Our Team

Sherri Davidson, RN, MSN, BC, ACNP, APRN

Sherri Davidson, RN, MSN, BC, ACNP, APRNSherri graduated with honors from McLennan Community College with ADN in 1989. She graduated Cum Laude from the University of Texas at Arlington with a BSN in 1992 and a MSN in 1997. Prior to working at Advanced Pain Care, Sherri worked for 20 years at Hillcrest Baptist Medical Center in various capacities including nurse manager of the ICU and hospitalist. During her time at Hillcrest, Sherri also coordinated the implementation of a trauma and open heart surgery program. She worked 2 years in internal medicine and 7 years in Neurology. She also served as a secretary for the Texas Nurse Practitioners and Central Texas Nurse Practitioners. She is married with 3 children and lives in China Spring, Texas.

Sherri is also a member of the Waco Tri Club, Waco Striders and Waco Bike club and served as secretary for the Waco Striders and Tri Club. She completed her first marathon in 2009 and plans on completing in her first triathlon in 2011. Her other hobbies include watching her children’s sporting activities, including baseball, basketball, cross country and golf.

Anthony Perardi, MPAS, PA-C

Anthony Perardi joined Advanced Pain Care in 2011. Since then he has become a beloved member of the APC team by both patients and staff alike. Prior to 2011, as a cardiothoracic P.A., Anthony helped start the Heart & Lung Transplant Program in Temple, Texas while working with Scott & White. He also has 5 years of hospital experience while living in Illinois.

Anthony earned his Bachelor of Science degree in Athletic Training and a Bachelor of Science degree in Exercise Science from Illinois State University in May of 2000. He went on to earn his Master of Physician Assistant degree from the University of Southern California in 2005. Anthony has a Certification in the American Academy of Physician Assistants, Central Texas Physician Assistant Society and is a member of the NCCPA.

When home with his wife and 4 children in Round Rock, Anthony enjoys coaching in the Round Rock Baseball League, Round Rock Flag Football League and playing hockey and baseball.

When asked why he loves working with patients in the field of Pain Management, Anthony’s reply is that he wants to make a difference in the lives of people living with chronic pain. He enjoys applying his critical care knowledge to help patients live overall healthier lives.

Elizabeth Antle, APRN, MSN, FNP-BC

Elizabeth Antle is certified by the American Nurse Credentialing Center as a Family Nurse Practitioner and recognized by the Texas Board of Nursing as an Advanced Practice Registered Nurse. She received both her Bachelor and Master of Science in Nursing Degrees from The University of Texas at Arlington.

After an honorable discharge from the U.S. Navy, Elizabeth worked primarily in Emergency Nursing from Houston to Waco. Her experience as a registered nurse did conclude in a Post Anesthesia Care Unit in Providence Hospital, where pain control was a major component of the nurse’s job. After completing her nurse practitioner program, Elizabeth worked in Family Medicine for Scott & White prior to joining Advanced Pain Care.

Professional organizations include Central Texas Nurse Practitioners, Texas Nurse Practitioners and American Academy of Nurse Practitioners.
A native Texan, Elizabeth has called Waco home for 15 years and is happy to be a part of a successful pain management group in the community.

Randy Bryson, Family Nurse Practitioner

Catherine Lewis
Randy graduated from TCC with a doctorate in alternative medicine in 1993 and an advanced masters in nursing from Samford University in 2012. He is licensed as a certified Family Nurse Practitioner, and is Board eligible for certification in pain management through the American Academy of Procedural Medicine. He was inducted into the Sigma Theta Tau International Honor Society for Nursing Scholars, and is a member of the American Academy of Nurse Practitioners. He lives in the China Spring area with his wife Dory. He dabbles in architectural engineering, design and inventing. He has several ongoing patent applications, but regards working as a health care provider – with the focus of reducing pain and restoring quality of life for his community – as his most satisfying endeavor.

Jessica Thibodeaux, MPAS, PA-C

Jessica Thibodeaux
Jessica Thibodeaux earned her Bachelor of Science in Biomedical Engineering with a minor in Mathematics from Texas A&M University, College Station, TX in 2008. She went on to obtain her Masters of Science in Physician Assistant Studies from the University of Alabama at Birmingham, Birmingham, AL in December of 2013. She is certified in Advance Cardiac Life Support (ACLS) and Cardiopulmonary Resuscitation (CPR) and Automated External Defibrillator. Jessica is a member of the American Academy of Physician Assistants.

Jessica lives in Round Rock, Texas and enjoys crafting, listening to music, traveling and participating in medical mission trips. She enjoys helping patients with chronic pain improve their quality of life as it is a rewarding experience to work with these patients and see them improve over time and become more active.


Charity Green, APRN

Charity Green, APRNCharity Green joined the Advanced Pain Care team in April of 2013. Patients often comment on what a difference Charity has made in their lives.

Charity earned her Bachelor of Science degree in Biomedical Science from Teas A&M University. She went on to earn her Bachelor of Science in Nursing from William Patterson University in Wayne, New Jersey and her Master of Science degree in Nursing from the University of Memphis in Memphis, Tennessee. Charity holds a RN and APRN license and is a member of the American Association of Nurse Practitioners, and the Sigma Theta Tau Honor Society.

In her previous employment, Charity was able to work with pediatric hematology and orthopedics. She is enjoying taking care of a mostly different generation in the field of Pain Management.

Charity is married and has two children. She enjoys reading, running and scrapbooking when she’s not working and often trains for running events within the Austin area. Living in Austin is great for Charity because it also allows her to be much closer to her extended family.

Rita Patel, MPAS, PA-C

Rita Patel joined Advanced Pain Care as a Physician’s Assistant in November 2014. Prior to that time, Rita worked as a Physician’s Assistant in Primary Care and Emergency Medicine as well as Orthopaedics and Sports Medicine in the Dallas area.

Rita earned her Bachelor of Science degree in Kinesiolgy in 2008 at The University of Maryland in College Park, MD. She went on to earn her Master of Science in Physician Assistant Studies degree from Philadelphia University in 2010. Rita’s professional memberships include the Texas Academy of Physicians Assistants as well as the American Academy of Physicians Assistants.

In her personal time, Rita enjoys cooking/baking, traveling, football – especially the Baltimore Ravens, crafting, health and fitness and beauty. She is a newlywed and says she enjoys being a Physician’s Assistant so that she can make a difference in people’s lives. Rita’s goal is to develop a relationship with her patients built on trust and support so that she can deliver the best care available for each individual patient.

Marissa Cadena, MPAS, PA-C

AMarissa Cadena attended the University of Texas at Austin from 2006-2008, majoring in Nutrition where she earned a minor in Spanish. In May 2010 she graduated from Texas A&M University in College Station with a Bachelor of Science degree in Nutritional Sciences. Marissa holds a Master of Physician Assistant Studies degree from the University of Texas Medical Branch in Galveston.

After graduating from Texas A&M University, Marissa moved to Bogota, Colombia where she helped start an English tutoring company. After a year of teaching and traveling abroad, she moved back home to Austin to begin applying to PA school. She worked as a Newborn Hearing Screener at Dell Children’s Hospital while applying and preparing for PA school.

In September 2014, Marissa passed the board certification exam to become a nationally board certified Physician Assistant, and was awarded her Texas Medical License in October 2014.

Marissa is a member of The American Academy of Physician Assistants, The Texas Academy of Physician Assistants, The American Academy of Pain Management, The Texas A&M Former Students Association, and Capital City A&M Club Member. She enjoys Texas A&M sports, the Austin live music scene, intramural Co-ed soccer and hiking the hills of Austin.

Jennifer Nuessner, MPAS, PA-C

Jennifer is a native of Columbus, Georgia where she attended Pacelli Catholic High School and Columbus College receiving a Bachelors degree in Biology in 1995. During her senior year of college, she also attended EMT school at night while working for the American Red Cross on weekends. After graduation she began working as an Emergency Medical Technician-B for the City of Columbus (911) while attending Columbus State University, ultimately receiving a Masters of Public Administration with emphasis in Health Services Administration in 1997. In 1997, Jennifer married Scot Nuessner and they moved to Tupelo, Mississippi then to Fort Worth, Texas with his career. In 1999 and 2000 she gave birth to two beautiful daughters, Madison and Lauren.

In 2004, Jennifer was accepted to the University of North Texas Health Science Center in Fort Worth Physician Assistant Program to pursue her goal of becoming a healthcare provider. Jennifer graduated with her Masters of Physician Assistant studies degree in 2007 with honors. She expected to return to Emergency Medicine, but her desire for continuity of care, fulfillment of knowing patient outcomes and wish to share in patient lives has led her to roles with close patient follow-up. As a Physician Assistant she has experience in High-Risk OB/GYN, Family Practice, Weight loss Clinics, Spine Surgery and Pain Management. In 2009 she gave birth to her son, Ridge, and the family moved to Austin, Texas in 2011. Her heart is with patients in chronic pain and she believes in using a multi-modal approach to pain, along with a compassionate, non-judgmental approach to help her patients live happier lives.

When she is not working, Jennifer enjoys family time, happy hour with friends and stand up paddle boarding. Jennifer is a member of the Texas Academy of Physician Assistants, the American Academy of Physician Assistants, Texas Pain Society, American Pain Society, and the American Academy of Pain Management.

Seven convenient locations across Central Texas and one surgery center.

CENTRAL AUSTIN
6818 Austin Center Boulevard Suite #205
Austin, Texas
78731
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SOUTH AUSTIN
6000 S. Mopac Suite #200
Austin, Texas
78749
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CEDAR PARK
200 South Bell Blvd Suite #F-5
Cedar Park, Texas
78613
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ROUND ROCK
2000 S. Mays St Suite #201
Round Rock, Texas
78664
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GEORGETOWN
3316 Williams Dr Suite #150
Georgetown, Texas
78628
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KILLEEN
3400 East Central Texas Expressway, Suite 100
Killeen, Texas
76543
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WACO
7005 Woodway Dr. Suite #101
Waco, Texas
76712
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SURGERY CENTER
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2000 S. Mays St Suite #400
Round Rock, Texas
78664
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