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Dr. Jay Thiagarajah, PHD

Boston, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Thiagarajah, Pediatric Gastroenterologist in Boston, MA?

    Dr. Jay Thiagarajah, PHD is a Pediatric Gastroenterologist, who primarily practices in Boston, MA. Dr. Thiagarajah is fluent in English, and is currently seeing new patients. Dr. Thiagarajah’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thiagarajah’s office at (781) 216-3800.

    What languages does Dr. Thiagarajah speak?

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

    • English

    What conditions does a Pediatric Gastroenterologist like Dr. Thiagarajah typically treat?

    As a Pediatric Gastroenterologist, Dr. Thiagarajah 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. Thiagarajah. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Widespread Abdominal Pain
    • Abdominal Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain

    ICD-10 Codes:

    • R1084: Generalized abdominal pain

    Also known as:

    • Feeding Difficulties
    • Other Feeding Difficulties
    • Eating Problems
    • Swallowing Problems
    • Unspecified Feeding Issues
    • Atypical Feeding Problems
    • Unusual Eating Issues
    • Specific Feeding Challenges

    ICD-10 Codes:

    • R6330: Feeding difficulties, unspecified
    • R6339: Other feeding difficulties

    Also known as:

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

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Failure to Thrive in Children
    • Growth Disorder
    • Poor growth in children
    • Childhood growth problems
    • Infant growth failure

    ICD-10 Codes:

    • R6251: Failure to thrive (child)

    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

    ICD-10 Codes:

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

    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

    What procedures does a Pediatric Gastroenterologist like Dr. Thiagarajah typically perform?

    As a Pediatric Gastroenterologist, procedures performed by Dr. Jay Thiagarajah may include:

    Please contact Dr. Thiagarajah's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Thiagarajah accept my insurance?

    Dr. Thiagarajah accepts most major insurance plans. Important: Please call our office at (781) 216-3800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Thiagarajah accept in Boston, MA?

    Dr. Thiagarajah in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Massachusetts

    • BMC Health System

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Fallon Health

    • Mass General Brigham

    • Point32Health

    • State of Massachusetts

    • UMR Administered Payer

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Thiagarajah's office located?

    Dr. Jay Thiagarajah's Primary Practice

    300 Longwood Ave

    Boston, MA 02115

    (781) 216-3800

    Get Directions

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

    Dr. Thiagarajah's National Provider Identifier (NPI) number is 1043539794.

    What common questions do patients ask about Dr. Thiagarajah?

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

    What is Dr. Jay Thiagarajah's specialty?

    Dr. Thiagarajah is a Pediatric Gastroenterologist near Boston, MA.

    What does a Pediatric Gastroenterologist do?

    A pediatrician specializing in diagnosing and treating digestive system diseases in infants, children, and adolescents. This expert manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice and is skilled in performing complex diagnostic and therapeutic procedures using endoscopic techniques to visualize internal organs.

    Is this Dr. Jay Thiagarajah affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Thiagarajah is affiliated with Beth Israel Deaconess Medical Center-Boston, Winchester Hospital 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

    When to see a Pediatric Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatric Gastroenterologist. Explore 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 Jay Thiagarajah accepting new patients in Boston, MA?

    Yes, Dr. Jay Thiagarajah is accepting new patients at this time.

    Does Dr. Jay Thiagarajah offer online booking?

    Please contact Dr. Thiagarajah's office at (781) 216-3800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jay Thiagarajah?

    Please contact Dr. Thiagarajah's office at (781) 216-3800 for information regarding telehealth appointment availability or for scheduling assistance.

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