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Family Medicine

Craig Boudreaux, D.O

Craig Boudreaux, D.O.

Dr. Boudreaux is Board Certified in Family Medicine. He received his undergraduate degree from The University of Texas at Austin in 1986. Hook’em! In 1996, he received his Doctor of Osteopathic Medicine from the University Of North Texas Health Science Center/Texas College Of Osteopathic Medicine. After twenty years in private practice with a successful, primary care group in The Woodlands, Texas, he joined Sam Houston State University College of Osteopathic Medicine striving to make an impact on the future of medicine in Texas and the region.

Dr. Boudreaux has a passion for family medicine and considers it an honor and a privilege to care for his patients. He believes in compassionate care for all of his patients that takes into account their individual circumstances, desires and needs in order to help them optimize their physical, mental and spiritual health. Dr. Boudreaux and his wife of 30 plus years have 3 wonderful sons. He enjoys time with family, playing the guitar, singing, the performing arts, travel, exercise and outdoor activity.

“It is good to love many things, and whosoever loves much performs much, and can accomplish much, and what is done in love is well done.” - Vincent van Gogh

Ouida Collins, M.D.

Ouida Collins, M.D.

Dr. Ouida Collins research interest is focused on generational care. This includes care of the patient and the family caregiver. Currently, she serves as Co-Chair for a collaboration between the Alzheimer’s Association and the African Methodist Episcopal (AME) Church. Through this partnership plus community engagement, their goal is to increase awareness and early detection of Alzheimer’s disease and other dementia. They will accomplish this goal through research involvement and advocacy. In addition, she is passionate about food, cooking, and ways to improve one’s diet as a means to prevent and control disease. Dr. Collins is grateful to be able to combine her interest in the Culinary Medicine Course.

Shannon Jimenez, D.O.

Shannon Jimenez, D.O.

Dr. Shannon Ramsey Jimenez serves as Associate Professor and Chair of Primary Care and Clinical Medicine at Sam Houston State University College of Osteopathic Medicine. A graduate of Des Moines University, she completed her residency in Family Medicine in Garden City Michigan and spent 20 years in North Carolina as partner and CEO of a busy group practice in a rural/ underserved community. Dr. Jimenez has served in many state leadership positions and on national committees for most of her career. She has been teaching clinically for 15 years and actively involved in osteopathic medical education for 10 years. Dr. Jimenez is passionate about providing quality, efficient patient care. Her areas of interest are neurology, diabetes, thyroid disease and heart disease. Her favorite part of her job is getting to know patients and their stories.

Her favorite quote is: The best way to find yourself is to lose yourself in the service of others.” -Mahatma Gandhi

Tucker Leigh, D.O.

Tucker Leigh, D.O.

Dr. Townes “Tucker” Leigh, Jr serves as an Assistant Professor of Family Medicine at Sam Houston State University College of Osteopathic Medicine and a team physician for SHSU athletics. He earned his Bachelor of Science in Chemistry from the University of Tennessee at Martin in 2006 and his medical degree from West Virginia School of Osteopathic Medicine in 2010. Dr. Leigh completed a three-year residency at the University of Alabama Family Medicine Residency in Tuscaloosa in 2013 and a fellowship in Primary Care Sports Medicine at Lemak Sports Medicine and Orthopedics in Birmingham in 2014. He is Board Certified in Family Medicine by the American Board of Family Medicine, Family Medicine/Osteopathic Manipulative Treatment by the American Osteopathic Board of Family Physicians, and holds a certificate of added qualification in Sports Medicine. Prior to coming to SHSU, Dr. Leigh served as a team physician for the University of Southern Indiana and Alabama State University as well as providing medical coverage for many local, regional, and national events.

Mary Manis, M.D.

Mary Manis, MD, MS is an Assistant Professor of Family Medicine in the Department of Primary Care. She has many years of experience practicing medicine in East Texas as Medical Director of the Lufkin State Supported Living Center, Director of Health Services at Stephen F. Austin State University, Patient-Aligned Care Team Physician with the Lufkin VA Outpatient Clinic, Director of General Medicine at Rusk State Hospital, and Staff Physician at East Texas Community Health Services in Nacogdoches. She earned her medical degree from the University of Texas Medical Branch- Galveston, her master’s degree from the University of Houston- Clear Lake, and her bachelor’s degree from Texas A&M- College Station. She is interested in wellness and preventive care, and enjoys spending time with family, walking her dogs, and rooting for her hometown Astros.

Stephen McKernan, D.O.

Stephen McKernan, D.O.

Dr. McKernan has been trained as a pharmacist, naturopathic physician and osteopathic physician and is board certified by the American Board of Family Medicine and the American Osteopathic Board of Family Physicians. Dr. McKernan joined Sam Houston State University in January 2017 as the Associate Dean for Clinical Affairs in the College of Osteopathic Medicine.

Dr. McKernan attended medical school at Nova-Southeastern University, College of Osteopathic Medicine in Florida. He completed his residency in Modesto, CA and, after residency, practiced in a rural community in the central San Joaquin Valley. He began his academic medicine career in 2000 at the Kirksville College of Osteopathic Medicine, a rural medical school in Missouri. He joined the faculty at the Conroe Family Medicine Residency Program in 2003 and from 2006 – 2016 served as the Program Director for the Residency and CEO for the Lone Star Family Health Center.

Dr. McKernan practices family medicine and cares for children and adults of all ages. He includes osteopathic manipulative medicine in his practice. His interests include music, the Astros, and spending time at the beach.

Megan Woolford

Megan Woolford, M.D.

Megan Woolford is originally from Stafford, Texas, just southeast of Houston. Dr. Woolford completed her bachelor’s degree in chemistry from Texas A&M University. She then went to medical school at Baylor College of Medicine located in the Texas Medical Center. After experiencing medical practice in the big city, Dr. Woolford was interested in community-based medicine. She completed residency in Family Medicine at Lonestar Family Health Center, where she served a largely unfunded, underserved population. She developed a passion for teaching both her patients and medical students on her team.

Jamie Eller, D.O.

Jamie Eller, D.O.

Dr. Jamie Eller serves as an Assistant Professor in the Department of Osteopathic Principles and Practices (OPP) at Sam Houston State University College of Osteopathic Medicine. She is a graduate of Nova Southeastern University-College of Osteopathic Medicine (NSU-COM). She completed residency training at the Conroe Family Medicine Program and is board certified in Family Medicine. Dr. Eller joined SHSU-COM in November of 2020 to begin her career as a medical educator and clinician.

Internal Medicine

Kemi Olaiya, D.O.

Kemi Olaiya, D.O.

Dr. Kemi Olaiya joined Sam Houston State University in September 2020 and is an Assistant Professor of Internal Medicine and Pediatrics at the College of Osteopathic Medicine. She earned her Bachelor of Science degree in Biology from Texas A&M University and her medical degree from Texas College of Osteopathic Medicine at the University of North Texas Health Science Center (UNTHSC-TCOM). She completed a 4-year combined Internal Medicine-Pediatrics residency training at the University of Illinois College of Medicine at Peoria (UICOMP) and served as one of the IM/Peds chiefs. During this time, Dr Olaiya was recognized for her teaching and scholarly activity with a Resident Teaching Award as well as a Scholar Recognition Award. She subsequently completed a 3-year fellowship in pediatric hematology and oncology at Children’s Mercy Hospital in Kansas City, MO.

Candace Walkley, M.D.

Candace Walkley, M.D.

Dr. Candace Walkley is an Assistant Professor of Internal Medicine (IM) and Pediatrics in the Department of Primary Care at the College of Osteopathic Medicine. She earned her Bachelor of Science degree in microbiology from University of Texas at Arlington and her medical degree from the University of Texas Southwestern Medical Center.

She completed a 4-year combined IM/Pediatrics residency training program, followed by a 2-year fellowship in adult Infectious Diseases (ID), at Louisiana State University Health Sciences Center (LSUHSC). Dr. Walkley was then appointed Assistant Professor of IM and ID at LSUHSC, where she served as the IM Junior and Senior Clerkship Director, ID Fellowship Curriculum Coordinator, and ACGME Subspecialty Education Coordinator, as well as maintained an active clinical practice in ID and IM. Later, Dr. Walkley served as Associate Director of Education for the MedStudy Corporation, where she created evolving study materials for residents and practitioners of IM/Pediatrics, with specific emphasis on review for success on national board exams. Dr. Walkley also has worked clinically as a primary care internist at the VA’s large community-based outpatient clinic in Colorado Springs, and then as an IM/Peds physician in private practice in Huntsville, Texas. Initially board certified in Internal Medicine, Pediatrics, and adult Infectious Diseases, Dr. Walkley maintains certification by the American Board of Internal Medicine and the American Board of Pediatrics. In addition to academic and clinical work at SHSU-COM, she continues to teach IM continuing medical education activities and dedicated board-review courses.

Dr. Walkley believes that medical competency comes after a student acquires medical knowledge (mostly learned “one case at a time”) and adopts the professional behavior of caring and dedicated educators, who make it their mission to provide as many individualized learning opportunities as possible. Dr. Walkley chose to join the SHSU College of Osteopathic Medicine because of an overarching desire to help build a college of medicine that is strongly-oriented to the mission of wellness and primary care.

Awards and Honors: Dr. Walkley was granted several awards for outstanding teaching as a house officer and ID fellow, the Joseph E. Loewenstein Outstanding Teaching Award in 1999, and the Distinguished Faculty Award for Humanism in Medicine in 2006. She is a member of Alpha Omega Alpha, the medical honor society.

Pediatric Medicine

Lesley Gardiner, M.D.

Lesley Gardiner, M.D.

Lesley Gardiner, MD, PhD, FAAP is an assistant professor of Pediatrics in the department of Primary Care at Sam Houston State University College of Osteopathic Medicine. Dr. Gardiner was awarded the Presidential scholarship for Texas A&M Corpus Christi, where she obtained her Bachelor of Science degree in Biology. She then attended Texas A&M College of Medicine in College Station where she obtained her Doctor of Medicine and Doctor of Philosophy degrees. Dr. Gardiner received her PhD in systems biology and translational medicine for her work with Chronic Kidney Disease and metal toxicities.

Dr. Gardiner pursued her Pediatric Residency training at McLane Children’s Hospital Baylor Scott & White in Temple, Texas, where she served as Chief Pediatric Resident. She is a recipient of the “Gene Lawyer Award” given to the resident who “Best demonstrates the qualities of excellent patient management, clinical care, and advocacy for children”.

Dr. Gardiner is board-certified in Pediatrics and has served as a pediatrician in the Conroe area over the past 4 years, first at Texas Children’s Pediatrics and now at SHSU Physicians. Dr. Gardiner is passionate about serving children and their families. She believes that all children and families should be treated with respect, compassion, and kindness. She enjoys educating children and their families about their child’s health and encourages joint decision making as she sees her role with families as a partnership.

As a mother of 3, Dr. Gardiner understands firsthand the challenges and joys of being a parent and wants to support both children and their families as they navigate childhood and adolescence while promoting health and wellbeing.

Dr. Gardiner enjoys traveling, hiking, dance, and hosting events for family and friends.

Kemi Olaiya, D.O.

Kemi Olaiya, D.O.

Dr. Kemi Olaiya joined Sam Houston State University in September 2020 and is an Assistant Professor of Internal Medicine and Pediatrics at the College of Osteopathic Medicine. She earned her Bachelor of Science degree in Biology from Texas A&M University and her medical degree from Texas College of Osteopathic Medicine at the University of North Texas Health Science Center (UNTHSC-TCOM). She completed a 4-year combined Internal Medicine-Pediatrics residency training at the University of Illinois College of Medicine at Peoria (UICOMP) and served as one of the IM/Peds chiefs. During this time, Dr Olaiya was recognized for her teaching and scholarly activity with a Resident Teaching Award as well as a Scholar Recognition Award. She subsequently completed a 3-year fellowship in pediatric hematology and oncology at Children’s Mercy Hospital in Kansas City, MO.

Natasha Shah, M.D.

Natasha Shah, M.D.

Natasha Shah M.D. FAAP is Assistant Professor of Pediatrics in the department of Primary Care at Sam Houston State University College of Osteopathic Medicine. A Native Texan, Dr. Shah attended the University of Texas at Austin and then received her Doctor of Medicine from Texas A&M College of Medicine. Dr. Shah always knew she wanted to be a Pediatrician and stay in Texas to serve the children of this great state. She then completed a three year Pediatric Residency at The University of Texas at Austin – Dell Children’s Hospital.

Dr. Shah is Board Certified in Pediatrics. After residency, she worked in a Primary Care setting as a general pediatrician in the Katy, Texas area. She has a special interest in Global and Rural health and has been on many medical mission trips from the Texas-Mexico border to Uganda, Africa, and other places all over the world. She also has an interest in childhood preventative care, allergies, and childhood obesity prevention and care.

Dr. Shah has a passion for pediatric primary care and truly cares for the patient as a whole. She enjoys being a teacher and healer to all the little patients and just as importantly their families.

“In pediatrics we get to see children grow up and my goal as your children's pediatrician is to instill in them a sense of belonging and hope for their future and guide them in their healing during times of illness.” – Dr. Shah

Dr. Shah enjoys spending time with her family and friends, being involved in church activities, and watching sports – she is a huge Houston sports fan- from the Texans, Rockets and Astros, and likes to travel all over the world both for leisure and mission work.

Clinic Staff

Kathryn Christofferson, B.S.

Kathryn Christofferson, B.S.

Director of Clinic Operations

I am originally from Salt Lake City, grew up in the Rocky Mountains and lived for many years in Colorado Springs. I graduated from Brigham Young University with honors, with a Bachelor of Science in Organizational Psychology. I started my professional career in Human Resources, focusing on Leadership Development.

While working in Human Resources, I developed a desire to focus on the health benefits arena and moved on to work with Fortune 500 companies as an employee health plan consultant. For the past ten years, I have been a leader in the commercial healthcare industry as an administrator and Revenue Cycle Management specialist. I have had the opportunity to develop several teams in start-up organizations and have helped take them to long-term success. I am excited about the opportunity to be part of SHSU Physicians and be immersed in the academic environment while continuing to work in healthcare administration.

Helen Larkin

Helen Larkin

Medical Administrative Coordinator

My background in NY consisted of 17+ years as a reading teacher for middle and high school learning disabled students. Once arriving in Texas, I decided to change career paths and worked as a quality assurance coordinator for a home health agency, a customer care representative for an EHR company, and then an implementation and software training specialist. I am excited to be a part of SHSU Physicians and see us grow and help the surrounding community.

Tatyanai Nellums

Tatyanai Nellums

Medical Receptionist

Tatyanai grew up in Madisonville and Huntsville. She has attended Lone Star College and prior to working at SHSU Physicians, Taty worked in financial services and for the Texas Department of Corrections in Huntsville. Tatyanai choose to become a medical receptionist to gain knowledge and experience in the health care field and to help others. Her infectious smile will welcome you at the SHSU Physician’s clinic front desk.

Alyson

Alyson Baker

Billing Specialist

I am a graduate from Angelina College with an A.A.S. in radiologic technology. While I am new to the healthcare field, I do have experience in urgent care, as well as many years of experience in customer service and human resources. I chose to go into healthcare because of the opportunities that are available and my passion for helping people I am excited to be a part of something new and so grateful to be a part of SHSU Physicians.

Christina

Christina Yough

Medical Assistant

My experience in healthcare began in 1990. I chose the healthcare field because I love taking care of people. The reason I chose SHSU Physicians is that I love to learn and what better place to learn and take care of people is by working for SHSU Physicians.

Glenda

Glenda Stidham

Medical Assistant

I have been in the medical field for over 25 years, mainly in family medicine. I also have experience in Urology, Allergy, and Gastroenterology and briefly in Cardiology. I find the field of medicine extremely interesting and I love helping patients with their healthcare. I chose to take my position with SHSU Physicians to being part of this exciting new adventure SHSU has developed. Osteopathic Medicine and the new SHSU Physicians clinic are working together to establish an amazing learning model that also serves the community…THAT is exciting!

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