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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 (1)

The overall average patient rating of Dr. Ann Gierl is Average. Dr. Gierl has been reviewed by 4 patients who have provided 1 comments. The rating is 2.5 out of 5 stars.

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

Specialties & Research

Dr. Ann Gierl, DO is board certified in Rheumatology.

  • She has special expertise in 7 areas:
  • Ankylosing Spondylitis
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Osteoporosis
  • Rheumatic Diseases
  • Rheumatoid Arthritis

Education & Awards

Dr. Gierl graduated from Des Moines University.


Dr. Gierl has 3 hospital affiliations:

  • St Elizabeth Hospital 
  • Calumet Medical Center 
  • Mercy Medical Center of Oshkosh Inc 


  • English

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Additional Information
Dr. Ann Marie Gierl DO is a female Rheumatologist, has 26 years of experience and practices in Rheumatology.
Where does Dr. Ann M. Gierl practice?
Dr. Ann Gierl has 4 office locations.
Dr. Ann Gierl practices Rheumatology near Menasha, WI.
Additional practice locations include: Oshkosh, WI and Appleton, WI.
See Menasha Rheumatologists.