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Dr. Christopher Dainiak, MD

Dr. Christopher Dainiak, MD

Bedford, NH

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Dainiak, Gastroenterologist in Bedford, NH?

    Dr. Christopher Dainiak, MD is a Gastroenterologist, who primarily practices in Bedford, NH with 2 additional practice locations. He has been practicing for over 26 years. Dr. Dainiak graduated from University of Connecticut School of Medicine and completed his residency at Yale New Haven Hospital. Dr. Dainiak is fluent in English, and is currently seeing new patients. Dr. Dainiak’s practice accepts Cigna, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Dainiak’s office.

    What are Areas of Expertise for Dr. Dainiak?

    Dr. Christopher Dainiak, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Dainiak empowers patients to confidently navigate their health journey, specializing in Endoscopy, Esophageal Motility, Liver Disease, or comprehensive wellness support. Serving the Bedford/NH community, Dr. Dainiak is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Yale New Haven Hospital | Norwalk Hospital Program

    • Medical School: University of Connecticut School of Medicine

    What languages does Dr. Dainiak speak?

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

    • English

    What conditions does Dr. Dainiak treat?

    As a Gastroenterologist, Dr. Dainiak 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. Dainiak. 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
    • 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:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Dainiak perform?

    As a Gastroenterologist, Dr. Dainiak performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Dainiak. 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:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Upper Endoscopy with Injections
    • Diagnostic Upper Endoscopy with Biopsy
    • EGD with Submucosal Injections
    • Esophagogastroduodenoscopy with Injections
    • Stomach Scope with Medication
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample

    CPT Codes:

    • 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Does Dr. Dainiak accept my insurance?

    Dr. Dainiak accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Dainiak accept in Bedford, NH?

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

    Top Insurances

    • All Other Third Party

    • Boston Medical Center

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • HealthComp

    • Independence Blue Cross

    • Medicare

    • Point32Health

    • State of Tennessee

    • UnitedHealthcare

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    Where is Dr. Dainiak's office located?

    Dr. Christopher Dainiak's Primary Practice

    160 S River Rd Ste 2300

    Bedford, NH 03110

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    Dr. Christopher Dainiak's Practice 2

    6 Old Fremont Road Ext

    Raymond, NH 03077

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    Dr. Christopher Dainiak's Practice 3

    18 Orchard View Dr Unit 2

    Londonderry, NH 03053

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

    Dr. Dainiak's National Provider Identifier (NPI) number is 1710942354.

    What common questions do patients ask about Dr. Dainiak?

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

    What is Dr. Christopher Dainiak's specialty?

    Dr. Dainiak is a Gastroenterologist near Bedford, 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. Dainiak to book an appointment today.

    Is this Dr. Christopher Dainiak affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Dainiak is affiliated with Parkland Medical Center, Catholic 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 Christopher Dainiak accepting new patients in Bedford, NH?

    Yes, Dr. Christopher Dainiak is accepting new patients at this time.

    Does Dr. Christopher Dainiak offer online booking?

    Please contact Dr. Dainiak's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Christopher Dainiak?

    Please contact Dr. Dainiak's office for information regarding telehealth appointment availability or for scheduling assistance.

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