Dr. Peter T Brennan, MD



Internal Medicine     -  New York,  Ithaca

 Overview

Dr. Peter T Brennan, MD works in Ithaca, New York is a specialist in Internal Medicine, Gastroenterology and graduated Med College Va in 1985. Dr. Brennan is affiliated with Cayuga Medical Center at Ithaca and practicing for 43 years

 Specialties

  • Internal Medicine
  • Gastroenterology

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
• Endophthalmitis
  ...
• Esophageal Achalasia and Cardiospasm
• Ethmoidectomy (Sinus Surgery)
• Exercise Management
• Female Pelvic Disorders
• Glaucoma - Ectopia Microspherophakia - Stiff Joints - Short Stature
• Guar Gum Allergy
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Lens Disorders
• Lower Back Injuries
• Maxillary and Malar Fractures
• Minimally Invasive Resection of Mediastinal Tumor
• Optic Ataxia
• Orbital Fracture
• Panic Disorder With Agorapobia
• Pinkeye (Conjunctivitis)
• Polycystic Ovarian Syndrome
• Pterygium
• Radical Retropubic Prostate Removal
• Radiesse® Injections
• Renal Artery Stenosis (RAS)
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Rheumatoid Lung Disease
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Throat Culture
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Abdominal Pain
• Anemia
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Biliary Atresia
• Cholecystitis and Gallstones
• Cirrhosis
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
  ...
• Diaphragmatic and-or Hiatal Hernia
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Diverticulum of Esophagus
• Duodenal Ulcer
• Duodenitis
• Dysentery
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• ERCP (Endoscopic Retrograde Cholangiopancreatography)
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Ulcer
• Esophageal Varices
• Esophagitis
• Fecal Impaction Removal
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastrojejunal Ulcer
• Gastroparesis
• Heartburn
• Hemochromatosis
• Hemorrhoids
• Hepatitis B - Immune Response
• Hepatorenal Syndrome
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Liver Biopsy
• Malnutrition
• Manometry
• Non-Neonatal Jaundice
• Pancreatitis
• Pyloric Stenosis
• Stomach and Small Intestine Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
• Vascular Insufficiency of Intestines
• Vomiting Disorders
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 43

 State License

  • New York

 Education & Training

Fellowship Hospital

Med College Va

Richmond, VA, USA

Year completed: 1985

Medical School

Suny Upstate Medical University (Syracuse)

Syracuse, NY, United States

Graduated: 1980

Residency Hospital

University Of Virginia Hospital

Charlottesville, VA, USA

Year completed: 1983

 Awards

1   ACP
2   AGA
3   AMA
4   AOA

 Dr. Brennan Reviews

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 Office Locations


Primary location

 Gastroenterology Associates
201 Dates Drive Suite 308
New York (NY)
Ithaca
14850
 Phone:(607) 272-5011
Additional data:
Free Standing Surgery Center?    No
Office Volume:    65 patients per day
Performs Procedures On Site?    Yes

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Gastroenterology Associates, 201 Dates Drive Suite 308, Ithaca, New York (NY), 14850




 Insurances Accepted (check insurance plans)

  • Aetna
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Choice Plus POS II
  • Cigna
  • Cigna PPO
  • Commercial Insurance Company
  • EBS-RMSCO
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • Excellus Bue Cross Blue Shield
  • Excellus Bue Cross Blue Shield PPO
  • Fallon Community Health Plan
  • Great West Healthcare-Cigna PPO
  • Medicare
  • Medicare MCR
  • MVP Health Care
  • MVP Health Care PPO
  • Open Access Plus
  • POMCO Group
  • Universal American

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Peter T Brennan, MD are not present.

 Patients Questions

Patients questions for Dr. Peter T Brennan, MD are not present.

 Affiliated Hospitals


Cayuga Medical Center at Ithaca photo


Cayuga Medical Center at Ithaca

101 Dates Drive New York NY, Ithaca, 14850

Cayuga Medical Center at Ithaca is a hospital located in Ithaca, NY. Procedures/Diagnosis costs are above the state average in 7 of 10 procedures. Length of Stay is at the state average in 8 of 10 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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