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Dr. Jachi Sun, MD

Dr. Jachi 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. Jachi 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. Dr. Sun is fluent in English and Chinese, and is currently seeing new patients. Dr. Sun’s practice accepts Cigna, 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 as a Gastroenterologist?

      Yes, Dr. Jachi 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:

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

      ICD-10 Codes:

      • K5904: Chronic idiopathic constipation

      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

      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

      What procedures does Dr. Sun perform?

      As a Gastroenterologist, Dr. Sun 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. 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:

      • Colonoscopy with Biopsy
      • Diagnostic Colonoscopy with Biopsy
      • Colonoscopy with Polyp Removal
      • Colonoscopy with Bleeding Control
      • 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
      • Endoscopic Hemostasis
      • Colonoscopy for Bleeding

      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
      • 45382: Colonoscopy, flexible; with control of bleeding, any method

      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:

      • Upper Endoscopy with Ultrasound (EUS)
      • Upper Endoscopy with Polyp Removal
      • Upper Endoscopy with Tumor Ablation
      • EGD with endoscopic ultrasound
      • Esophageal ultrasound
      • Stomach ultrasound endoscopy
      • Duodenal ultrasound endoscopy
      • EGD with Polypectomy
      • Esophagus, Stomach, Duodenum Scope with Removal
      • Flexible Endoscopy Tumor Excision
      • EGD with Ablation
      • Esophagus, Stomach, Duodenum Scope with Ablation
      • Flexible Endoscopy Lesion Treatment

      CPT Codes:

      • 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
      • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
      • 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)

      Also known as:

      • Colonoscopy with Injections
      • EGD with Endoscopic Ultrasound
      • EGD with Esophageal Balloon Dilation
      • Diagnostic Upper Endoscopy with Biopsy
      • 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
      • Upper Endoscopy with Esophageal Dilation
      • Flexible Esophagoscopy with Balloon
      • EGD with Balloon Widening
      • EGD with Biopsy
      • Esophagogastroduodenoscopy
      • Upper GI Endoscopy
      • Stomach Scope with Sample

      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
      • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
      • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

      Also known as:

      • Upper Endoscopy with Ultrasound and Biopsy
      • Biopsy
      • Endoscopy
      • Ultrasound
      • EGD with Endoscopic Ultrasound Biopsy
      • Transoral EUS-FNA
      • Esophagogastroduodenoscopy with Biopsy

      CPT Codes:

      • 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)

      Also known as:

      • ERCP with Gallstone Removal
      • ERCP
      • Endoscopic Gallstone Removal
      • Biliary Duct Stone Removal
      • Pancreatic Duct Cleaning

      CPT Codes:

      • 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)

      Also known as:

      • Upper Endoscopy for Foreign Body Removal
      • EGD for Foreign Body
      • Gastroscopy for Object Removal
      • Esophagogastroduodenoscopy for Foreign Body

      CPT Codes:

      • 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)

      Also known as:

      • ERCP with Stent Placement
      • Endoscopic Retrograde Cholangiopancreatography with Stent
      • Bile Duct Stent Placement via ERCP
      • Pancreatic Duct Stent Placement via ERCP

      CPT Codes:

      • 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent

      Also known as:

      • Capsule Endoscopy
      • Pill Camera
      • Wireless Capsule Endoscopy
      • Small Bowel Capsule Endoscopy
      • Intestinal Imaging Pill

      CPT Codes:

      • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

      Also known as:

      • Wireless Esophageal pH Test
      • Esophageal pH Test
      • Bravo pH Test
      • Esophageal Reflux Monitoring
      • Acid Reflux Test

      CPT Codes:

      • 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation

      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 Tennessee

      • UnitedHealthcare

      View All Insurances

      Where is Dr. Sun's office located?

      Dr. Jachi Sun's Primary Practice

      929 Gessner Rd Ste 1360

      Houston, TX 77024

      (713) 468-2030

      Get Directions

      Dr. Jachi Sun's Practice 2

      18220 State Highway 249 Ste 290

      Houston, TX 77070

      Get Directions

      Dr. Jachi 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. Jachi 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. Jachi Sun affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Sun is affiliated with Memorial Hermann Memorial City Medical Center, Houston Methodist West Hospital, CHRISTUS Southeast Texas - St. Elizabeth Hospital, Memorial Hermann Katy Hospital 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 Jachi Sun accepting new patients in Houston, TX?

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

      Does Dr. Jachi 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 Jachi 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. Jachi Sun have?

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

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