Summary

Dr. Peter Brennan specializes in gastroenterology and internal medicine, bringing 46 years of experience to his practice. He earned his medical degree from SUNY Upstate Medical University Alan and Marlene Norton College of Medicine and completed his residency at Medical College of Virginia Hospital. Dr. Brennan is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Brennan practices at Cayuga Medical Center at Ithaca and sees patients through Cayuga Gastroenterology in Ithaca, New York. He focuses on treating digestive health conditions such as colon polyps, GERD, and acid reflux. His procedural expertise includes performing colonoscopies, lower GI endoscopy, and upper GI endoscopy to diagnose and treat gastrointestinal issues. Patients have given Dr. Brennan an average rating of 2.6 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 2.6
  • 46 years of experience
  • 31 insurance plans accepted
  • speaks English, Spanish
  • Medical College Of Virginia Hospital
  • 8 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Peter Terence Brennan has 3 locations

Cayuga Gastroenterology

1020 Craft Rd Ste CIthaca, NY 14850
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

Cayuga Gastroenterology

1020 Craft RdIthaca, NY 14850

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Dr. Peter Terence Brennan, MDJan Seiler, APRNAshley Anderson, APRNTheresa Obonyano, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
2.6 
46 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Ithaca , NYMontgomery , ALSACRAMENTO , CASACRAMENTO , CA
Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med Med School: Georgia State University Med School: East Tennessee State University - Quillen College of Medicine Med School: The University of Texas Health Science Center at Houston
Current Profile
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Insurance Plans Accepted by Dr. Peter Terence Brennan

  • AARP
  • Aetna
  • Aetna - Medicare
  • Blue Cross Blue Shield
  • Blue Shield of California
  • CHAMPVA
  • Cigna
  • EmblemHealth
  • Fidelis Care (NY)
  • Fidelis Care (NY) - HMO
  • Fidelis Care (NY) - Medicaid (Managed)
  • Guardian
  • Humana
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • MVP Health Care
  • MVP Health Care - HMO
  • Optum Health
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • Univera Healthcare
  • Univera Healthcare - PPO
  • Wellcare

Medical Specialties

Dr. Peter Terence Brennan has the following 2 specialties

Specialty Expertise

Dr. Peter Terence Brennan has the following 12 areas of expertise

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

Certifications, License, & Education

46 Years Experience

Dr. Peter Terence Brennan 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 2026.

Education & Training

Residency

Completed their residency at Medical College Of Virginia Hospital.

Medical School

Graduated from Suny Upstate Medical University Alan And Marlene Norton Coll Of Med in 1980.

NPI Number

Dr. Brennan's NPI number is 1780655118.

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Frequently Asked Questions

Does Dr. Peter Brennan accept my insurance?
You can see the insurance plans that Dr. Peter Brennan accepts on their Vitals profile.
Which hospitals is Dr. Peter Brennan affiliated with?
Dr. Peter Brennan is affiliated with Cayuga Medical Center At Ithaca.
Does Dr. Peter Brennan accept virtual/telehealth appointments?
Dr. Peter Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Peter Brennan accepting new patients?
Dr. Peter Brennan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Peter Brennan's office located?
Dr. Peter Brennan's office is located at 1020 Craft Rd Ste C, Ithaca, NY, 14850.

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