Physicians & Staff

Providers


Jon-Paul Harmer, MD
CEO, Medical Director
FIPP, Board Certified in Anesthesiology and Pain Management, ABA

Dr. Harmer attended medical school at University of Texas Health Science Center at San Antonio. He served his residency in Anesthesiology at Duke University where he received honors of Education Scholar and Outstanding Contributor to Medical Student Education. Dr. Harmer completed an accredited fellowship in Pain Management by the Department of Anesthesiology at the University of Utah. While there he worked alongside internationally respected leaders in the specialty, including two previous presidents of the American Pain Society.

Mike Martinez II, DO
Board Eligible in Anesthesiology and Pain Management

Dr. Mike Martinez joined Lone Star Pain Medicine in 2015. He earned his Bachelor of Art in biology from The University of Texas in Austin, Texas in 2003. Dr. Martinez later earned his Doctor of Osteopathic Medicine from the University of North Texas Health Science Center in Fort Worth, Texas in 2010. In 2014, he completed his anesthesia residency at the University of Missouri. Dr. Martinez completed an accredited fellowship in Pain Management from the University of Texas Medical Branch in Galveston, Texas in 2015.


Physician Assistants

Stacy G. Carr, MPAS, PA-C
Stacy G Carr joined Lone Star Pain Medicine in 2008 as a physician assistant. Stacy graduated from Tarleton State University in Stephenville, Texas with a Bachelor of Science in Animal Biology in May 2001. He then graduated from the University of North Texas Health Science Center in Fort Worth, Texas, where he completed the Masters Physician Assistant Studies in May 2005. Mr. Carr is a nationally certified physician assistant by NCCPA and is licensed by the Texas State Board of Medical Examiners. He has extensive hospital and clinical experience in orthopedics.

timS

Tim Marcyes, MPAS, PA-C
Timothy Marcyes joined Lone Star Pain Medicine in 2014 as a Physician Assistant. He earned a Bachelor's Degree in psychology and biology from Southwest Texas University in San Marcos, Texas in 1991. While serving in the U.S. Army for 11 years he graduated with his second Bachelor's Degree in Physician Assistant Studies from The University of Texas Health Science Center in San Antonio, TX in 1998 and later completed his Master's Degree in Family Medicine from University of Nebraska medical Center in Omaha, Nebraska in 2000. He served in the U.S. Army as a Physician Assistant until 2003 and has worked in pain management since leaving the service.

Rachel Holland, MPAS, PA-C
Rachel Holland joined Lone Star Pain Medicine in 2016 as a Physician Assistant. Rachel graduated from Wayland Baptist University in Plainview, Texas with a Bachelor of Science in Biology in December 2005. She then went on to graduate from the University of Texas Medical Branch in Galveston, Texas, where she completed her degree in Master of Physician Assistant Studies in December of 2009. Rachel is nationally certified by the NCCPA and is licensed by the Texas State Board of Medical Examiners. She has previous experience as a physician assistant working in the specialty of family medicine.


Staff

Chris

Chris Otte, COO/Business Director
Chris Otte joined Lone Star Pain Medicine in January 2008.  As the Business Director, he oversees the day-to-day operations and staff for Lone Star Pain Medicine, Town Creek Pharmacy, Medtech Resource Management and Weatherford Anesthesia Associates. Prior to moving to Weatherford in 2008, he spent over 15 years in executive management and financial/sports marketing with USAA and the San Antonio Spurs/Alamo Bowl in San Antonio. 

Kayla Dunlap, RN Nurse Manager
Kayla Dunlap joined Lone Star Pain Medicine in 2017 as an RN and is currently the Nurse Manager. In her role she oversees the rooming of patients, answering the nurse line, refill requests and assisting with in-house procedures as well as many other duties. She is a 2008 graduate of Covenant School of Nursing in Lubbock, Texas. During her free time she loves spending time with her active household that includes her husband and two children.

Bethany Murphy, Office Manager
Bethany Murphy joined Lone Star Pain Medicine in 2002 as a billing specialist, and is currently the Office Manager. She oversees patient reception/scheduling, new patient referrals, billing, and provider credentialing. She graduated from Tarleton State University with Bachelor degree in Business Administration.  A native of Parker County, she loves spending time with her husband and two children.

Cade Pippin, Laboratory Manager
Cade Pippin joined Lone Star in 2015 as the Laboratory Manager.  He helped start up and runs the in-house drug screens, as well as, submits confirmation testing to the reference lab, and maintains patient reports.  Maintaining laboratory compliance and regulatory requirements are included in his responsibilities.  He obtained his Medical Technology (ASCP) certification through Tarleton State University and his B.S. in Biology from the University of North Texas.  He spends his spare time with his wife and three boys watching them swim competitively, coaching little league baseball, and hunting.

Lisa Shuler, Accounting Manager
Lisa Shuler joined Lone Star Pain Medicine in 2013 as the Accounting Manager. She is responsible for bookkeeping, payroll and the overflow of HR, such as employee benefits and PTO management. A graduate of Mesa State College in Colorado, Lisa is a recent transplant to Texas. A mother of three grown children, she enjoys “Empty Nest” living with her husband and two dogs by the lake shores of Granbury.

Leslie Stark, IT Manager
Leslie Stark joined Lone Star Pain Medicine in 2006 as the IT Manager. She is responsible for maintaining the business servers and computers, managing office security and the phone systems. She is a proud Weatherford native and in her spare time, she is a reef tank enthusiast who enjoys researching and learning about all of the inner-workings of our marine environments.

Melissa Torrentos - Administrative Manager
Melissa Torrentos joined Lone Star Pain Medicine in 2016 as the Administrative Coordinator, and is currently the Administrative Manager. She is responsible for many things including credentialing, marketing, HIPAA and OSHA compliance. Melissa grew up in Southern California and is a recent transplant to Texas. Outside of work she enjoys many outdoor activities with her husband, two sons and dogs “Dug” & “PJ”.