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Dr. Francis Macmillan, MD

Exeter, NH

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Macmillan, Gastroenterologist in Exeter, NH?

    Dr. Francis Macmillan, MD is a Gastroenterologist, who primarily practices in Exeter, NH with 2 additional practice locations. He has been practicing for over 24 years and is board certified. Dr. Macmillan is fluent in English and Spanish, and is currently seeing new patients. Dr. Macmillan’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Macmillan’s office at (603) 772-5528.

    What languages does Dr. Macmillan speak?

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

    • English

    • Spanish

    What conditions does Dr. Macmillan treat?

    As a Gastroenterologist, Dr. Macmillan 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. Macmillan. 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:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

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

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum
    • K921: Melena

    Also known as:

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

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified
    • D500: Iron deficiency anemia secondary to blood loss (chronic)

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, 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:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    Also known as:

    • Eosinophilic Esophagitis
    • Blocked Esophagus
    • Esophagus Disorder
    • EoE
    • Allergic Esophagitis
    • Eosinophilic Inflammation of Esophagus
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty

    ICD-10 Codes:

    • K200: Eosinophilic esophagitis
    • K222: Esophageal obstruction

    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:

    • Cirrhosis
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver

    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:

    • Chronic Idiopathic Constipation
    • Constipation
    • Functional Constipation
    • Unexplained Chronic Constipation
    • Long-Term Constipation

    ICD-10 Codes:

    • K5904: Chronic idiopathic constipation

    Also known as:

    • Crohn's Disease of the Small Intestine with Bowel Blockage
    • Crohn's Disease
    • Intestinal Obstruction
    • Crohn’s Disease
    • Small Bowel Crohn's with Obstruction', 'Ileitis with Intestinal Blockage', 'Bowel Obstruction from Crohn's

    ICD-10 Codes:

    • K50012: Crohn's disease of small intestine with intestinal obstruction

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Does Dr. Macmillan accept my insurance?

    Dr. Macmillan accepts most major insurance plans. Important: Please call our office at (603) 772-5528 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Macmillan accept in Exeter, NH?

    Dr. Macmillan in Exeter, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Boston Medical Center

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Health Plans

    • Medicare

    • Point32Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Macmillan's office located?

    Dr. Francis Macmillan's Primary Practice

    3 Alumni Dr Ste 301

    Exeter, NH 03833

    (603) 772-5528

    Get Directions

    Dr. Francis Macmillan's Practice 2

    3 Alumni Dr Ste 201

    Brentwood, NH 03833

    Get Directions

    Dr. Francis Macmillan's Practice 3

    100 Hitchcock Way

    Manchester, NH 03104

    Get Directions

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

    Dr. Macmillan's National Provider Identifier (NPI) number is 1205804952.

    What common questions do patients ask about Dr. Macmillan?

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

    What is Dr. Francis Macmillan's specialty?

    Dr. Macmillan is a Gastroenterologist near Exeter, NH. 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. Macmillan to book an appointment today.

    Is this Dr. Francis Macmillan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Macmillan is affiliated with Dartmouth Hitchcock Medical Center, Exeter Hospital, Elliot Hospital, Dartmouth Hitchcock Medical Center which are a Castle Connolly Top Hospitals. 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 Francis Macmillan accepting new patients in Exeter, NH?

    Yes, Dr. Francis Macmillan is accepting new patients at this time.

    Does Dr. Francis Macmillan offer online booking?

    Please contact Dr. Macmillan's office at (603) 772-5528 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Francis Macmillan?

    Please contact Dr. Macmillan's office at (603) 772-5528 for information regarding telehealth appointment availability or for scheduling assistance.

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