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Obstetrician & Gynecologist (OB/GYN)
30 years of experience
Video profile
Accepting new patients
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 (1)

The overall average patient rating of Dr. Karen Ammerman is Good. Dr. Ammerman has been reviewed by 6 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.3
Courteous Staff 4.7
Accurate Diagnosis 4.3
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Karen Ammerman, MD is board certified in Obstetrics & Gynecology.

  • She has special expertise in 2 areas:
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Ammerman graduated from University of Rochester .


Dr. Ammerman has 9 hospital affiliations:

  • St. Vincent's Hospital 
  • Hubbard Regional Hospital 


  • English

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Additional Information
Dr. Karen Sue Ammerman MD is a female Obstetrician & Gynecologist, has 30 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Karen S. Ammerman practice?
Dr. Karen Ammerman has 2 office locations.
Dr. Karen Ammerman practices Obstetrics & Gynecology near Worcester, MA.
Additional practice locations include: Webster, MA.
See Worcester Obstetricians & Gynecologists.