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Dr. Thomas D. Sneeringer,D.O.

Dr. Amanda M. Chamberlin,M.D.

Dr. Thomas D. Sneeringer DO graduated from North Clarion High School in 1973. He was a biology major at St. Vincent College in Latrobe. After graduating from college in 1977 he went to medical school at Philadelphia College of Osteopathic Medicine for the next four years. Dr. Sneeringer did a 3 year Family Medicine residency at Bremerton Navy Hospital in Washington State. He was Chief Resident his third year in training. Follow training he served on the aircraft carriers Kitty Hawk and Constellation as a General Medical Officer. He left the military in 1988 and practiced medicine in Titusville,Pa for 9 years and in Buffalo,NY for 3 years prior to moving to Brookville in 2000. His practice is independent. Dr. Amanda M. Chamberlin,MD graduated from Brookville Area High School in 1998. She was a premed major at Penn State College PA. After graduating college in 2002 she went to medical school at Penn State College of Medicine in Hershey PA for the next 4 years. Dr. Chamberlin did 3 year family medicine residency at Excela Health Latrobe in Latrobe PA. She has been practicing at Primary Care Associates since 2009 after returning to the Brookville area. Her practice is independent.
Heather Calhoun,PA-C Ashley Bevak,PA-C
Heather Barnett PA-C graduated from Dayton High School in 1996. She was a Biology major at Clarion University. After graduating college in 2000 she attended Chatham University's Physician Assistant program. Upon graduation she practiced family medicine in Ford City PA. She joined Primary Care Associates in 2004.
Ashley Bevak,PA-C graduated from Brookville Area High School in 2010. She attended St. Francis University where she majored in Physician Assistant Sciences. Ashley graduated with her bachelors in 2014 and continued at St. Francis where she received her Masters in Physician Assistant Sciences in 2015. Ashley began working with Primary Care Associates in June of 2015.


Alyssa Byerly-Heschke,PA-C

Alyssa Byerly-Heschke,PA-C graduated from Brookville Area High School in 2011. She attended Lock Haven University and graduated with her Bachelors Degree in Health Sciences.

 In 2017,Alyssa graduated from Mercyhurst University with her Masters in Physician Assistant Studies. Alyssa began working for Primary Care Associates as a Physician Assistant in June of 2017.


Sharon Truitt,Office Manager

Charlotte Young,Biller

Kayla Lewis,Medical Assistant


Emily Shaffer,RN

Marissa Greenawalt,LPN

Alissa Lerch,LPN
Kendra Goheen,LPN Ashley Shaffer,LPN   Andrea Graham,Receptionist 
Margo Bowser,Receptionist Stephanie Singleton,RN

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