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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).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Mark Chastney is Excellent. Dr. Chastney has been reviewed by 12 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.6
Promptness 4.0
Courteous Staff 3.7
Accurate Diagnosis 4.5
Bedside Manner 4.6
Spends Time with Me 4.5
Follows Up After Visit 4.5

Specialties & Research

Dr. Mark Chastney, MD is board certified in Obstetrics & Gynecology.

  • He has special expertise in 3 areas:
  • C-Section (Cesarean Section)
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Chastney graduated from Thomas Jefferson University, Philadelphia. He has 3 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2012 - 2013)
Compassionate Doctor Recognition (2012 - 2013)


Dr. Chastney has 13 hospital affiliations:

  • Main Line Hospital Lankenau 
  • Main Line Hospital - Bryn Mawr 


  • Spanish

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Additional Information
Dr. Mark Chastney MD is a male Obstetrician & Gynecologist, has 28 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Mark Chastney practice?
Dr. Mark Chastney has 4 office locations.
Dr. Mark Chastney practices Obstetrics & Gynecology near Collegeville, PA.
Additional practice locations include: Wynnewood, PA and Paoli, PA.
See Collegeville Obstetricians & Gynecologists.