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  • Gastroenterology, Internal Medicine
  • Accepting new patients
  • 17 years of experience
  • Harrisburg Gastroenterology Ltd 4760 Union Deposit Rd Ste 100, Harrisburg, PA 17111
  • (717) 545-9811

Brief Intro

Dr. Mammen graduated from the Tufts University School of Medicine in 2008. He works in Harrisburg, PA and 1 other location and specializes in Internal Medicine and Gastroenterology. Dr. Mammen is affiliated with Lenox Hill Hospital.

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Education Background

MEDICAL SCHOOL

Tufts University School Of Medicine - 2008

Location & Hours

  • Harrisburg Gastroenterology
  • 4760 Union Deposit Rd Ste 100, Harrisburg, PA 17111
  • Mon:7:30 am - 4:00 pm
    Tue:7:30 am - 4:00 pm
    Wed:7:30 am - 4:00 pm
    Thu:7:30 am - 4:00 pm
    Fri:7:30 am - 4:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Internal Medicine
  • Gastroenterology

Conditions Addressed

  • Esophagitis
  • Pancreatic Cancer
  • Diverticulitis
  • Intestinal Obstruction
  • Malignant Neoplasm of Colon
  • Peptic Ulcer Disease
  • Liver Cancer
  • Chronic Pancreatitis
  • Acute Pancreatitis
  • Cirrhosis
  • Gastroesophageal Reflux Disease (GERD)
  • Inflammatory Bowel Disease (IBD)
  • Benign Polyps of the Colon
  • Cholelethiasis or Cholecystitis
  • Diverticulosis
  • Infectious Liver Disease
  • Gastric Cancer
  • Rectal, Abdomen, Small Intestines, or Colon Cancer
  • Gastritis and Duodenitis
  • Irritable Bowel Syndrome (IBS)
  • Constipation
  • Gastrointestinal Hemorrhage
  • Hemorrhoids
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Procedures Performed

  • Esophageal Dilatation
  • Liver Biopsy
  • Proctosigmoidoscopy
  • Sigmoidoscopy
  • Liver Biopsy
  • Esophageal Dilatation
  • Sigmoidoscopy
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Gateway Health
  • AmeriHealth Caritas
  • Cigna-HealthSpring
  • UnitedHealthOne
  • Cenpatico
  • HealthPartners
  • Golden Rule
  • Health Partners Plans (Pennsylvania)
  • Medicare
  • CHAMPVA
  • Tricare
  • UnitedHealthcare
  • Keystone First
  • AmeriHealth
  • GEHA
  • Aetna
  • Anthem Blue Cross
  • Kaiser Permanente
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  • Cancer 44
  • Cardiology, Heart & Vascular Surgery 41
  • Orthopedics 71
  • Neurology & Neurosurgery 54
  • Gastroenterology & GI Surgery 71
  • Pulmonology & Lung Surgery 73
  • Diabetes & Endocrinology 27
  • Children's Hospital 13
  • Urology 72
  • Psychiatry 80
  • Geriatrics 67
  • Rehabilitation 64
  • Obsterics & Gynecology 14
  • Ophthalmology 3
  • Ear, Nose & Throat 8
  • Rheumatology 2
  • Long Term Care 11
  • Maternity Care (Uncomplicated Pregnancy) 43