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John J. Mast, MD

Geriatric Medicine
headshot of John J. Mast, MD
No patient ratings. Why not?
Why doesn't this doctor have a rating?

There is no publicly available rating for this medical professional for one of the following reasons:

  1. They are not employed by Penn Medicine.
  2. They do not see patients.
  3. They see patients but have not yet received the minimum 30 patient satisfaction reviews in the past 12 months, ensuring that the rating is statistically reliable and a true reflection of patient satisfaction.

Sees patients age 65 and up

John J. Mast, MD

Geriatric Medicine
No patient ratings. Why not?
Why doesn't this doctor have a rating?

There is no publicly available rating for this medical professional for one of the following reasons:

  1. They are not employed by Penn Medicine.
  2. They do not see patients.
  3. They see patients but have not yet received the minimum 30 patient satisfaction reviews in the past 12 months, ensuring that the rating is statistically reliable and a true reflection of patient satisfaction.

Sees patients age 65 and up

  • Dr. Mast is a Penn Medicine Lancaster General Health physician.

Not accepting new patients

Call 717-544-3022 Request Appointment

Meet Dr. Mast

I work as a geriatric specialist at Masonic Village in long term skilled care, short term rehabilitation and  hospice care. 

My practice is limited to patients receiving care at skilled nursing facilities or personal care services at the communities where I provide care.

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