About the NWOOA

The Northwest Ohio Osteopathic Association (NWOOA) is District 1 of ten districts of the Ohio Osteopathic Association, which has been supporting osteopathic physicians since 1898.  The Ohio Osteopathic Association (OOA) is a divisional society of the American Osteopathic Association.  The OOA's mission includes promoting Ohio's public health and advancing the distinctive philosophy and practice of osteopathic medicine ch executive that includes what they do, how long they’ve been at it, and what got them to where they are.  The NWOOA is an active district of the OOA regularly planning high quality CME conferences as well as social events for osteopathic physicians in Northwest Ohio.

NWOOA Board Of Directors

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President - Nicholas Pfleghaar, DO

Board Certified, American College of Osteopathic Family Physicians
Medical School: Ohio University College of Osteopathic Medicine, Athens
Residency: Firelands Regional Medical Center, Sandusky, OH 


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State Trustee - Nicholas Espinoza, DO

 Board Certified, American Osteopathic Board of Family Physicians

Medical School: Ohio University College of Osteopathic Medicine, Athens
Internship: Parkview Hospital, Toledo, OH​

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Vice President - Jennifer Pfleghaar, DO

 Board Certified, American College of Osteopathic Family Physicians 

Medical School: Lake Erie College of Osteopathic Medicine, Erie, PA

Residency: St. Vincent Mercy Medical Center, Toledo, OH

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Secretary/Treasurer - Nicholas Barnes, DO

Medical School:  Ohio University College of Osteopathic Medicine, Athens

Residency: Promedica WW Knight Family Medicine Center, Toledo, OH

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District Trustee - Roger Wohlwend, DO

Board Certified, American Osteopathic Board of Family Physicians
Medical School: Ohio University College of Osteopathic Medicine, Athens Internship: Parkview Hospital, Toledo, OH
Residency: Parkview Hospital, Toledo, OH
Fellowship: Ohio University, Athens, OH

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District Trustee - Tracy Karolyi, DO

Board Certified, American Academy of Pediatrics
Fellow: American College of Osteopathic Pediatricians

Medical School: Ohio University College of Osteopathic Medicine, Athens

Residency: Medical College of Ohio, Toledo, OH

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District Trustee - Tracey O'Neal-Hooker, DO

Board Certified, American College of Osteopathic Family Physicians ​
Medical School: Ohio University  College of Osteopathic Medicine, Athens

Residency: St. Vincent Mercy Medical Center, Toledo, OH

NWOOA Staff

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Executive Director - Tim Polakowski

Involved since 2012