Summary

Dr. Prakash Viswanathan is a gastroenterologist who earned his medical degree from St. Georges University School of Medicine. He completed his residency training at Stony Brook University Medical Center, building expertise in digestive health conditions over the past 21 years. Dr. Viswanathan speaks both Spanish and English, allowing him to serve diverse patient communities.

Dr. Viswanathan practices at NYU Langone Medical Associates in East Patchogue, New York, with hospital privileges at North Memorial Health Robbinsdale Hospital. His clinical expertise includes treating acute pancreatitis and autoimmune pancreatitis, as well as caring for patients with cholangiocarcinoma. He performs advanced endoscopy procedures, cancer screening, and celiac plexus neurolysis to help manage complex digestive conditions. Patients rate Dr. Viswanathan 4.5 out of 5 stars for his care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.5
  • 21 years of experience
  • 5 insurance plans accepted
  • speaks Spanish, English
  • Stony Brook University Medical Center
  • 3 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

NYU Langone Medical Associates—East Patchogue

285 Sills Rd Bldg 56East Patchogue, NY 11772

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Dr. Prakash Viswanathan, MD
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Dr. Prakash Viswanathan, MDRachel Oliver, APRNJan Seiler, APRNJi Soo Choi, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
21 Years of Experience
Virtual Visit Available Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English Speaks English
East Patchogue , NYSACRAMENTO , CAMontgomery , ALSACRAMENTO , CA
Med School: St Georges University School Of Medicine Med School: University of South Alabama Med School: Georgia State University Med School: New York University
Current Profile
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Insurance Plans Accepted by Dr. Prakash Viswanathan

  • Accepts Medicare
  • Aetna HMO
  • Aetna Indemnity
  • Aetna Medicare
  • Local 1199 - NYU Hospital Member Choice
  • Local 1199 PPO

Medical Specialties

Dr. Prakash Viswanathan has the following 2 specialties

Specialty Expertise

Dr. Prakash Viswanathan has the following 9 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

21 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Residency

Stony Brook University Medical Center

Medical School

St Georges University School Of MedicineGraduated in 2005

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Frequently Asked Questions

How can I make an appointment with Dr. Prakash Viswanathan?
You can find contact information for Dr. Prakash Viswanathan here on Vitals.
Where is Dr. Prakash Viswanathan's office located?
Dr. Prakash Viswanathan's office is located at 285 Sills Rd Bldg 56, East Patchogue, NY, 11772.
Does Dr. Prakash Viswanathan accept my insurance?
You can see the insurance plans that Dr. Prakash Viswanathan accepts on their Vitals profile.
Does Dr. Prakash Viswanathan accept virtual/telehealth appointments?
Yes, Dr. Prakash Viswanathan accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
Is Dr. Prakash Viswanathan accepting new patients?
Dr. Prakash Viswanathan is accepting new patients on Vitals. View Dr. Prakash Viswanathan's profile on Vitals to make an appointment.

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