Summary

Dr. Rajkumar Mariwalla specializes in gastroenterology and internal medicine, bringing over five decades of medical experience to his practice. He earned his medical degree from Maulana Azad Medical College and completed his residency training at North Hampton General Hospital. With 51 years in medicine, Dr. Mariwalla has developed extensive expertise in digestive health conditions. He communicates with patients in both English and Spanish.

Dr. Mariwalla practices at Good Samaritan University Hospital and maintains locations in West Islip and Bay Shore, New York. He focuses on treating acid reflux and GERD, including these conditions in pediatric patients. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and monitor digestive tract conditions. Patients rate Dr. Mariwalla 3.6 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.5
  • 51 years of experience
  • 48 insurance plans accepted
  • speaks English, Spanish
  • North Hampton General Hospital
  • 8 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Rajkumar G Mariwalla has 3 locations

Island Gastroenterology Consultants Pc

1111 Montauk Hwy Fl 3 Ste 1West Islip, NY 11795
Mon9:00 am - 6:30 pm
Tue9:00 am - 6:30 pm
Wed9:00 am - 6:30 pm
Thu9:00 am - 6:30 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Rajkumar G Mariwalla, MD
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Dr. Rajkumar G Mariwalla, MDDr. Daniel Perl, MDDr. Michael Seth Rosman, MDLynn Collette-Zachar, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.5 
51 Years of Experience 11 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English
West Islip , NYNew York , NYNew York , NYTallahassee , FL
Med School: Maulana Azad Med Clg Med School: Icahn School Of Medicine At Mount Sinai Med School: New York University School Of Medicine Med School: Regis College
Current Profile
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Insurance Plans Accepted by Dr. Rajkumar G Mariwalla

  • Accepts Medicaid
  • 1199SEIU
  • AARP
  • Aetna
  • Anthem Blue Cross
  • APWU
  • Blue Cross Blue Shield
  • CDPHP
  • Cigna
  • Cigna - HMO
  • Cigna - PPO
  • ConnectiCare
  • EmblemHealth
  • EmblemHealth - PPO
  • Empire Blue Cross Blue Shield
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicaid (Managed)
  • Fidelis Care (NY) - Medicare (Advantage HMO)
  • GEHA
  • HealthFirst (NY)
  • HealthPartners
  • HealthSmart
  • Humana
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Nippon Life Benefits
  • Northwell Direct
  • Oscar Health Insurance
  • Partners Health Plan
  • Physicians Health Plan
  • Tricare
  • United American
  • United American - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - Federal Employees Program
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • UnitedHealthcare Community Plan
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - HMO
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. Rajkumar G Mariwalla has the following 2 specialties

Specialty Expertise

Dr. Rajkumar G Mariwalla has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastrointestinal Hemorrhage
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

51 Years Experience

Dr. Rajkumar G Mariwalla holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Residency

Completed their residency at North Hampton General Hospital.

Medical School

Graduated from Maulana Azad Med Clg and Maulana Azad Medical College in 1975.

NPI Number

Dr. Mariwalla's NPI number is 1154309037.

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Frequently Asked Questions

What languages does Dr. Rajkumar Mariwalla speak?
Dr. Rajkumar Mariwalla speaks English and Spanish.
Which hospitals is Dr. Rajkumar Mariwalla affiliated with?
Dr. Rajkumar Mariwalla is affiliated with Good Samaritan University Hospital.
Is Dr. Rajkumar Mariwalla accepting new patients?
Dr. Rajkumar Mariwalla is accepting new patients on Vitals. View Dr. Rajkumar Mariwalla's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Rajkumar Mariwalla?
You can find contact information for Dr. Rajkumar Mariwalla here on Vitals.
Does Dr. Rajkumar Mariwalla accept virtual/telehealth appointments?
Dr. Rajkumar Mariwalla has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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