Dr. Jachi G. Sun
Last updated: Feb 16, 2023

Dr. Jachi G. Sun

  • Gender: Male
  • Experience: 17 years
  • Graduated from: Medical University Of South Carolina College Of Medicine
  • Graduation year: 2004
  • Sole propriator: No
  • NPI: 1124175005

Dr. Jachi G. Sun MD

Gastroenterologist

He is located at 929 Gessner Road Suite 1360 in Houston, TX 77024. Can help patients with the following: Acute Pain, Cancer, Chronic Obstructive Pulmonary Disease (COPD), Crohn's Disease, Gastritis, Internal Bleeding. His National Provider Identifier (NPI) number is 1124175005. Appointment can be made via the phone number (713) 468-2030. He is affiliated with 1 practices and 3 hospitals.

Conditions treated

Dr. J George Sun, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Jachi G. Sun.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Ascites
  • Asthma
  • Atherosclerosis
  • Autoimmune Hepatitis
  • Bad Breath
  • Barrett's Esophagus
  • Bladder Control
  • Bleeding Varices
  • Blood in Stool
  • Botulism
  • Cancer
  • Carcinoid Tumor
  • Celiac Disease
  • Chest Pain
  • Childhood Obesity
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cirrhosis
  • Clostridium Difficile Colitis
  • Colitis
  • Colonoscopy
  • Common Cold
  • Constipation
  • Crohn's Disease
  • Cystitis
  • Diarrhea
  • Diverticulosis
  • Edema
  • Eosinophilic Esophagitis
  • Esophagitis
  • Fatty Liver Disease
  • Feeding and Swallowing
  • Fever
  • Food Allergies
  • Gallbladder Pain
  • Gastric Bypass Surgery
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastroparesis
  • General Care
  • Headache
  • Heart Disease
  • Heartburn
  • Helicobacter Pylori Infection
  • Hemorrhoids
  • Hepatitis A (HAV)
  • Hepatitis B (HBV)
  • Hepatitis C (HCV)
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Indigestion
  • Inflammatory Bowel Disease (IBD)
  • Influenza
  • Inguinal Hernia
  • Internal Bleeding
  • Intussusception
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Leaky Gut Syndrome
  • Liver Disease
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Pancreas Divisum
  • Pancreatic Cancer
  • Pancreatic Cysts
  • Pancreatitis
  • Peptic Ulcer
  • Portal Hypertension
  • Prescription Refill
  • Primary Biliary Cirrhosis (PBC)
  • Primary Sclerosing Cholangitis (PSC)
  • Stomach Cancer
  • Swallowing Disorders
  • Ulcerative Colitis
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Jachi G. Sun

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Jachi G. Sun as in-network for the following 2026 plans.

Health plans

Ambetter from Superior HealthPlan

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 12 plans from Ambetter from Superior HealthPlan
Ambetter from Superior HealthPlan plans
Plan Plan type Network tier New patients
Complete Gold EPO · Gold Preferred Accepting new patients
Complete Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options EPO · Silver Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Everyday Gold EPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Focused Silver EPO · Silver Preferred Accepting new patients
Focused Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Standard Gold EPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Silver EPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients

Blue Cross and Blue Shield of Texas

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 19 plans from Blue Cross and Blue Shield of Texas
Blue Cross and Blue Shield of Texas plans
Plan Plan type Network tier New patients
Blue Advantage Bronze HMO℠ 204 (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients

CHRISTUS Health Plan

Network data as of Jan 1, 1900, as reported by the insurer.

Show all 18 plans from CHRISTUS Health Plan
CHRISTUS Health Plan plans
Plan Plan type Network tier New patients
CHRISTUS Bronze (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Bronze + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Bronze Essential (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Bronze Essential + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Catastrophic (3 Free PCP visits) HMO · Catastrophic Preferred Accepting new patients
CHRISTUS Gold + Dental & Vision + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) HMO · Gold Preferred Accepting new patients
CHRISTUS Gold + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) HMO · Gold Preferred Accepting new patients
CHRISTUS Gold Essential ($0 Rx Deductible, $5 PCP, $0 Virtual Urgent Care) HMO · Gold Preferred Accepting new patients
CHRISTUS Gold Essential + Dental & Vision ($0 Rx Deductible, $5 PCP, $0 Virtual Urgent Care) HMO · Gold Preferred Accepting new patients
CHRISTUS Silver Essential 70 ($5 PCP, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Silver Preferred Accepting new patients
CHRISTUS Silver Essential 70 + Dental & Vision ($5 PCP, $0 Preferred Generic Rx, $0 Virtual Urgent Care) HMO · Silver Preferred Accepting new patients
CHRISTUS Standard Expanded Bronze ($0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Standard Gold ($0 Virtual Urgent Care) HMO · Gold Preferred Accepting new patients
CHRISTUS Standard Silver 70 ($0 Virtual Urgent Care) HMO · Silver Preferred Accepting new patients
CHRISTUS Value Bronze (3 Free PCP Visits, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Value Bronze + Dental & Vision (3 Free PCP Visits, $0 Virtual Urgent Care) HMO · Expanded Bronze Preferred Accepting new patients
CHRISTUS Value Silver 70 ($0 Virtual Urgent Care) HMO · Silver Preferred Accepting new patients
CHRISTUS Value Silver 70 + Dental & Vision ($0 Virtual Urgent Care) HMO · Silver Preferred Accepting new patients

Community Health Choice

Network data as of Jan 28, 2026, as reported by the insurer.

Show all 18 plans from Community Health Choice
Community Health Choice plans
Plan Plan type Network tier New patients
Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Non Preferred Accepting new patients
Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Preferred Accepting new patients
Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Non Preferred Accepting new patients
Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Preferred Accepting new patients
Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Non Preferred Accepting new patients
Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Preferred Accepting new patients
Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Non Preferred Accepting new patients
Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Preferred Accepting new patients
Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Gold Non Preferred Accepting new patients
Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Gold Preferred Accepting new patients
Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Silver Non Preferred Accepting new patients
Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Silver Preferred Accepting new patients

Harbor Health

Network data as of Sep 14, 2026, as reported by the insurer.

Harbor Health plans
Plan Plan type Network tier New patients
Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care HMO · Gold Preferred Accepting new patients
Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care HMO · Gold Preferred Accepting new patients
Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care HMO · Silver Preferred Accepting new patients
Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care HMO · Silver Preferred Accepting new patients

UnitedHealthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 6 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Kelsey-Seybold Bronze Copay Focus $0 Indiv Med Ded HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Kelsey-Seybold Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Kelsey-Seybold Gold Copay Focus $0 Indiv Med Ded ($8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Kelsey-Seybold Gold Copay Focus+ $0 Indiv Med Ded ($8 Tier 2 Rx, Dental + Vision) HMO · Gold Non Preferred Accepting new patients
UHC Kelsey-Seybold Silver Copay Focus $0 Indiv Med Ded HMO · Silver Non Preferred Accepting new patients
UHC Kelsey-Seybold Silver Copay Focus+ $0 Indiv Med Ded (Dental + Vision) HMO · Silver Non Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Jachi G. Sun is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Jachi G. Sun is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .

Bills through: Texas Digestive Disease Consultants, Pllc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

AbbVie $1166
Takeda $708
Gilead Sciences $446

Other

Food and Beverage $4019
Consulting $400

Studies

MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE

Graduated in 2004

Additional Specialities

  • Internist

Affiliated practices

Gowrappala S Ramesh MD PA
929 Gessner Road
Houston, 77024 TX
(713) 468-2030

Affiliated hospitals

MEMORIAL HERMANN HOSPITAL SYSTEM
1635 NORTH LOOP WEST
HOUSTON, 77008 TX
(713) 448-6796
MEMORIAL HERMANN MEMORIAL CITY HOSPITAL
921 GESSNER
HOUSTON, 77024 TX
(713) 242-3000
MEMORIAL HERMANN KATY HOSPITAL
23900 KATY FREEWAY
KATY, 77494 TX
(281) 392-1111

Looking for more Gastroenterologists?

Out of the 11 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Hashim Khandwalla
  • Gender: Male
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Ira L. Flax
  • Gender: Male
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Cole Taggart Thomson
  • Gender: Male
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Gowrappala Shanmukhappa Ramesh
  • Gender: Male
  • Address: Suite 650 915 Gessner Road Houston, 77024, TX
Dr. Katherine Nguyen
  • Gender: Female
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Robert Alan Herman
  • Gender: Male
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Matthew P. Spinn
  • Gender: Male
  • Address: Suite 850 915 Gessner Road Houston, 77024, TX
Dr. Jaspaul Singh Azad
  • Gender: Male
  • Address: Suite 168 902 Frostwood Drive Houston, 77024, TX
Dr. Thomas L. Steinbach
  • Gender: Male
  • Address: Suite 243 902 Frostwood Drive Houston, 77024, TX

Questions & Answers

Where can you meet with Dr. J George Sun?

Dr. J George Sun's office is located at 929 Gessner Road Suite 1360 in Houston, TX 77024.

Has Dr. J George Sun affiliation with hospitals?

Dr. J George Sun is affiliated with MEMORIAL HERMANN HOSPITAL SYSTEM. For the full list of hospitals see this list.

Does Dr. J George Sun accept patients with Ambetter from Superior HealthPlan?

Yes, Dr. J George Sun is listed in-network for Ambetter from Superior HealthPlan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. J George Sun have affiliation with practices?

Dr. J George Sun is affiliated with Gowrappala S Ramesh MD PA.

What conditions does Dr. J George Sun treat?

Dr. J George Sun provides treatment for Acute Pain, Cancer, Chronic Obstructive Pulmonary Disease (COPD), Crohn's Disease, Gastritis, Internal Bleeding. For the full list see this list.