Summary

Dr. Norman Callahan is a gastroenterologist with 35 years of experience specializing in digestive health disorders. He earned his medical degree from Philadelphia College of Osteopathic Medicine and completed his residency at Lankenau Medical Center. Dr. Callahan speaks Spanish and French, allowing him to communicate with a diverse patient population.

Dr. Callahan practices at Lankenau Medical Center and maintains offices in Malvern, Wynnewood, and Lancaster, Pennsylvania. He specializes in treating colon polyps, diverticular disease, and diverticulosis. His expertise includes performing colonoscopies and lower gastrointestinal endoscopy procedures to diagnose and monitor digestive conditions. Patients have given him an average rating of 4.1 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.1
  • 35 years of experience
  • 47 insurance plans accepted
  • speaks Spanish, French
  • Lankenau Medical Center
  • 6 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. Norman Mattock Callahan has 4 locations

Us Digestive Health

325 Central Ave Ste 200Malvern, PA 19355
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Lankenau Medical Center

100 E Lancaster AveWynnewood, PA 19096

Us Digestive Health

2112 Harrisburg Pike Ste 202Lancaster, PA 17601
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Main Line Endoscopy Center Malvern

700 STEEL LN STE 100MALVERN, PA 19355
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. Norman Mattock Callahan, DODr. Minhhuyen T. NguyenEmily Lacek, PA-CDr. Rafael A. Amaral, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
35 Years of Experience 39 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, French Speaks Spanish, Italian
Malvern , PAPhiladelphia , PADarby , PADarby , PA
Med School: Philadelphia College Of Osteopathic Medicine Med School: Harvard Medical School Med School: Ponce School of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Norman Mattock Callahan

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - Medicare
  • AmeriHealth
  • AmeriHealth - HMO
  • Assurant Health
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • Cenpatico
  • CHAMPVA
  • Cigna
  • Dean Health Plan
  • Devoted Health
  • Devoted Health - Medicare
  • First Health (Coventry Health Care) - Medicaid (Managed)
  • Gateway Health
  • Gateway Health - Medicare
  • GEHA
  • Geisinger Health Plan
  • Golden Rule
  • Harvard Pilgrim Health Care
  • Health Partners Plans (Pennsylvania)
  • Health Partners Plans (Pennsylvania) - Medicaid (Managed)
  • HealthPartners
  • HealthPartners - Medicaid (Managed)
  • Highmark Blue Shield
  • Humana
  • Independence Blue Cross
  • Keystone First
  • Keystone First - Medicaid (Managed)
  • Medica
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha - Medicare
  • Nippon Life Benefits
  • STLDentalPlan| LLC
  • Transamerica
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UPMC Health Plan
  • UPMC Health Plan - Medicaid (Managed)

Medical Specialties

Dr. Norman Mattock Callahan has the following specialty

Specialty Expertise

Dr. Norman Mattock Callahan has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

35 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Pennsylvania, 2026, Active

EDUCATION & TRAINING

Residency

Lankenau Medical Center

Medical School

Philadelphia College Of Osteopathic MedicineGraduated in 1991

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Frequently Asked Questions

What languages does Dr. Norman Callahan speak?
Dr. Norman Callahan speaks Spanish and French.
Does Dr. Norman Callahan accept my insurance?
You can see the insurance plans that Dr. Norman Callahan accepts on their Vitals profile.
How can I make an appointment with Dr. Norman Callahan?
You can find contact information for Dr. Norman Callahan here on Vitals.
Is Dr. Norman Callahan accepting new patients?
Dr. Norman Callahan is accepting new patients on Vitals. View Dr. Norman Callahan's profile on Vitals to make an appointment.
Which hospitals is Dr. Norman Callahan affiliated with?
Dr. Norman Callahan is affiliated with Lankenau Medical Center.

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