
27 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Phan, Gastroenterologist in Sugar Land, TX?
Where did Dr. Phan go to medical school and complete their residency?
Fellowship: Gastroenterology, University of California - Irvine Medical Center, Orange, CA
Residency: University of California, Irvine Affiliated Hospitals | UC Irvine Medical Center
Medical School: Medical College of Wisconsin
Is Dr. Phan board certified as a Gastroenterologist?
Yes, Dr. Charles Phan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Phan speak?
Dr. Phan and their clinical team can communicate with patients in the following languages:
- Chinese
- English
- Spanish
- Vietnamese
What conditions does a Gastroenterologist like Dr. Phan typically treat?
As a Gastroenterologist, Dr. Phan 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. Phan. 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:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
What procedures does a Gastroenterologist like Dr. Phan typically perform?
As a Gastroenterologist, Dr. Phan 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. Phan. 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
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Phan accept my insurance?
Dr. Phan accepts most major insurance plans. Important: Please call our office at (281) 277-2213 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Phan accept in Sugar Land, TX?
Dr. Phan in Sugar Land, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
Community Health Choice
CVS Health (formerly Aetna)
Health Care Service Corporation
Healthcare Advantage
Humana
Medicare
Mutual of Omaha
State of Texas
UnitedHealth Group
View All Insurances
Where is Dr. Phan's office located?
Dr. Charles Phan's Primary Practice
16659 Southwest Fwy Ste 175
Sugar Land, TX 77479
(281) 277-2213
What hospitals are Dr. Phan affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Phan has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked in 2 Procedures
What is Dr. Phan's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Phan's National Provider Identifier (NPI) number is 1457303737.
What common questions do patients ask about Dr. Phan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Phan