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Dr. Christopher Chum, DO

Brooklyn, NY

Accepting patients
Online booking

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chum, Gastroenterologist in Brooklyn, NY?

    Dr. Christopher Chum, DO is a Gastroenterologist, who primarily practices in Brooklyn, NY with 2 additional practice locations. Dr. Chum is fluent in English and Spanish, and is currently seeing new patients. Dr. Chum’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chum’s office at (718) 616-3000.

    What languages does Dr. Chum speak?

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

    • English
    • Spanish

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

    As a Gastroenterologist, Dr. Chum 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. Chum. 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:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

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

    As a Gastroenterologist, Dr. Chum 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. Chum. 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
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy with Tissue Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 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
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection

    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:

    • EGD with Endoscopic Ultrasound
    • Diagnostic Upper Endoscopy with Biopsy
    • Upper GI Endoscopy with Ultrasound
    • EUS (Endoscopic Ultrasound)
    • Esophagus, Stomach, Duodenum Ultrasound
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample

    CPT Codes:

    • 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Does Dr. Chum accept my insurance?

    Dr. Chum accepts most major insurance plans. Important: Please call our office at (718) 616-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chum accept in Brooklyn, NY?

    Dr. Chum in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Carepoint Health

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Healthfirst New York

    • Horizon BlueCross BlueShield

    • Jefferson Health

    • Medicare

    • Service Employees International Union (SEIU)

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Chum's office located?

    Dr. Christopher Chum's Primary Practice

    2601 Ocean Pkwy

    Brooklyn, NY 11235

    (718) 616-3000

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    Dr. Christopher Chum's Practice 2

    139 Centre St Ste 704

    New York, NY 10013

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    Dr. Christopher Chum's Practice 3

    5715 7th Ave

    Brooklyn, NY 11220

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    Would you like to schedule an appointment with Dr. Christopher Chum?

    Dr. Chum has appointments available at his Brooklyn, NY office, as well as 2 other locations. Please select a location, date, and time below.

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

    Dr. Chum's National Provider Identifier (NPI) number is 1144669532.

    What common questions do patients ask about Dr. Chum?

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

    What is Dr. Christopher Chum's specialty?

    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 Dr. Christopher Chum affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chum is affiliated with Virtua Our Lady Of Lourdes Hospital, Robert Wood Johnson University Hospital - New Brunswick 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

    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 Dr. Christopher Chum accepting new patients in Brooklyn, NY?

    Yes, Dr. Christopher Chum is accepting new patients at this time.

    Does Dr. Christopher Chum offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Chum, or call (718) 616-3000 for more information.

    How can I make an appointment with Dr. Christopher Chum?

    Yes, you can use online booking to schedule an appointment with Dr. Chum, or call (718) 616-3000 for more information.

    Where is Dr. Chum's office located?

    Dr. Chum's offices are located in Brooklyn, NY and New York, NY.