Browse Health
Gastroenterologist (digestive)
20 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Renuka Umashanker is Excellent. Dr. Umashanker has been reviewed by 9 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.7
Courteous Staff 4.7
Accurate Diagnosis 4.3
Bedside Manner 4.7
Spends Time with Me 4.3
Follows Up After Visit 4.0

Specialties & Research

Dr. Renuka Umashanker, MD is board certified in Gastroenterology.

  • She has special expertise in 18 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Chronic Hepatitis C
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Endoscopic Ultrasound (Fetoscopy)
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Jaundice
  • Obesity
  • Peptic Ulcer
  • Sigmoidoscopy
  • Ulcerative Colitis
  • Viral Human Hepatitis

Education & Awards

Dr. Umashanker graduated from State University of New York Downstate, Brooklyn. She has 3 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)
On-Time Doctor Award (2014)


Dr. Umashanker has 7 hospital affiliations:

  • Middlesex Hospital 
  • Hospital Of St Raphael 


  • Hindi
  • Tamil
  • Spanish

> > > > Dr. Renuka Umashanker, MD

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Additional Information
Dr. Renuka Umashanker MD is a female Internist, has 20 years of experience and practices in Gastroenterology.
Where does Dr. Renuka Umashanker practice?
Dr. Renuka Umashanker has 2 office locations.
Dr. Renuka Umashanker practices Gastroenterology near Hamden, CT.
Additional practice locations include: Guilford, CT.
See Hamden Gastroenterologists.