Summary

Dr. Claudia Gruss is a gastroenterologist and internal medicine physician who has been practicing medicine for nearly five decades. She earned her medical degree from the Warren Alpert Medical School of Brown University and completed her residency training at Rhode Island Hospital. Her dual expertise in gastroenterology and internal medicine allows her to provide comprehensive care for digestive health concerns while addressing broader medical needs. Dr. Gruss is fluent in both English and Spanish, enabling her to care for a diverse patient population.

Dr. Gruss practices primarily at Norwalk Hospital and maintains offices at several locations throughout Norwalk and Wilton, Connecticut. With her extensive experience spanning 49 years, she brings deep clinical knowledge to the diagnosis and treatment of gastrointestinal conditions. Her practice locations include specialized gastroenterology services in Norwalk as well as comprehensive primary and specialty care options in Wilton. Patients have given Dr. Gruss an average rating of 3.0 on Vitals.
Read More Read less

Overview based on verified provider data

Quick Facts

  • 3
  • 49 years of experience
  • 6 insurance plans accepted
  • speaks English, Spanish
  • Rhode Island Hospital
  • 1 written review
  • 2 specialties
  • 13 areas of expertise
  • 1 hospital affiliation
  • 4 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Flexible scheduling

Office Locations

Dr. Claudia B Gruss has 4 locations

Nuvance Health Gastroenterology Norwalk

40 Cross St Ste 400ANorwalk, CT 06851
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

WCMG Wilton Primary and Specialty Care

249 Danbury Rd Ste 100Wilton, CT 06897

Nuvance Health Medical Practices - Gastroenterology

30 Stevens St Ste BNorwalk, CT 06850
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Norwalk Hospital

34 Maple StNorwalk, CT 06850

Compare with Similar Doctors

Dr. Claudia B Gruss, MD
Dr. Sarah S Lusman, MD
Dr. Jessica P Harris, MD
Dr. Lorna Mills Dove, MD
Dr. Claudia B Gruss, MDDr. Sarah S Lusman, MDDr. Jessica P Harris, MDDr. Lorna Mills Dove, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
49 Years of Experience 21 Years of Experience 11 Years of Experience 36 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks Spanish Speaks Mandarin, Spanish Speaks English, Spanish
Norwalk , CTNew York , NYYorktown Heights , NYNew York , NY
Med School: Warren Alpert Medical School Of Brown University Med School: Columbia University College Of Physicians & Surgeons Med School: Icahn School Of Medicine At Mount Sinai Med School: Columbia University College Of Physicians & Surgeons
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Claudia B Gruss

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • ConnectiCare
  • Humana - Medicare (Advantage HMO)
  • UnitedHealthcare

Medical Specialties

Dr. Claudia B Gruss has the following 2 specialties

Specialty Expertise

Dr. Claudia B Gruss has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Capsule Endoscopy
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

49 Years Experience

Dr. Claudia B Gruss holds an expired medical license in the state of Connecticut.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2026.

Education & Training

Residency

Completed their residency at Rhode Island Hospital.

Medical School

Graduated from Warren Alpert Medical School Of Brown University in 1977.

NPI Number

Dr. Gruss' NPI number is 1548207194.

Similar doctors

Frequently Asked Questions

Which hospitals is Dr. Claudia Gruss affiliated with?
Dr. Claudia Gruss is affiliated with Norwalk Hospital.
What languages does Dr. Claudia Gruss speak?
Dr. Claudia Gruss speaks English and Spanish.
Is Dr. Claudia Gruss accepting new patients?
Dr. Claudia Gruss has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Claudia Gruss's office located?
Dr. Claudia Gruss's office is located at 40 Cross St Ste 400A, Norwalk, CT, 06851.
How can I make an appointment with Dr. Claudia Gruss?
You can find contact information for Dr. Claudia Gruss here on Vitals.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.