Overview
Norman Callahan is a Gastroenterologist practicing medicine in Malvern, Pennsylvania.
Dr. Callahan is highly rated in 42 conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Diverticular Disease, Ulcerative Colitis, Colonoscopy, and Gastrectomy.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- OTHER COMMERCIAL
- MEDICARE PDP
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
700 Steel Ln Ste 100, Malvern, PA 19355
Additional Areas of Focus
Dr. Callahan has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
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Gary Lichtenstein is a Gastroenterologist practicing medicine in Philadelphia, Pennsylvania. Dr. Lichtenstein is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Lichtenstein is board certified in Gastroenterology, 1989 and Internal Medicine, 1987. Dr. Lichtenstein is currently accepting new patients.
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Frequently Asked Questions about Dr. Norman M. Callahan
How do I make an appointment with Dr. Norman M. Callahan?
You can book an appointment with Dr. Norman M. Callahan by calling their office at 610-644-6755. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Norman M. Callahan a top-rated expert for Choledocholithiasis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Norman M. Callahan is classified as an Distinguished expert for Choledocholithiasis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Norman M. Callahan specialize in?
While Dr. Norman M. Callahan is a Gastroenterology, they have specific expertise in Choledocholithiasis, Diverticular Disease, and Ulcerative Colitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Norman M. Callahan accept my insurance?
Dr. Norman M. Callahan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 610-644-6755 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- CholedocholithiasisDr. Callahan isDistinguished. Learn about Choledocholithiasis.
- Diverticular DiseaseDr. Callahan isDistinguished. Learn about Diverticular Disease.
- Ulcerative ColitisDr. Callahan isDistinguished. Learn about Ulcerative Colitis.
- Advanced
- Acute PancreatitisDr. Callahan isAdvanced. Learn about Acute Pancreatitis.
- Anal FissureDr. Callahan isAdvanced. Learn about Anal Fissure.
- Angiodysplasia of the ColonDr. Callahan isAdvanced. Learn about Angiodysplasia of the Colon.
- Attenuated Familial Adenomatous Polyposis
- Bacterial GastroenteritisDr. Callahan isAdvanced. Learn about Bacterial Gastroenteritis.
- Benign Esophageal StrictureDr. Callahan isAdvanced. Learn about Benign Esophageal Stricture.
- Berdon SyndromeDr. Callahan isAdvanced. Learn about Berdon Syndrome.
- Celiac DiseaseDr. Callahan isAdvanced. Learn about Celiac Disease.
- Childhood PancreatitisDr. Callahan isAdvanced. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Callahan isAdvanced. Learn about Childhood Volvulus.
- ColitisDr. Callahan isAdvanced. Learn about Colitis.
- Colonic MalakoplakiaDr. Callahan isAdvanced. Learn about Colonic Malakoplakia.
- ColonoscopyDr. Callahan isAdvanced. Learn about Colonoscopy.
- Crohn's DiseaseDr. Callahan isAdvanced. Learn about Crohn's Disease.
- Cronkhite-Canada DiseaseDr. Callahan isAdvanced. Learn about Cronkhite-Canada Disease.
- DiarrheaDr. Callahan isAdvanced. Learn about Diarrhea.
- EsophagitisDr. Callahan isAdvanced. Learn about Esophagitis.
- Familial Adenomatous PolyposisDr. Callahan isAdvanced. Learn about Familial Adenomatous Polyposis.
- Familial Pancreatic CancerDr. Callahan isAdvanced. Learn about Familial Pancreatic Cancer.
- Gallbladder DiseaseDr. Callahan isAdvanced. Learn about Gallbladder Disease.
- GallstonesDr. Callahan isAdvanced. Learn about Gallstones.
- Gas Bloat SyndromeDr. Callahan isAdvanced. Learn about Gas Bloat Syndrome.
- Gastric DysmotilityDr. Callahan isAdvanced. Learn about Gastric Dysmotility.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Callahan isAdvanced. Learn about Gastrointestinal Bleeding.
- Hemorrhagic ProctocolitisDr. Callahan isAdvanced. Learn about Hemorrhagic Proctocolitis.
- HemorrhoidsDr. Callahan isAdvanced. Learn about Hemorrhoids.
- IndigestionDr. Callahan isAdvanced. Learn about Indigestion.
- Intestinal CancerDr. Callahan isAdvanced. Learn about Intestinal Cancer.
- Juvenile Polyposis SyndromeDr. Callahan isAdvanced. Learn about Juvenile Polyposis Syndrome.
- Lower Esophageal RingDr. Callahan isAdvanced. Learn about Lower Esophageal Ring.
- Lymphocytic ColitisDr. Callahan isAdvanced. Learn about Lymphocytic Colitis.
- Painful SwallowingDr. Callahan isAdvanced. Learn about Painful Swallowing.
- Pancreatic CancerDr. Callahan isAdvanced. Learn about Pancreatic Cancer.
- Portal HypertensionDr. Callahan isAdvanced. Learn about Portal Hypertension.
- ProctitisDr. Callahan isAdvanced. Learn about Proctitis.
- Swallowing DifficultyDr. Callahan isAdvanced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Callahan isAdvanced. Learn about Trichohepatoenteric Syndrome.
- Viral GastroenteritisDr. Callahan isAdvanced. Learn about Viral Gastroenteritis.
- Experienced
- Accessory PancreasDr. Callahan isExperienced. Learn about Accessory Pancreas.
- AchalasiaDr. Callahan isExperienced. Learn about Achalasia.
- Alcoholic CirrhosisDr. Callahan isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Callahan isExperienced. Learn about Anemia.
- AscitesDr. Callahan isExperienced. Learn about Ascites.
- Banti's SyndromeDr. Callahan isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Callahan isExperienced. Learn about Barrett Esophagus.
- Bile Acid MalabsorptionDr. Callahan isExperienced. Learn about Bile Acid Malabsorption.
- Bile Duct ObstructionDr. Callahan isExperienced. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. Callahan isExperienced. Learn about Bile Duct Stricture.
- Bowel IncontinenceDr. Callahan isExperienced. Learn about Bowel Incontinence.
- Cholangiocarcinoma (Bile Duct Cancer)Dr. Callahan isExperienced. Learn about Cholangiocarcinoma (Bile Duct Cancer).
- CholangitisDr. Callahan isExperienced. Learn about Cholangitis.
- CholecystitisDr. Callahan isExperienced. Learn about Cholecystitis.
- CholestasisDr. Callahan isExperienced. Learn about Cholestasis.
- Chronic Erosive GastritisDr. Callahan isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic PancreatitisDr. Callahan isExperienced. Learn about Chronic Pancreatitis.
- CirrhosisDr. Callahan isExperienced. Learn about Cirrhosis.
- Collagenous ColitisDr. Callahan isExperienced. Learn about Collagenous Colitis.
- Colorectal PolypsDr. Callahan isExperienced. Learn about Colorectal Polyps.
- Congenital Diaphragmatic HerniaDr. Callahan isExperienced. Learn about Congenital Diaphragmatic Hernia.
- DICER1 SyndromeDr. Callahan isExperienced. Learn about DICER1 Syndrome.
- EncopresisDr. Callahan isExperienced. Learn about Encopresis.
- EndoscopyDr. Callahan isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Callahan isExperienced. Learn about Enlarged Liver.
- Eosinophilic ColitisDr. Callahan isExperienced. Learn about Eosinophilic Colitis.
- Eosinophilic EsophagitisDr. Callahan isExperienced. Learn about Eosinophilic Esophagitis.
- Esophageal VaricesDr. Callahan isExperienced. Learn about Esophageal Varices.
- Familial Colorectal CancerDr. Callahan isExperienced. Learn about Familial Colorectal Cancer.
- Fecal ImpactionDr. Callahan isExperienced. Learn about Fecal Impaction.
- Gardner SyndromeDr. Callahan isExperienced. Learn about Gardner Syndrome.
- GastrectomyDr. Callahan isExperienced. Learn about Gastrectomy.
- GastroparesisDr. Callahan isExperienced. Learn about Gastroparesis.
- GastrostomyDr. Callahan isExperienced. Learn about Gastrostomy.
- HeartburnDr. Callahan isExperienced. Learn about Heartburn.
- Helicobacter Pylori InfectionDr. Callahan isExperienced. Learn about Helicobacter Pylori Infection.
- HepatitisDr. Callahan isExperienced. Learn about Hepatitis.
- Hepatitis CDr. Callahan isExperienced. Learn about Hepatitis C.
- Hereditary PancreatitisDr. Callahan isExperienced. Learn about Hereditary Pancreatitis.
- Hiatal HerniaDr. Callahan isExperienced. Learn about Hiatal Hernia.
- Irritable Bowel Syndrome (IBS)Dr. Callahan isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- JaundiceDr. Callahan isExperienced. Learn about Jaundice.
- Liver FailureDr. Callahan isExperienced. Learn about Liver Failure.
- MacroamylasemiaDr. Callahan isExperienced. Learn about Macroamylasemia.
- MalabsorptionDr. Callahan isExperienced. Learn about Malabsorption.
- Morning SicknessDr. Callahan isExperienced. Learn about Morning Sickness.
- Necrotizing EnterocolitisDr. Callahan isExperienced. Learn about Necrotizing Enterocolitis.
- Non-Alcoholic Fatty Liver DiseaseDr. Callahan isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Pancreas DivisumDr. Callahan isExperienced. Learn about Pancreas Divisum.
- Pancreatic PseudocystDr. Callahan isExperienced. Learn about Pancreatic Pseudocyst.
- Progressive Familial Intrahepatic Cholestasis Type 1
- Progressive Familial Intrahepatic Cholestasis Type 2
- Progressive Familial Intrahepatic Cholestasis Type 3
- Pseudomembranous ColitisDr. Callahan isExperienced. Learn about Pseudomembranous Colitis.
- Sclerosing CholangitisDr. Callahan isExperienced. Learn about Sclerosing Cholangitis.
- Spontaneous Bacterial PeritonitisDr. Callahan isExperienced. Learn about Spontaneous Bacterial Peritonitis.
- TenesmusDr. Callahan isExperienced. Learn about Tenesmus.
- Turcot SyndromeDr. Callahan isExperienced. Learn about Turcot Syndrome.
- VisceromegalyDr. Callahan isExperienced. Learn about Visceromegaly.
- Watermelon StomachDr. Callahan isExperienced. Learn about Watermelon Stomach.