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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mary Stock Keister:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Mary Stock Keister is Excellent. Dr. Stock Keister has been reviewed by 8 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 3.7
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 3.9
Spends Time with Me 3.9
Follows Up After Visit 3.3

Specialties & Research

Dr. Mary Stock Keister, MD is board certified in Family Medicine.

  • She has special expertise in 2 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Infectious Disease

Education & Awards

Dr. Stock Keister graduated from Pennsylvania State University, Hershey.


Dr. Stock Keister has 2 hospital affiliations:

  • Lehigh Valley Hospital 
  • Lehigh Valley Hospital - Muhlenberg 


  • English

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Additional Information
Dr. Mary C Stock Keister MD is a female Family Practitioner, has 11 years of experience and practices in Family Medicine.
Where does Dr. Mary C. Stock Keister practice?
Dr. Mary Stock Keister has 3 office locations.
Dr. Mary Stock Keister practices Family Medicine near Bethlehem, PA.
Additional practice locations include: Nazareth, PA.
See Bethlehem Family Physicians.