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Dr. Norman Callahan, DO

Gastroenterology ·  Male · Age 58

Dr. Callahan

Main Line Gastroenterlgy Assocs

325 Central Ave Ste 200 Malvern, PA 19355

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Dr. Norman Callahan, DO is a gastroenterology specialist in Malvern, PA and has been practicing for 22 years. He graduated from Philadelphia College Of Osteopathic Medicine in 1991 and specializes in gastroenterology and internal medicine.


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Dr. Callahan accepts

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(610) 644-6755

Dr. Callahan accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Select
Amerihealth
Personal Choice PPO
Blue Cross Blue Shield
Blue Card PPO
Capital Blue Cross
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
Coventry Health Care
Coventry Health America PPO
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Background Check

Healthgrades does not collect malpractice claims information for Pennsylvania
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Callahan's experience treating your condition or procedure

Dr. Callahan's Top Procedures and Conditions

Treatment Frequency
Gastrointestinal Diseases
very high
very high

Treatment Frequency

Dr. Callahan treats Gastrointestinal Diseases more than 99% of his peers

Dr. Callahan treats this condition more than 99% of his peers

Noninfectious Gastroenteritis and Colitis
very high
very high

Treatment Frequency

Dr. Callahan treats Noninfectious Gastroenteritis and Colitis more than 98% of his peers

Dr. Callahan treats this condition more than 98% of his peers

Abdominal Disorders
very high
very high

Treatment Frequency

Dr. Callahan treats Abdominal Disorders more than 98% of his peers

Dr. Callahan treats this condition more than 98% of his peers

Dr. Callahan's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • All Types of Food Poisoning
  • Anal or Rectal Pain
  • Anemia
  • Anoscopy
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Bile Duct Procedure
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Food Poisoning
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Atresia
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Biopsy
  • Liver Damage from Alcohol
  • Malnutrition
  • Megacolon
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Non-Neonatal Jaundice
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Salmonella Food Poisoning
  • Small Intestine Cancer
  • Stomach and Small Intestine Cancer
  • Stomach Diseases
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Enteritis
  • Viral Hepatitis
  • Viral Infection
  • Vomiting Disorders

About Me

Biography

Dr. Norman Callahan, DO is a gastroenterology specialist in Malvern, PA and has been practicing for 22 years. He graduated from Philadelphia College Of Osteopathic Medicine in 1991 and specializes in gastroenterology and internal medicine.

Specialties

  • Gastroenterology
  • Internal Medicine

Board Certifications

Education

1997
Lankenau Hospital
Fellowship Hospital
1995
Lankenau Hospital
Residency Hospital
1992
Suburban Gen Hospital
Internship Hospital
1991
Philadelphia College Of Osteopathic Medicine
Medical School
1997
1995
1992
1991

Awards

Dr. Callahan's Reviews

Likelihood to recommend Dr. Callahan

3.7

Based on 6 reviews

5 Stars
66.66666666666667%
(4)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
33.333333333333336%
(2)

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Average Reported Wait Time
  • 10 – 15 minutes
Dr. Callahan's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Norman Callahan, DO
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