16 Years of Experience
Accepting patients
Online booking
Who is Dr. Dugan, Gastroenterologist in Houston, TX?
Dr. John Dugan, MD is a Gastroenterologist, who primarily practices in Houston, TX. He has been practicing for over 16 years and is board certified by the American Board of Internal Medicine. Dr. Dugan completed his residency at The University of Texas Houston Medical School. Dr. Dugan is fluent in English and Spanish, and is currently seeing new patients. Dr. Dugan’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Dugan’s office at (713) 526-5511.
Where did Dr. Dugan go to medical school and complete their residency?
Fellowship: The University of Texas Houston Medical School
Residency: The University of Texas Houston Medical School
Medical School: Texas A&M University / Main Campus | University of Texas Health Science Center, Houston
Is Dr. Dugan board certified in Gastroenterologist?
Yes, Dr. John Dugan, MD is board certified by the American Board of Internal Medicine since 2014, American Board of Internal Medicine since 2016
What languages does Dr. Dugan speak?
Dr. Dugan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Dugan treat?
As a Gastroenterologist, Dr. Dugan 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. Dugan. 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:
- 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:
- Colon Polyps
- History of Other Digestive System Disease
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Past GI Disorder
- Previous Digestive Problem
- History of Gastrointestinal Illness
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z8719: Personal history of other diseases of the digestive system
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Upper Middle Abdominal Pain
- Pelvic Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- Lower belly pain
- Pain in lower abdomen
- Abdominal discomfort
ICD-10 Codes:
- R1013: Epigastric pain
- R1030: Lower abdominal pain, unspecified
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
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:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
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:
- 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:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
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:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Which procedures does Dr. Dugan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. John Dugan may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Dugan's office.
Does Dr. Dugan accept my insurance?
Dr. Dugan accepts most major insurance plans. Important: Please call our office at (713) 526-5511 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Dugan accept in Houston, TX?
Dr. Dugan in Houston, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Humana
Medicare
Other Health Care Provider
Reserve National Insurance Co
Thrivent Financial
UnitedHealthcare
US Health Group
View All Insurances
Where is Dr. Dugan's office located?
Would you like to schedule an appointment with Dr. John Dugan?
Dr. Dugan has appointments available at his Houston, TX office. Please select a date and time below.
What is Dr. Dugan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Dugan's National Provider Identifier (NPI) number is 1154677755.
What common questions do patients ask about Dr. Dugan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Dugan
What is Dr. John Dugan's specialty?
Dr. Dugan 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. Dugan to book an appointment today.
Is this Dr. John Dugan affiliated with a ranked Castle Connolly Top Hospital?
No, Dugan is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 John Dugan accepting new patients in Houston, TX?
Yes, Dr. John Dugan is accepting new patients at this time.
Does Dr. John Dugan offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Dugan, or call (713) 526-5511 for more information.
How can I make an appointment with John Dugan?
Please contact Dr. Dugan's office at (713) 526-5511 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Dugan have?
Dr. John Dugan is certified by the American Board of Internal Medicine.
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