The 20 Best Collagenous Colitis Doctors Near Me in phoenix, AZ

Find the Top Collagenous Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 51 doctor with experience in Collagenous Colitis near phoenix, AZ. Of these, 40 are Experienced and 11 are Advanced.

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51 providers found
    Experienced in Collagenous Colitis
    Family Medicine
    Experienced in Collagenous Colitis
    Family Medicine

    Pueblo Family Physicians

    4350 N 19th Ave Ste 6, 
    Phoenix, AZ 
     (4.5 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Don Cunningham is a primary care provider, practicing in Family Medicine in Phoenix, Arizona. Dr. Cunningham is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypothyroidism, Myelitis, and AIDS Dysmorphic Syndrome. Dr. Cunningham is board certified in American Osteopathic Board Of Family Medicine. Dr. Cunningham is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    349 E Coronado Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Drewitz is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Drewitz is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, and Endoscopy. Dr. Drewitz is board certified in American Board Of Internal Medicine. Dr. Drewitz is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Banner - University Medicine Digestive Institute

    1441 North 12th Street, Floor 2, 
    Phoenix, AZ 
     (1.5 miles away)
    Languages Spoken:
    English, Mandarin
    Accepting New Patients
    Offers Telehealth

    Jen-jung Pan is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Pan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Alcoholic Cirrhosis, Nonalcoholic Steatohepatitis (NASH), Esophageal Varices, Endoscopy, and Colonoscopy. Dr. Pan is board certified in American Board Of Internal Medicine/Transplant Hepatology, American Board Of Internal Medicine, and American Board Of Internal Medicine/Gastroenterology. Dr. Pan is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Banner - University Medicine Digestive Institute

    1441 North 12th Street, Floor 2, 
    Phoenix, AZ 
     (1.5 miles away)
    Languages Spoken:
    English, Hindi, Marathi, Sindhi
    Accepting New Patients
    Offers Telehealth

    Nisha Sharma is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Sharma is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology. Dr. Sharma is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    1300 N 12th St Ste 613, 
    Phoenix, AZ 
     (1.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Barbara Maccollum is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Maccollum is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Gas Bloat Syndrome, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), and Diarrhea. Dr. Maccollum is board certified in American Board Of Internal Medicine. Dr. Maccollum is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    1300 N 12th St Ste 613, 
    Phoenix, AZ 
     (1.8 miles away)
    Languages Spoken:
    English, Dutch
    Accepting New Patients
    Offers Telehealth

    Brenda Dennert is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Dennert is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Lactose Intolerance, Diverticular Disease, and Endoscopy. Dr. Dennert is board certified in American Board Of Internal Medicine. Dr. Dennert is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    District Medical Group

    2929 E Thomas Rd, 
    Phoenix, AZ 
     (3.9 miles away)
    Languages Spoken:
    English, Mandarin, Twi
    Accepting New Patients
    Offers Telehealth

    Keng-yu Chuang is a primary care provider, practicing in Internal Medicine in Phoenix, Arizona. Dr. Chuang is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Familial Colorectal Cancer, Colorectal Cancer, Endoscopy, and Colonoscopy. Dr. Chuang is board certified in American Board Of Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Chuang is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    349 E Coronado Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Adam Randolph is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Randolph is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Indigestion, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Colonoscopy. Dr. Randolph is board certified in American Board Of Internal Medicine. Dr. Randolph is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    349 E Coronado Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Michael Mills is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Mills is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Painful Swallowing, Diverticular Disease, and Endoscopy. Dr. Mills is board certified in American Board Of Internal Medicine. Dr. Mills is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    349 E Coronado Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English, Hindi, Spanish, Telugu
    Accepting New Patients
    Offers Telehealth

    Shiva Ratuapli is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Ratuapli is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Painful Swallowing, Colonoscopy, and Endoscopy. Dr. Ratuapli is board certified in American Board Of Internal Medicine. Dr. Ratuapli is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    349 E Coronado Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Eugene Tharalson is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Tharalson is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy. Dr. Tharalson is board certified in American Board Of Internal Medicine. Dr. Tharalson is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Banner-University Medical Center Phoenix

    1111 E McDowell Rd, 
    Phoenix, AZ 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Darrell Wadas is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Wadas is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gas Bloat Syndrome, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Endoscopy. Dr. Wadas is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Darrell D Wadas MD PC

    1300 N 12th St Ste 603, 
    Phoenix, AZ 
     (1.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Vincent Honan is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Honan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Exocrine Pancreatic Insufficiency, Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), and Endoscopy. Dr. Honan is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Dignity Health Medical Group Gastroenterology - St. Joseph's

    500 W Thomas Rd, Suite 100, 
    Phoenix, AZ 
     (2.3 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Kim Almodovar is a Gastroenterologist practicing medicine in Phoenix, Arizona. She has been practicing medicine for over 44 years. Dr. Almodovar is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Angiodysplasia of the Colon, Diverticular Disease, Non-Alcoholic Fatty Liver Disease, Colonoscopy, and Gastrectomy. Dr. Almodovar is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Almodovar is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    9250 N 3rd St Ste 4035, 
    Phoenix, AZ 
     (8.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ronald Hauptman is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Hauptman is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy. Dr. Hauptman is board certified in American Board Of Internal Medicine. Dr. Hauptman is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    9250 N 3rd St Ste 4035, 
    Phoenix, AZ 
     (8.3 miles away)
    Languages Spoken:
    English, Bengali
    Accepting New Patients
    Offers Telehealth

    Shifat Ahmed is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Ahmed is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Gas Bloat Syndrome, Endoscopy, and Colonoscopy. Dr. Ahmed is board certified in American Board Of Internal Medicine. Dr. Ahmed is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    2222 E Highland Ave Ste 203, 
    Phoenix, AZ 
     (5.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Douglas Schwartz is a Gastroenterologist practicing medicine in Phoenix, Arizona. Dr. Schwartz is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Diarrhea, Trichohepatoenteric Syndrome, Portal Hypertension, and Endoscopy. Dr. Schwartz is board certified in American Board Of Internal Medicine. Dr. Schwartz is currently accepting new patients.

    Experienced in Collagenous Colitis
    Family Medicine
    Experienced in Collagenous Colitis
    Family Medicine

    Family Practice Specialist, Ltd

    4350 E Camelback Rd, Ste F-100, 
    Phoenix, AZ 
     (6.5 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Mark Wyse is a primary care provider, practicing in Family Medicine in Phoenix, Arizona. Dr. Wyse is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Wyse is board certified in American Board Of Family Medicine. Dr. Wyse is currently accepting new patients.

    Experienced in Collagenous Colitis
    Family Medicine
    Experienced in Collagenous Colitis
    Family Medicine

    Ahwatukee Family Medical Center

    13838 S 46th Pl Ste 320, 
    Phoenix, AZ 
     (7.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Nichols is a primary care provider, practicing in Family Medicine in Phoenix, Arizona. Dr. Nichols is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses High Cholesterol, Hyperlipidemia Type 3, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Nichols is board certified in American Board Of Family Medicine. Dr. Nichols is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Arizona Digestive Health

    9250 N 3rd St Ste 4035, 
    Phoenix, AZ 
     (8.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Foley is a Gastroenterologist practicing medicine in Phoenix, Arizona. He has been practicing medicine for over 17 years. Dr. Foley is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy. Dr. Foley is board certified in American Board Of Internal Medicine. Dr. Foley is currently accepting new patients.

    Showing 1-20 of 51

    Last Updated: 09/26/2026

    What is the definition of Collagenous Colitis?

    Collagenous colitis is a type of inflammatory bowel disease that affects the colon. It is a form of microscopic colitis, which causes chronic diarrhea. In all forms of microscopic colitis, the colon appears normal or almost normal on colonoscopy, but the inflammation is visible when a biopsy of the colon is examined under a microscope (hence its name). People with this disease usually have between four and nine watery bowel movements per day, but in rare cases may have more than fifteen. Various other symptoms relating to the gastrointestinal system or other body symptoms may also be present. The cause of Collagenous colitis is not known but it is thought to be multifactorial. This means that both genetic and environmental factors may interact to cause a person to develop the disease. The extent to which genes play a role is unclear, but familial cases have been described. Certain medications, such as NSAIDS and proton pump inhibitors, have been reported to cause or trigger the disease in some people. However, strong evidence directly linking these medications to the disease is still lacking.

    When should I see a Collagenous Colitis doctor near phoenix, AZ?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Collagenous Colitis doctor near phoenix, AZ?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Collagenous Colitis doctors near phoenix, AZ?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Collagenous Colitis doctors near phoenix, AZ?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Collagenous Colitis doctor near phoenix, AZ?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Collagenous Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Collagenous Colitis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Collagenous Colitis doctor near phoenix, AZ?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Collagenous Colitis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Collagenous Colitis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Collagenous Colitis doctors near phoenix, AZ?

    Look for the filter feature on the left side of the Collagenous Colitis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Collagenous Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Collagenous Colitis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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