Dr. Peter D. Bloom

Name: Dr. Peter D. Bloom

Specialty: Gastroenterology, General Gastroenterology

Qualification/Board Certification: University at Buffalo School of Medicine

Affiliation(s): Endoscopy Center of Western New York, Endoscopy Center of Niagara

Location (City/State): Williamsville, New York

Languages Spoken: English

Accepting New Patients: Yes

NPI Number: 1316923253

About the Doctor

Dr. Peter D. Bloom is a highly experienced and fellowship-trained gastroenterologist based in Williamsville, New York, with over 20 years of clinical practice in general gastroenterology and digestive health. He earned his medical degree from the University at Buffalo School of Medicine, one of New York’s most respected medical institutions, and completed his residency in Internal Medicine at The MetroHealth System/Case Western Reserve University from 1990 to 1993, followed by a specialized Fellowship in Gastroenterology at the University of Maryland from 1994 to 1997, providing him with comprehensive training in the diagnosis and treatment of a wide range of gastrointestinal conditions. Dr. Bloom currently practices at Gastroenterology Associates, LLP, located at 60 Maple Rd, Suite 1, Williamsville, New York, and is affiliated with the Endoscopy Center of Western New York in Williamsville and the Endoscopy Center of Niagara in Niagara Falls, NY. He holds an active New York State Medical License through 2027 and accepts a broad range of insurance plans including Aetna, Humana, Cigna, Blue Cross Blue Shield, Elevance, United Healthcare, Highmark, MVP Health Care, and New York State Medicaid. Dr. Bloom has demonstrated particularly high treatment volumes compared to the New York state average in colonoscopy, upper GI endoscopy, acid reflux, and irritable bowel syndrome, reflecting his extensive experience and clinical depth in these areas. He has received a very positive 4 out of 5 overall patient experience rating based on 35 reviews and has been recognized with the Clearly Explains patient award. He is currently accepting new patients.

• Over 20 years of experience in general gastroenterology and digestive health
• MD from University at Buffalo School of Medicine
• Fellowship in Gastroenterology at University of Maryland (1994 to 1997)
• Residency in Internal Medicine at MetroHealth System/Case Western Reserve University
• High treatment volumes in colonoscopy, upper GI endoscopy, acid reflux, and IBS
• Affiliated with Endoscopy Center of Western New York and Endoscopy Center of Niagara
• Active New York State Medical License through 2027
• Accepts Aetna, Humana, Cigna, Blue Cross, United Healthcare, and NY State Medicaid
• Currently accepting new patients

Education & Training

• Medical School – MD, University at Buffalo School of Medicine, Buffalo, New York
• Residency – Internal Medicine, The MetroHealth System/Case Western Reserve University (1990 to 1993)
• Fellowship – Gastroenterology, University of Maryland (1994 to 1997)

Medical Conditions Treated

Dr. Bloom diagnoses and treats a comprehensive range of gastrointestinal, hepatic, and digestive health conditions in adult patients, with demonstrated expertise in several high-volume treatment areas.

• Acid reflux and gastroesophageal reflux disease (GERD)
• Irritable bowel syndrome (IBS)
• Inflammatory bowel disease (IBD) including Crohn’s disease and ulcerative colitis
• Colon polyps and colorectal cancer screening
• Swallowing problems and dysphagia
• Peptic ulcers and stomach disorders
• Fatty liver disease and hepatic conditions
• Celiac disease and gluten-related disorders
• Pancreatitis and pancreatic disorders
• Gallbladder and biliary tract conditions
• Gastrointestinal bleeding
• Hemorrhoids and anorectal conditions
• Constipation and bowel motility disorders
• Diverticulosis and diverticulitis

Medical Procedures Performed

Dr. Bloom is trained and experienced in a comprehensive range of gastroenterological diagnostic and therapeutic procedures, with high procedural volumes in several key endoscopic areas.

• Colonoscopy and colon cancer screening
• Upper GI Endoscopy and esophagogastroduodenoscopy (EGD)
• Inflammatory bowel disease evaluation and management
• GERD and acid reflux diagnosis and treatment
• IBS evaluation and management
• Polyp detection and removal during colonoscopy
• Gastrointestinal bleeding evaluation and management
• Liver disease evaluation and hepatic assessment
• Pancreatic and biliary tract evaluation
• Dysphagia and swallowing disorder assessment
• Hemorrhoid evaluation and treatment
• Celiac disease diagnostic workup
• Gastroenterology consultations and second opinions
• Chronic digestive condition monitoring and follow-up

Services Offered

Dr. Peter D. Bloom offers a comprehensive and highly specialized range of gastroenterology services at Gastroenterology Associates, LLP in Williamsville, New York, providing patients with expert, evidence-based diagnosis and treatment for a broad spectrum of digestive, hepatic, and gastrointestinal conditions. His practice is supported by affiliations with two dedicated endoscopy centers in Western New York, ensuring that patients have access to state-of-the-art endoscopic facilities for both diagnostic and therapeutic procedures.

His colonoscopy services are among his most frequently performed and clinically significant offerings. Dr. Bloom performs colonoscopies for colon cancer screening, polyp detection and removal, and the evaluation of bowel symptoms, with treatment volumes that are high compared to the New York state average. Early detection of colon polyps and colorectal cancer through routine colonoscopy can be life-saving, and Dr. Bloom’s extensive procedural experience ensures that patients receive thorough and reliable evaluations.

His upper GI endoscopy services allow for direct visualization of the esophagus, stomach, and upper small intestine to diagnose conditions such as GERD, peptic ulcers, Barrett’s esophagus, swallowing disorders, and upper gastrointestinal bleeding. Dr. Bloom also provides comprehensive management of acid reflux and GERD, one of the most common gastrointestinal conditions, helping patients achieve lasting symptom relief through individualized treatment plans that may include lifestyle modifications, medication management, and endoscopic evaluation.

For patients with chronic digestive disorders, Dr. Bloom offers long-term management of inflammatory bowel disease including Crohn’s disease and ulcerative colitis, irritable bowel syndrome, celiac disease, and fatty liver disease. His approach to these complex conditions combines thorough diagnostic evaluation with personalized, evidence-based treatment plans designed to minimize symptoms, prevent flares, and preserve long-term gastrointestinal health.

• Colonoscopy and colon cancer screening
• Upper GI endoscopy and EGD
• GERD and acid reflux diagnosis and management
• Irritable bowel syndrome evaluation and treatment
• Inflammatory bowel disease management
• Polyp detection and removal
• Gastrointestinal bleeding evaluation and management
• Fatty liver disease and hepatic condition management
• Pancreatitis and pancreatic disorder evaluation
• Gallbladder and biliary tract assessment
• Celiac disease diagnostic workup and management
• Dysphagia and swallowing disorder assessment
• Hemorrhoid evaluation and treatment
• Chronic digestive condition monitoring and follow-up
• Gastroenterology consultations and second opinions

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

Patients are advised to contact Dr. Bloom’s office directly at (716) 626-5250 to confirm current insurance acceptance and coverage details before scheduling an appointment.

Practice Locations

Location 1 – Gastroenterology Associates, LLP Address: 60 Maple Rd, Suite 1, Williamsville, NY 14221 Phone: (716) 626-5250

Hospital Affiliations

• Endoscopy Center of Western New York, Williamsville, New York (current)
• Endoscopy Center of Niagara, Niagara Falls, New York (current)
• University of Maryland (former – Gastroenterology Fellowship, 1994 to 1997)
• The MetroHealth System/Case Western Reserve University (former – Internal Medicine Residency, 1990 to 1993)