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Dr. Rajkumar Mariwalla, MD

West Islip, NY

Accepting patients
Online booking

    Who is Dr. Mariwalla, Gastroenterologist in West Islip, NY?

    Dr. Rajkumar Mariwalla, MD is a Gastroenterologist, who primarily practices in West Islip, NY. He is board certified by the American Board of Internal Medicine. Dr. Mariwalla graduated from Maulana Azad Medical College and completed his residency at Univ Hosp-Suny Stony Brook, Gastroenterology; Jersey City Med Ctr, Internal Medicine. Dr. Mariwalla is fluent in English and Hindi, and is currently seeing new patients. Dr. Mariwalla’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mariwalla’s office at (631) 669-1171.

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

    • Residency: Univ Hosp-Suny Stony Brook, Gastroenterology; Jersey City Med Ctr, Internal Medicine | NORTH HAMPTON GENERAL HOSPITAL

    • Medical School: Maulana Azad Med Coll- Univ Of Delhi- New Delhi- Delhi- India | Maulana Azad Medical College

    Is Dr. Mariwalla board certified in Gastroenterologist?

    Yes, Dr. Rajkumar Mariwalla, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mariwalla speak?

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

    • English

    • Hindi

    What conditions does Dr. Mariwalla treat?

    As a Gastroenterologist, Dr. Mariwalla 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. Mariwalla. 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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • Z860100: Personal history of colon polyps, unspecified

    Also known as:

    • Upper Middle Abdominal Pain
    • Pain in Lower Left Abdomen
    • Abdominal Pain
    • Pelvic Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • Left lower quadrant pain
    • Pain in left side of belly
    • Left side abdominal discomfort
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R1032: Left lower quadrant pain
    • R109: Unspecified abdominal pain

    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:

    • Indigestion
    • Gas in the Digestive Tract
    • Indigestion (Dyspepsia)
    • Dyspepsia
    • Upset Stomach
    • Stomach Discomfort

    ICD-10 Codes:

    • K30: Functional dyspepsia

    Also known as:

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

    ICD-10 Codes:

    • K5909: Other constipation
    • K5900: Constipation, unspecified

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    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:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Irritable Bowel Syndrome (IBS)
    • Irritable Bowel Syndrome
    • Spastic Colon
    • Functional Bowel Disorder
    • IBS

    ICD-10 Codes:

    • K589: Irritable bowel syndrome, unspecified

    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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    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

    Does Dr. Mariwalla accept my insurance?

    Dr. Mariwalla accepts most major insurance plans. Important: Please call our office at (631) 669-1171 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mariwalla accept in West Islip, NY?

    Dr. Mariwalla in West Islip, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • HealthSmart

    • Medicare

    • Service Employees International Union (SEIU)

    • State of New York

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mariwalla's office located?

    Dr. Rajkumar Mariwalla's Primary Practice

    1111 Montauk Hwy Ste 3

    West Islip, NY 11795

    (631) 669-1171

    Get Directions

    Would you like to schedule an appointment with Dr. Rajkumar Mariwalla?

    Dr. Mariwalla has appointments available at his West Islip, NY office. Please select a date and time below.

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

    Dr. Mariwalla's National Provider Identifier (NPI) number is 1154309037.

    What common questions do patients ask about Dr. Mariwalla?

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

    What is Dr. Rajkumar Mariwalla's specialty?

    Dr. Mariwalla is a Gastroenterologist near West Islip, NY. 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. Mariwalla to book an appointment today.

    Is this Dr. Rajkumar Mariwalla affiliated with a ranked Castle Connolly Top Hospital?

    No, Mariwalla is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Rajkumar Mariwalla accepting new patients in West Islip, NY?

    Yes, Dr. Rajkumar Mariwalla is accepting new patients at this time.

    Does Dr. Rajkumar Mariwalla offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Mariwalla, or call (631) 669-1171 for more information.

    How can I make an appointment with Rajkumar Mariwalla?

    Please contact Dr. Mariwalla's office at (631) 669-1171 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Rajkumar Mariwalla have?

    Dr. Rajkumar Mariwalla is certified by the American Board of Internal Medicine.

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