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Dr. J Sun, MD

Dr. J Sun, MD

Houston, TX

15 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Sun, Gastroenterologist in Houston, TX?

    Dr. J Sun, MD is a Gastroenterologist, who primarily practices in Houston, TX with 2 additional practice locations. He has been practicing for over 15 years and is board certified by the American Board of Internal Medicine. Dr. Sun is fluent in English and Chinese, and is currently seeing new patients. Dr. Sun’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sun’s office at (713) 468-2030.

    Where did Dr. Sun go to medical school and complete their residency?

      Is Dr. Sun board certified in Gastroenterologist?

      Yes, Dr. J Sun, MD is board certified by the American Board of Internal Medicine

      What languages does Dr. Sun speak?

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

      • Chinese

      • English

      What conditions does Dr. Sun treat?

      As a Gastroenterologist, Dr. Sun 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. Sun. 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:

      • 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:

      • 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
      • Right Upper Abdominal Pain
      • Abdominal Pain
      • Epigastric pain
      • Pain below breastbone
      • Upper stomach pain
      • RUQ pain
      • Pain in upper right stomach
      • Right upper belly pain

      ICD-10 Codes:

      • R1013: Epigastric pain
      • R1011: Right upper quadrant pain

      Also known as:

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

      ICD-10 Codes:

      • Z86010: Personal history of colon polyps

      Also known as:

      • Chronic Idiopathic Constipation
      • Constipation
      • Functional Constipation
      • Unexplained Chronic Constipation
      • Long-Term Constipation

      ICD-10 Codes:

      • K5904: Chronic idiopathic constipation

      Also known as:

      • Barrett's Esophagus
      • Esophagus Disorder
      • Barrett’s Esophagus
      • Barrett's condition
      • Esophageal metaplasia

      ICD-10 Codes:

      • K2270: Barrett's esophagus without dysplasia

      Also known as:

      • Irritable Bowel Syndrome with Constipation
      • Irritable Bowel Syndrome
      • Irritable Bowel Syndrome (IBS)
      • IBS-C
      • Constipation-Predominant IBS
      • Spastic Colon with Constipation

      ICD-10 Codes:

      • K581: Irritable bowel syndrome with constipation

      Also known as:

      • Dark, Tarry Stools (Melena)
      • Gastrointestinal Bleeding
      • Melena
      • Black Stools
      • Upper GI Bleed Signs

      ICD-10 Codes:

      • K921: Melena

      Also known as:

      • Diarrhea
      • Loose stools
      • Runny poop
      • Frequent bowel movements

      ICD-10 Codes:

      • R197: Diarrhea, unspecified

      Also known as:

      • Family History of Digestive Organ Cancer
      • Cancer
      • Family History
      • Genetic risk for gastrointestinal cancer
      • Family history of GI cancer
      • Hereditary digestive cancer

      ICD-10 Codes:

      • Z800: Family history of malignant neoplasm of digestive organs

      Also known as:

      • Nausea and Vomiting
      • Feeling Sick and Throwing Up
      • Stomach Flu Symptoms
      • Queasy and Vomiting

      ICD-10 Codes:

      • R112: Nausea with vomiting, unspecified

      Also known as:

      • Benign Ascending Colon Polyp
      • Benign Tumor
      • Colonic Polyps
      • Colon Polyps
      • Non-cancerous ascending colon growth
      • Ascending colon adenoma
      • Ascending colon benign tumor

      ICD-10 Codes:

      • D122: Benign neoplasm of ascending colon

      Also known as:

      • Abdominal Bloating
      • Gas
      • Gas in the Digestive Tract
      • Bloated Stomach
      • Swollen Belly
      • Gaseous Distension

      ICD-10 Codes:

      • R140: Abdominal distension (gaseous)

      Also known as:

      • Other Difficulty Swallowing
      • Swallowing Disorder
      • Dysphagia
      • Trouble swallowing
      • Swallowing problems

      ICD-10 Codes:

      • R1319: Other dysphagia

      Also known as:

      • Iron Deficiency Anemia
      • Anemia
      • Iron
      • Anemia from Iron Lack
      • Low Iron Anemia
      • Sideropenic Anemia

      ICD-10 Codes:

      • D509: Iron deficiency anemia, unspecified

      Also known as:

      • Abnormal Digestive Tract Imaging
      • Abnormal GI scan
      • Unusual digestive imaging
      • Digestive system imaging findings

      ICD-10 Codes:

      • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract

      Also known as:

      • Abnormal Bowel Movements
      • Bowel Movement
      • Unusual stool
      • Changes in poop
      • Fecal changes

      ICD-10 Codes:

      • R195: Other fecal abnormalities

      Also known as:

      • Chronic Stomach Inflammation
      • Stomach Disorder
      • Gastritis & Gastropathy
      • Chronic gastritis
      • Long-term stomach inflammation
      • Persistent stomach lining inflammation

      ICD-10 Codes:

      • K2950: Unspecified chronic gastritis without bleeding

      Does Dr. Sun accept my insurance?

      Dr. Sun accepts most major insurance plans. Important: Please call our office at (713) 468-2030 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Sun accept in Houston, TX?

      Dr. Sun in Houston, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

      Top Insurances

      • All Other Third Party

      • Centene

      • CVS Health (formerly Aetna)

      • Devoted Health

      • Express Scripts

      • Health Care Service Corporation (HCSC)

      • Medicare

      • Other Health Care Provider

      • State of Texas

      • UnitedHealthcare

      View All Insurances

      Where is Dr. Sun's office located?

      Dr. J Sun's Primary Practice

      929 Gessner Rd Ste 1360

      Houston, TX 77024

      (713) 468-2030

      Get Directions

      Dr. J Sun's Practice 2

      18220 State Highway 249 Ste 290

      Houston, TX 77070

      Get Directions

      Dr. J Sun's Practice 3

      601 S Main St

      Keller, TX 76248

      Get Directions

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

      Dr. Sun's National Provider Identifier (NPI) number is 1124175005.

      What common questions do patients ask about Dr. Sun?

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

      What is Dr. J Sun's specialty?

      Dr. Sun is a Gastroenterologist near Houston, TX. 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. Sun to book an appointment today.

      Is this Dr. J Sun affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Sun is affiliated with Memorial Hermann Memorial City Medical Center 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

      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 J Sun accepting new patients in Houston, TX?

      Yes, Dr. J Sun is accepting new patients at this time.

      Does Dr. J Sun offer online booking?

      Please contact Dr. Sun's office at (713) 468-2030 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with J Sun?

      Please contact Dr. Sun's office at (713) 468-2030 for information regarding telehealth appointment availability or for scheduling assistance.

      Which board certifications does Dr. J Sun have?

      Dr. J Sun is certified by the American Board of Internal Medicine.

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