Summary

Dr. Norman Callahan treats colon polyps, diverticular disease, and diverticulosis, and performs lower GI endoscopy, colonoscopy, and upper GI endoscopy. He practices gastroenterology and has 35 years of experience. Dr. Callahan is affiliated with Lankenau Medical Center and sees patients in Malvern and Lancaster, Pennsylvania.

He completed his residency at Lankenau Medical Center and earned his medical degree from Philadelphia College of Osteopathic Medicine. He speaks French and Spanish. Patients on Vitals rate Dr. Callahan 3.82 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 35 years of experience
  • 47 insurance plans accepted
  • speaks French, Spanish
  • Lankenau Medical Center
  • 7 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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 III, DO
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Dr. Norman Mattock Callahan III, DODavid S. WeinbergElizabeth E. Hurtado, PA-CMalorie Simons
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.1 
0 
0 
35 Years of Experience 37 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks French, Spanish Speaks English
Malvern , PAPhiladelphia , PADarby , PAPhiladelphia , PA
Med School: Philadelphia College Of Osteopathic Medicine Med School: Weill Cornell Medical College Med School: Albany Medical College
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

Dr. Norman Mattock Callahan holds an active medical license in the state of Pennsylvania.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Pennsylvania that expires in 2026.

Education & Training

Residency

Completed their residency at Lankenau Medical Center.

Medical School

Graduated from Philadelphia College Of Osteopathic Medicine in 1991.

NPI Number

Dr. Callahan's NPI number is 1851367783.

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Frequently Asked Questions

Where is Dr. Norman Callahan's office located?
Dr. Norman Callahan's office is located at 325 Central Ave Ste 200, Malvern, PA, 19355.
Which hospitals is Dr. Norman Callahan affiliated with?
Dr. Norman Callahan is affiliated with Lankenau Medical Center.
Does Dr. Norman Callahan accept virtual/telehealth appointments?
Dr. Norman Callahan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Norman Callahan accept my insurance?
You can see the insurance plans that Dr. Norman Callahan accepts on their Vitals profile.
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.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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