ask about Dr. Koo?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Koo

    What is Dr. Bon Chang Koo's specialty?

    Dr. Koo is a Gastroenterologist near Emerson, NJ.

    What does a Gastroenterologist do?

    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.

    Is this Dr. Bon Chang Koo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Koo is affiliated with The Valley Hospital which is a Castle Connolly Top Hospital. 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

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Bon Chang Koo accepting new patients in Emerson, NJ?

    Yes, Dr. Bon Chang Koo is accepting new patients at this time.

    Does Dr. Bon Chang Koo offer online booking?

    Please contact Dr. Koo's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Bon Chang Koo?

    Please contact Dr. Koo's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Bon Chang Koo have?

    Dr. Bon Chang Koo is certified by the American Board of Internal Medicine.

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