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Physician Directory

Dr. John J. Mast, MD

Internal Medicine - Geriatrics

  • 99 Masonic Dr Ste 101
    Elizabethtown, PA 17022
  • 2 Locations
  • (717) 689-4243

Dr. Mast's Overview

Dr. John J. Mast graduated from the Indiana University School of Medicine in 1996. He works in Elizabethtown, PA and 1 other location and specializes in Internal Medicine - Geriatrics. Dr. Mast is affiliated with Lancaster General Hospital.

Gender: Male

Languages Spoken: English

Dr. Mast's Experience

Years in Practice: 19

Conditions Treated by Dr. Mast

  • Acute bronchitis
  • Acute sinusitis
  • Acute upper respiratory tract infections
  • Allergic rhinitis
  • Anxiety or phobic disorders
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Procedures Performed by Dr. Mast

  • Arthrocentesis
  • Destruction of benign/premalignant skin lesions
  • Electrocardiogram (EKG, ECG)
  • Immunization administration
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Dr. Mast's Specialties

Internal Medicine - Geriatrics

Dr. Mast's Education & Training

Medical School: Indiana University School of Medicine; Graduated 1996

Dr. Mast's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Capital BC Keystone Health Plan Central HMO
  • Capital BC PPO
  • CIGNA HMO
  • CIGNA Open Access
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Dr. Mast's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

Other Physicians in Dr. Mast's Practice

Dr. Mast's Hospital Affiliations

Office Locations