Accepting new patients at Cypress & Katy. Most insurance accepted.
Former MD Anderson faculty · FACP, FASGE · 100+ published articles
Cypress Gastroenterology at a Glance
Dr. Muhammad Ali Khan is a board-certified gastroenterologist with 18 years of clinical experience, serving patients in Cypress and Katy, TX. He provides comprehensive care for digestive and liver conditions, with expertise in colonoscopy, endoscopy, and colorectal cancer screening. Our Cypress clinic is located on Northwest Freeway (US-290).
Dr. Khan’s expertise encompasses the evaluation and management of acid reflux and GERD, irritable bowel syndrome (IBS), Crohn’s disease, ulcerative colitis, abdominal pain, rectal bleeding, and fatty liver disease. His approach emphasizes careful evaluation, clear communication, and personalized treatment plans tailored to each patient’s symptoms, medical history, and digestive health needs.
Medically reviewed by Muhammad Ali Khan, MD · Updated October 2026
Symptom Guide
Symptoms that keep coming back, get worse or disrupt daily life deserve a medical evaluation. Choose a symptom to see common causes and how Dr. Khan evaluates it. These pages explain possible causes; they cannot diagnose your symptoms.
Cypress GI Services
A gastroenterologist, also called a digestive disease specialist, treats the esophagus, stomach, intestines, colon, pancreas, gallbladder and liver. At the Cypress office, Dr. Khan evaluates new symptoms, manages long-term conditions and performs diagnostic and screening procedures.
Screening for colorectal cancer from age 45, polyp removal and evaluation of rectal bleeding or bowel changes, with sedation for comfort.
A direct look at the esophagus, stomach and duodenum to evaluate reflux, trouble swallowing, ulcers, bleeding or H. pylori, with biopsies when needed.
Recurring abdominal pain with diarrhea, constipation or both. Dr. Khan rules out celiac disease and IBD first, then builds a diet and medication plan.
Heartburn more than twice a week or reflux that continues on medication, evaluated with EGD when swallowing trouble or weight loss is present.
Diagnosis and long-term management of inflammatory bowel disease, including flare control, monitoring and treatment adjustments.
Evaluation of fatty liver disease, abnormal liver enzymes and other liver conditions, including FibroScan liver stiffness testing.
COLORECTAL CANCER SCREENING
The U.S. Preventive Services Task Force recommends colorectal cancer screening for adults ages 45 to 75 who are at average risk. People with a family history of colorectal cancer or advanced polyps, inflammatory bowel disease or certain inherited syndromes may need to start earlier or be screened more often. Symptoms such as rectal bleeding call for a diagnostic evaluation rather than routine screening.
Learn About Screening Options
MEET YOUR CYPRESS GASTROENTEROLOGIST
Gastroenterologist & Hepatologist
Dr. Muhammad Ali Khan is a board-certified gastroenterologist providing comprehensive digestive care to the Cypress community at United Gastroenterology Associates on the Northwest Freeway (US-290). A Fellow of the American College of Physicians (FACP) and the American Society for Gastrointestinal Endoscopy (FASGE), he trained at Dow Medical College, the University of Toledo and the University of Tennessee Health Science Center, and served as an Associate Professor at The University of Texas MD Anderson Cancer Center. He has authored more than 100 peer-reviewed articles in gastroenterology and hepatology. His practice focuses on diagnostic and therapeutic endoscopy, colorectal cancer prevention, inflammatory bowel disease and liver disease, with each plan built around the patient’s history and goals. Read Dr. Khan’s full profile
Schedule with Dr. Khan →PATIENT TESTIMONIALS
“
Dr. Khan is an amazing physician. He is so kind hearted & wants to help you in every way possible. He listens & doesn’t make you feel rushed.
Donna L.
Cypress
“
Great staff and doctor! Very thorough and explained everything from the prep, procedure, and follow-up. I highly recommend Dr. Khan!
Huong V.
Cypress
“
Dr Khan is fantastic and has really good bed side manner. He took his time to listen to my concerns and address them accordingly. I will definitely be referring everyone I know to him!
Theresa M.
Cypress
Office Location
Consultations, procedure planning and follow-up visits for digestive and liver concerns. If a procedure is recommended, the scheduling team confirms where it will take place.
Address: 21216 Northwest Freeway, Suite 640
Cypress, TX 77429
Location: On the Northwest Freeway (US-290)
Hours: Monday–Friday, 8:30 a.m.–5:00 p.m.
Closed 12:00–1:30 p.m. for lunch
Phone: (346) 340-4414
Serving: Cypress, Towne Lake, Bridgeland, Fairfield, Copperfield and Jersey Village
United Gastroenterology Associates is accepting new patients and accepts most major insurance plans, including the carriers shown here. The office verifies your benefits before your visit, and self-pay options are available. For your first appointment, bring a photo ID, your insurance card, a list of your medications, any referral your plan requires and recent lab, imaging or procedure reports.
A carrier logo does not guarantee coverage for a specific plan or service. Call (346) 340-4414 to confirm your benefits.
A gastroenterologist is a doctor who specializes in the digestive system and liver. Gastroenterologists diagnose and treat conditions such as acid reflux, IBS, inflammatory bowel disease and liver disease, and perform procedures such as colonoscopy and upper endoscopy to examine the digestive tract, take biopsies and remove polyps.
The Cypress office is at 21216 Northwest Freeway, Suite 640, Cypress, TX 77429, on the Northwest Freeway (US-290). It is open Monday through Friday, 8:30 a.m. to 5:00 p.m., and closed 12:00 to 1:30 p.m. for lunch. Call (346) 340-4414.
Yes. The office is at 21216 Northwest Freeway, Suite 640, Cypress, TX 77429, on the Northwest Freeway (US-290). It serves patients from Towne Lake, Bridgeland, Fairfield, Copperfield, Jersey Village and northwest Houston.
Dr. Khan is affiliated with Memorial Hermann Cypress Hospital. If a procedure such as colonoscopy or upper endoscopy is recommended, the scheduling team confirms where it will take place and sends preparation instructions.
Many insurance plans let you schedule directly with a specialist. Some plans, including many HMO plans, require a referral from your primary care physician. The office can help you check your plan’s requirements when you call to schedule.
The U.S. Preventive Services Task Force recommends screening for adults at average risk from age 45 through 75. You may need to start earlier or be screened more often if you have a family history of colorectal cancer, a history of polyps or inflammatory bowel disease.
A colonoscopy examines the colon and rectum and is used for colorectal cancer screening and to evaluate bleeding or bowel changes. An upper endoscopy (EGD) examines the esophagus, stomach and duodenum and is used to evaluate reflux, swallowing problems, ulcers and upper abdominal pain.
United Gastroenterology Associates accepts most major insurance plans, and self-pay options are available. Coverage depends on your specific plan, so the office verifies your benefits before your appointment.
Yes. Dr. Muhammad Ali Khan is accepting new patients at the Cypress office (21216 Northwest Freeway, Suite 640). Call (346) 340-4414 or request an appointment online and choose Cypress.
PATIENT EDUCATION
Learn More →
Learn More →
NEW PATIENTS WELCOME
Schedule a consultation with Dr. Khan at 21216 Northwest Freeway, Suite 640, Cypress, TX 77429. The office is accepting new patients from Cypress, Towne Lake, Bridgeland, Fairfield, Copperfield, Jersey Village and northwest Houston. Call (346) 340-4414 or request an appointment online.
Schedule a Consultation
