The 20 Best Gardner Syndrome Doctors Near Me in windham, NH

Find the Top Gardner Syndrome Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 28 doctor with experience in Gardner Syndrome near windham, NH. Of these, 21 are Experienced and 7 are Advanced.

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28 providers found
    Advanced in Gardner Syndrome

    Dr. Leon P. Mclean
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Leon P. Mclean
    Gastroenterology
    Referral may be required

    Office

    49 Range Rd, 
    Windham, NH 
     (0.5 miles away)
    603-432-8802
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Leon Mclean is a Gastroenterologist practicing medicine in Windham, New Hampshire. Dr. Mclean is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Gardner Syndrome, Familial Adenomatous Polyposis, Turcot Syndrome, Colonoscopy, and Endoscopy.

    Advanced in Gardner Syndrome

    Dr. Maurice B. Cohen
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Maurice B. Cohen
    Gastroenterology
    Referral may be required

    Northeast Gastroenterology Associates LLC

    2 Manor Pkwy Ste 5, 
    Salem, NH 
     (2.5 miles away)
    603-898-5082
    Languages Spoken:
    English
    See accepted insurances

    Maurice Cohen is a Gastroenterologist practicing medicine in Salem, New Hampshire. Dr. Cohen is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Bile Acid Malabsorption, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

    Advanced in Gardner Syndrome

    Dr. Annette Tobar
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Annette Tobar
    Gastroenterology
    Referral may be required

    Rockingham Orthopaedic Associates

    18 Orchard View Dr, 
    Londonderry, NH 
     (6.0 miles away)
    603-432-8802
    Languages Spoken:
    English
    See accepted insurances

    Annette Tobar is a Gastroenterologist practicing medicine in Londonderry, New Hampshire. Dr. Tobar is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Advanced in Gardner Syndrome

    Dr. Jassir Witta
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Jassir Witta
    Gastroenterology
    Referral may be required

    Lawrence General Hospital

    1 General St, 
    Lawrence, MA 
     (9.0 miles away)
    978-683-4000
    Languages Spoken:
    English
    See accepted insurances

    Jassir Witta is a Gastroenterologist practicing medicine in Lawrence, Massachusetts. Dr. Witta is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Benign Esophageal Stricture, Lower Esophageal Ring, Colonoscopy, and Endoscopy.

    Advanced in Gardner Syndrome

    Dr. Jason M. Hemming
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Jason M. Hemming
    Gastroenterology
    Referral may be required

    Pentucket Medical Associates LLC

    1 Park Way, 
    Haverhill, MA 
     (9.7 miles away)
    978-521-3235
    Languages Spoken:
    English, Spanish
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jason Hemming is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Hemming is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Alcoholic Cirrhosis, Hepatitis, Gastrectomy, and Colonoscopy. Dr. Hemming is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Knut J. Roalsvig
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Knut J. Roalsvig
    Gastroenterology
    Referral may be required

    Office

    6 Tsienneto Rd Ste 301, 
    Derry, NH 
     (5.9 miles away)
    603-432-8802
    Languages Spoken:
    English
    See accepted insurances

    Knut Roalsvig is a Gastroenterologist practicing medicine in Derry, New Hampshire. Dr. Roalsvig is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Intestinal Cancer, Benign Esophageal Stricture, Lower Esophageal Ring, Gastrectomy, and Endoscopy.

    Experienced in Gardner Syndrome

    Dr. Steven S. Taylor
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Steven S. Taylor
    Gastroenterology
    Referral may be required

    Office

    6 Tsienneto Rd Ste 301, 
    Derry, NH 
     (5.9 miles away)
    603-432-8802
    Languages Spoken:
    English

    Steven Taylor is a Gastroenterologist practicing medicine in Derry, New Hampshire. Dr. Taylor is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His clinical expertise encompasses Benign Esophageal Stricture, Lower Esophageal Ring, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy.

    Experienced in Gardner Syndrome

    Dr. Richard F. Sawyer
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Richard F. Sawyer
    Gastroenterology
    Referral may be required

    Office

    25 Marston St Ste 402, 
    Lawrence, MA 
     (8.3 miles away)
    978-686-4400
    Languages Spoken:
    English
    See accepted insurances

    Richard Sawyer is a Gastroenterologist practicing medicine in Lawrence, Massachusetts. Dr. Sawyer is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Barrett Esophagus, Familial Adenomatous Polyposis, Endoscopy, and Gastrostomy.

    Experienced in Gardner Syndrome

    Dr. Mark C. Nitzberg
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Mark C. Nitzberg
    Gastroenterology
    Referral may be required

    Holy Family Hospital

    57 Wingate St, 
    Haverhill, MA 
     (9.4 miles away)
    978-687-0151
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Mark Nitzberg is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Nitzberg is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Ulcerative Colitis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Nitzberg is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Ye J. Lee
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Ye J. Lee
    Gastroenterology
    Referral may be required

    Mass General Brigham Community Physicians Inc

    500 Merrimack St, 
    Lawrence, MA 
     (9.5 miles away)
    978-557-8900
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Ye Lee is a Gastroenterologist practicing medicine in Lawrence, Massachusetts. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Esophagitis, Eosinophilic Esophagitis, Ulcerative Colitis, Colonoscopy, and Gastrectomy. Dr. Lee is currently accepting new patients.

    Experienced in Gardner Syndrome
    Experienced in Gardner Syndrome
    Referral may be required

    Pentucket Medical Associates LLC

    1 Park Way, 
    Haverhill, MA 
     (9.7 miles away)
    978-499-7200
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Mariann Padron-Gleich is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Padron-Gleich is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Familial Adenomatous Polyposis, Tenesmus, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Padron-Gleich is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Raja A. Rehman
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Raja A. Rehman
    Gastroenterology
    Referral may be required

    Pentucket Medical Associates LLC

    1 Park Way, 
    Haverhill, MA 
     (9.7 miles away)
    978-521-3235
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Raja Rehman is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Rehman is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Gallstones, Choledocholithiasis, Endoscopy, and Gastrostomy. Dr. Rehman is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Yehudith Dayan
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Yehudith Dayan
    Gastroenterology
    Referral may be required

    Pentucket Medical Associates LLC

    1 Park Way, 
    Haverhill, MA 
     (9.7 miles away)
    978-521-3200
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Yehudith Dayan is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Dayan is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Lactose Intolerance, Encopresis, Gas Bloat Syndrome, Endoscopy, and Colonoscopy. Dr. Dayan is currently accepting new patients.

    Advanced in Gardner Syndrome
    Advanced in Gardner Syndrome
    Referral may be required

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (10.6 miles away)
    603-577-5355
    Languages Spoken:
    English
    See accepted insurances

    Michael Kaczanowski is a Gastroenterologist practicing medicine in Nashua, New Hampshire. Dr. Kaczanowski is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Trichohepatoenteric Syndrome, Benign Esophageal Stricture, Endoscopy, and Gastrectomy.

    Advanced in Gardner Syndrome

    Dr. Win J. Travassos
    Gastroenterology
    Advanced in Gardner Syndrome

    Dr. Win J. Travassos
    Gastroenterology
    Referral may be required

    Digestive Health Specialists PC

    4 Meeting House Rd Ste 6-8, 
    Chelmsford, MA 
     (14.8 miles away)
    978-454-9811
    Languages Spoken:
    English
    See accepted insurances

    Win Travassos is a Gastroenterologist practicing medicine in Chelmsford, Massachusetts. Dr. Travassos is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Turcot Syndrome, and Endoscopy.

    Experienced in Gardner Syndrome

    Dr. John V. Flannery
    Colorectal Surgery
    Experienced in Gardner Syndrome

    Dr. John V. Flannery
    Colorectal Surgery
    Referral may be required

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (10.6 miles away)
    603-577-3322
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    John Flannery is a Colorectal Surgeon practicing medicine in Nashua, New Hampshire. Dr. Flannery is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Bowel Incontinence, Diverticular Disease, Rectal Prolapse, Ureteroscopy, and Colostomy. Dr. Flannery is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Rahman Haider
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Rahman Haider
    Gastroenterology
    Referral may be required

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (10.6 miles away)
    603-577-2000
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Rahman Haider is a Gastroenterologist practicing medicine in Nashua, New Hampshire. Dr. Haider is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His clinical expertise encompasses Gallstones, Choledocholithiasis, Gallbladder Disease, and Trichohepatoenteric Syndrome. Dr. Haider is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Bridget J. Seymour
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Bridget J. Seymour
    Gastroenterology
    Referral may be required

    Bilh Comprehensive Pain Care Office In Haverhill

    62 Brown St Ste 207, 
    Haverhill, MA 
     (10.7 miles away)
    978-420-1530
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Bridget Seymour is a Gastroenterologist practicing medicine in Haverhill, Massachusetts. Dr. Seymour is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Esophagitis, Barrett Esophagus, Hepatitis, Colonoscopy, and Endoscopy. Dr. Seymour is currently accepting new patients.

    Experienced in Gardner Syndrome

    Dr. Richard R. Dai
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Richard R. Dai
    Gastroenterology
    Referral may be required

    St Joseph Hospital Ob/Gyn & Midwifery

    168 Kinsley St Ste 20, 
    Nashua, NH 
     (10.8 miles away)
    603-883-0337
    Languages Spoken:
    English
    See accepted insurances

    Richard Dai is a Gastroenterologist practicing medicine in Nashua, New Hampshire. Dr. Dai is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Barrett Esophagus, Familial Adenomatous Polyposis, Gardner Syndrome, and Gastrectomy.

    Experienced in Gardner Syndrome

    Dr. Mark L. Mallek
    Gastroenterology
    Experienced in Gardner Syndrome

    Dr. Mark L. Mallek
    Gastroenterology
    Referral may be required

    Mark L. Mallek MD P.C.

    280 Main St Ste 340, 
    Nashua, NH 
     (10.8 miles away)
    603-881-8000
    Languages Spoken:
    English
    See accepted insurances

    Mark Mallek is a Gastroenterologist practicing medicine in Nashua, New Hampshire. Dr. Mallek is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy.

    Showing 1-20 of 28

    Last Updated: 09/26/2026

    What is the definition of Gardner Syndrome?

    Gardner syndrome is a form of familial adenomatous polyposis (FAP) that is characterized by multiple colorectal polyps and various types of tumors, both benign (noncancerous) and malignant (cancerous). They are also at an increased risk of developing other FAP-related cancers, such as those of the small bowel, stomach, pancreas, thyroid, central nervous system, liver, bile ducts, and/or adrenal gland. Other signs and symptoms of Gardner syndrome include dental abnormalities; osteomas (benign bone growths); various skin abnormalities such as epidermoid cysts, fibromas (a benign tumor of the connective tissue), and lipomas; and desmoid tumors. It is caused by changes in the APC gene and inherited in an autosomal dominant manner. These may include high risk screening, prophylactic surgeries and/or certain types of medications.

    When should I see a Gardner Syndrome doctor near windham, NH?

    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 Gardner Syndrome doctor near windham, NH?

    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 do I find the best Gardner Syndrome doctor near windham, NH?

    You can find a Gardner Syndrome doctor in any of the 10 largest U.S. cities by clicking below:

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    Gardner Syndrome doctor near San Jose, CA

    How does MediFind rank Gardner Syndrome doctors near windham, NH?

    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 Gardner Syndrome doctors near windham, NH?

    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 Gardner Syndrome doctor near windham, NH?

    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 Gardner Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Gardner Syndrome 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 Gardner Syndrome doctor near windham, NH?

    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 Gardner Syndrome 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 Gardner Syndrome 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 Gardner Syndrome doctors near windham, NH?

    Look for the filter feature on the left side of the Gardner Syndrome 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 Gardner Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Gardner Syndrome 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 

    Read more about our Content Policy. 

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