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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 (7)

The overall average patient rating of Dr. Mary Gerleman is Excellent. Dr. Gerleman has been reviewed by 19 patients who have provided 7 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.7
Courteous Staff 4.3
Accurate Diagnosis 4.7
Bedside Manner 4.5
Spends Time with Me 4.9
Follows Up After Visit 4.6

Specialties & Research

Dr. Mary Gerleman, MD is board certified in Gastroenterology.

  • She has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Gerleman graduated from Medical College of Wisconsin, Milwaukee. She has 7 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2014)
Compassionate Doctor Recognition (2010 - 2014)
Top 10 Doctor - Metro Area (2014)
Greater Milwaukee
Top 10 Doctor - State (2014)
On-Time Doctor Award (2014)


Dr. Gerleman has 8 hospital affiliations:

  • Waukesha Memorial Hospital 
  • Froedtert Hospital 


  • German
  • French
  • English

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Additional Information
Dr. Mary Catherine Gerleman MD is a female Internist and practices in Gastroenterology.
Where does Dr. Mary C. Gerleman practice?
Dr. Mary Gerleman has 1 office location.
Dr. Mary Gerleman practices Gastroenterology near Milwaukee, WI.
See Milwaukee Gastroenterologists.