Dr. Peter D. Bloom

Name: Dr. Peter D. Bloom
Specialty: Gastroenterology (General Gastroenterology)
Qualification/Board Certification: MD; Board certification not specified
Affiliation: Endoscopy Center of Western New York, Endoscopy Center of Niagara
Locations:  Williamsville, New York
Languages Spoken: English
Accepting New Patients: Contact office to confirm
NPI Number: 1316923253

About the Doctor

Dr. Peter D. Bloom is a gastroenterologist practicing in Williamsville, New York, with over 21 years of experience. He received his medical degree from the University at Buffalo School of Medicine, completed an internal medicine residency at The MetroHealth System/Case Western Reserve University, and pursued a gastroenterology fellowship at the University of Maryland. Dr. Bloom has a patient rating of 4/5 based on 35 reviews and has earned the “Clearly Explains” patient award. He is an expert in colonoscopy, upper GI endoscopy, inflammatory bowel disease (IBD), acid reflux (GERD), and irritable bowel syndrome (IBS). He accepts a wide range of insurance plans including Aetna, Humana, Cigna, Blue Cross, United Healthcare, and Medicaid.

• Graduate of University at Buffalo School of Medicine

• Residency in Internal Medicine at Case Western/MetroHealth

• Fellowship in Gastroenterology at University of Maryland

• Over 21 years of clinical experience

• 4/5 patient rating (35 reviews); “Clearly Explains” award

• Expert in colonoscopy, upper endoscopy, IBD, GERD, and IBS

• Accepts Medicaid and major plans including Aetna, Humana, Cigna, Blue Cross, United Healthcare

Education & Training

Medical School – University at Buffalo School of Medicine
Residency – The MetroHealth System/Case Western Reserve University, Internal Medicine 
Fellowship/Additional Training – University of Maryland, Gastroenterology

Medical Conditions Treated

• Inflammatory bowel disease (Crohn’s disease, ulcerative colitis)

• Gastroesophageal reflux disease (GERD) / acid reflux

• Irritable bowel syndrome (IBS)

• Colon polyps and colorectal cancer screening

• Barrett’s esophagus

• Celiac disease

• Peptic ulcer disease

• Dysphagia (swallowing difficulties)

• Pancreatitis

• Hepatitis and fatty liver disease

Medical Procedures Performed

• Colonoscopy (diagnostic, screening, polypectomy)

• Upper GI endoscopy (esophagogastroduodenoscopy – EGD)

• Biopsy of gastrointestinal tract (esophagus, stomach, colon)

• Esophageal dilation (for strictures)

• Hemorrhoid banding

• Capsule endoscopy

• Small bowel enteroscopy

• Placement and removal of percutaneous endoscopic gastrostomy (PEG) tubes

• Manometry and pH monitoring (inferred)

Services Offered

Dr. Peter D. Bloom provides comprehensive gastroenterology services for patients with disorders of the esophagus, stomach, intestines, liver, and pancreas. His practice emphasizes accurate diagnosis through thorough history and advanced endoscopic techniques, followed by medical or procedural management. He offers screening and diagnostic colonoscopy for colorectal cancer prevention, upper endoscopy for GERD and peptic ulcers, and management of chronic conditions such as IBD, IBS, and celiac disease. Dr. Bloom also performs polypectomy, dilation, and hemorrhoid banding. Patients appreciate his clear explanations and thorough examinations. He coordinates care with primary care physicians, surgeons, and nutritionists to optimize digestive health.

• Initial gastroenterology consultations for abdominal pain, reflux, diarrhea, constipation, and bleeding

• Screening colonoscopy for colorectal cancer (average and high risk)

• Diagnostic colonoscopy for polyps, inflammatory bowel disease, or bleeding

• Upper endoscopy (EGD) for heartburn, nausea, dysphagia, or ulcers

• Management of GERD (lifestyle, medications, anti-reflux interventions)

• Inflammatory bowel disease management (biologics, immunomodulators, surveillance colonoscopy)

• Irritable bowel syndrome (dietary modification, medications, stress management)

• Hemorrhoid banding and other anorectal procedures

• Hepatitis and fatty liver disease evaluation and treatment

• Preoperative endoscopic evaluations

Accepted Insurances

• Aetna (EPO, HMO, Medicare, POS, PPO)

• Blue Cross Blue Shield of Michigan (HMO, Medicare, POS, PPO)

• Cigna (PPO)

• Elevance (EPO, HMO, Medicaid, Medicare, POS, PPO)

• Highmark (EPO, PPO)

• Humana (Medicare, PPO)

• MVP Health Care (EPO, HMO, Medicaid, POS, PPO)

• NY State Medicaid (Medicaid)

• Regence Health Plans (PPO)

• United Healthcare (HMO, Medicaid, Medicare, POS, PPO)

Practice Locations

Address: 60 Maple Rd, Ste 1, Williamsville, NY 
Phone: (716) 626-5250

Hospital Affiliations

• Endoscopy Center of Western New York – Williamsville, New York

• Endoscopy Center of Niagara – Niagara Falls, New York