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Dr. Thomas Mcmahon, MD

Dr. Thomas Mcmahon, MD

Staples, MN

39 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mcmahon, Gastroenterologist in Staples, MN?

    Dr. Thomas Mcmahon, MD is a Gastroenterologist, who primarily practices in Staples, MN with 2 additional practice locations. He has been practicing for over 39 years and is board certified. Dr. Mcmahon graduated from Mechanical Engineering and completed his residency at Wake Forest University Baptist Medical Center Program. Dr. Mcmahon is fluent in English, and is currently seeing new patients. Dr. Mcmahon’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mcmahon’s office at (218) 894-1515.

    Where did Dr. Mcmahon go to medical school and complete their residency?

    • Residency: Wake Forest University Baptist Medical Center Program

    • Medical School: Mechanical Engineering

    What languages does Dr. Mcmahon speak?

    Dr. Mcmahon and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Mcmahon treat?

    As a Gastroenterologist, Dr. Mcmahon 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. Mcmahon. 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
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Difficulty Swallowing
    • Other Difficulty Swallowing
    • Throat and Esophagus Swallowing Difficulty
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing
    • Swallowing problems
    • Pharyngoesophageal dysphagia
    • Trouble swallowing in throat
    • Esophageal swallowing problems

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified
    • R1319: Other dysphagia
    • R1314: Dysphagia, pharyngoesophageal phase

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Dark, Tarry Stools (Melena)
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum
    • K922: Gastrointestinal hemorrhage, unspecified
    • K921: Melena

    Also known as:

    • Barrett's Esophagus
    • Other Esophagus Condition
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia
    • K2289: Other specified disease of esophagus

    Also known as:

    • Widespread Abdominal Pain
    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1084: Generalized abdominal pain
    • R1013: Epigastric pain

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Crohn's Disease Affecting Small and Large Intestines
    • Crohn's Disease
    • Crohn’s Disease
    • Panenteric Crohn's Disease
    • Crohn's of Both Bowels', 'Generalized Crohn's Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis

    ICD-10 Codes:

    • K5080: Crohn's disease of both small and large intestine without complications
    • K5090: Crohn's disease, unspecified, without complications

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    Also known as:

    • Ulcerative Pancolitis
    • Ulcerative Colitis
    • Chronic Pancolitis
    • Extensive Ulcerative Colitis
    • Inflammatory Bowel Disease (IBD)

    ICD-10 Codes:

    • K5100: Ulcerative (chronic) pancolitis without complications

    Does Dr. Mcmahon accept my insurance?

    Dr. Mcmahon accepts most major insurance plans. Important: Please call our office at (218) 894-1515 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mcmahon accept in Staples, MN?

    Dr. Mcmahon in Staples, MN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Federal Employee Program

    • Humana

    • Medicare

    • Molina

    • State of Virginia

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mcmahon's office located?

    Dr. Thomas Mcmahon's Primary Practice

    49725 County 83

    Staples, MN 56479

    (218) 894-1515

    Get Directions

    Dr. Thomas Mcmahon's Practice 2

    33 Staniford St

    Providence, RI 02905

    Get Directions

    Dr. Thomas Mcmahon's Practice 3

    110 Clock Tower Sq

    Portsmouth, RI 02871

    Get Directions

    What is Dr. Mcmahon's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mcmahon's National Provider Identifier (NPI) number is 1619048030.

    What common questions do patients ask about Dr. Mcmahon?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mcmahon

    What is Dr. Thomas Mcmahon's specialty?

    Dr. Mcmahon is a Gastroenterologist near Staples, MN. 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. Mcmahon to book an appointment today.

    Is this Dr. Thomas Mcmahon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mcmahon is affiliated with Riverside Regional Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 Thomas Mcmahon accepting new patients in Staples, MN?

    Yes, Dr. Thomas Mcmahon is accepting new patients at this time.

    Does Dr. Thomas Mcmahon offer online booking?

    Please contact Dr. Mcmahon's office at (218) 894-1515 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Mcmahon?

    Please contact Dr. Mcmahon's office at (218) 894-1515 for information regarding telehealth appointment availability or for scheduling assistance.

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