Affiliated with a Castle Connolly Top Hospital
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. 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 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 as a 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 a Gastroenterologist like Dr. Mariwalla typically 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. Learn more about our claims-based healthcare methodology here.
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:
- Indigestion
- Gas in the Digestive Tract
- Indigestion (Dyspepsia)
- Dyspepsia
- Upset Stomach
- Stomach Discomfort
ICD-10 Codes:
- K30: Functional dyspepsia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
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 a Gastroenterologist like Dr. Mariwalla typically perform?
As a Gastroenterologist, Dr. Mariwalla 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. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- Flexible Sigmoidoscopy with Biopsy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
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
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
HealthSmart
Medicare
UnitedHealth Group
Unknown
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
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.
What does a Gastroenterologist do?
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.
Is this Dr. Rajkumar Mariwalla affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mariwalla is affiliated with Good Samaritan University Hospital - West Islip, Ny, North Shore University Hospital, St. Catherine Of Siena Hospital, St. Francis Hospital & Heart Center, Long Island Jewish Medical Center, Mather 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 Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a 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 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?
Please contact Dr. Mariwalla's office at (631) 669-1171 for information about online booking, telehealth, or to schedule an appointment.
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.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>