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Dr. Nitin Aggarwal, MD

North Chelmsford, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Aggarwal, Gastroenterologist in North Chelmsford, MA?

    Dr. Nitin Aggarwal, MD is a Gastroenterologist, who primarily practices in North Chelmsford, MA with 2 additional practice locations. He is board certified. Dr. Aggarwal is fluent in English, Kashmiri, and Spanish, and is currently seeing new patients. Dr. Aggarwal’s practice accepts Medicaid, Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Aggarwal’s office.

    What are Areas of Expertise for Dr. Aggarwal?

    Dr. Nitin Aggarwal, 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. Aggarwal empowers patients to confidently navigate their health journey, specializing in Celiac Disease, Endoscopy & Colonoscopy, Inflammatory Bowel Disease/Crohn's, Pancreatic Disease, or comprehensive wellness support. Serving the North Chelmsford/MA community, Dr. Aggarwal is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Aggarwal speak?

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

    • English

    • Kashmiri

    • Spanish

    What conditions does Dr. Aggarwal treat?

    As a Gastroenterologist, Dr. Aggarwal 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. Aggarwal. 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:

    • Exposure to COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • COVID-19 contact
    • Suspected coronavirus exposure
    • SARS-CoV-2 exposure

    ICD-10 Codes:

    • Z20822: Contact with and (suspected) exposure to COVID-19

    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:

    • 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:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

    • Pre-Procedure Lab Tests
    • Other Pre-Procedure Examination
    • Pre-op blood work
    • Lab tests before surgery
    • Pre-treatment lab assessment
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01812: Encounter for preprocedural laboratory examination
    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    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

    Also known as:

    • Blocked Esophagus
    • Esophagus Disorder
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty

    ICD-10 Codes:

    • K222: Esophageal obstruction

    Also known as:

    • Benign Ascending Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Chronic Hepatitis B
    • Hepatitis B
    • Long-term Hepatitis B
    • Persistent Hepatitis B
    • Hep B

    ICD-10 Codes:

    • B181: Chronic viral hepatitis B without delta-agent

    Also known as:

    • Abnormal Liver Function Test
    • Liver Disease
    • Irregular Liver Function Study
    • Unusual Liver Exam
    • Liver Disease Diagnosis

    ICD-10 Codes:

    • R945: Abnormal results of liver function studies

    Also known as:

    • Screening for Other Viral Disease
    • Health Screening
    • Other Viral Infection Screening
    • Miscellaneous Virus Test
    • Non-COVID Viral Screening

    ICD-10 Codes:

    • Z1159: Encounter for screening for other viral diseases

    Does Dr. Aggarwal accept my insurance?

    Dr. Aggarwal 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. Aggarwal accept in North Chelmsford, MA?

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

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Massachusetts

    • Boston Medical Center

    • CVS Health (formerly Aetna)

    • Fallon Community Health Plan

    • Medicare

    • Molina

    • Point32Health

    • State of Massachusetts

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Aggarwal's office located?

    Dr. Nitin Aggarwal's Primary Practice

    20 Research Pl Ste 220

    North Chelmsford, MA 01863

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    Dr. Nitin Aggarwal's Practice 2

    4 Meeting House Rd Ste 6

    Chelmsford, MA 01824

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    Dr. Nitin Aggarwal's Practice 3

    300 Federal St Ste 103

    Andover, MA 01810

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

    Dr. Aggarwal's National Provider Identifier (NPI) number is 1407145402.

    What common questions do patients ask about Dr. Aggarwal?

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

    What is Dr. Nitin Aggarwal's specialty?

    Dr. Aggarwal is a Gastroenterologist near North Chelmsford, MA. 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. Aggarwal to book an appointment today.

    Is this Dr. Nitin Aggarwal affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Aggarwal is affiliated with Lowell General Hospital, MerrimackHealth Lawrence 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

    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 Nitin Aggarwal accepting new patients in North Chelmsford, MA?

    Yes, Dr. Nitin Aggarwal is accepting new patients at this time.

    Does Dr. Nitin Aggarwal offer online booking?

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

    How can I make an appointment with Nitin Aggarwal?

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

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