![Photo of Ola Ukaoma DDS]( "Photo of Ola Ukaoma DDS")
Ola Ukaoma, DDS
Dentist
![Photo of Chikwelu Umeh APRN]( "Photo of Chikwelu Umeh APRN")
Chikwelu Umeh, APRN
Nurse Practitioner
![Photo of Kaitlin Valentine MD]( "Photo of Kaitlin Valentine MD")
Kaitlin Valentine, MD
Physician – Family Medicine
![Photo of Manshi Valluri Mallepogu MD]( "Photo of Manshi Valluri Mallepogu MD")
Manshi Valluri Mallepogu, MD
Physician – Internal Medicine
Education
- Master of Science from The University of California San Diego
Languages
![Photo of LaTasha Vanin LCSW]( "Photo of LaTasha Vanin LCSW")
LaTasha Vanin, LCSW
Social Worker
![Photo of Katrina Von Arx MSN, AGNP-C]( "Photo of Katrina Von Arx MSN, AGNP-C")
Katrina Von Arx, MSN, AGNP-C
Nurse Practitioner – Cardiology
![Photo of Katrina Von Arx MSN, AGNP-C]( "Photo of Katrina Von Arx MSN, AGNP-C")
Katrina Von Arx, MSN, AGNP-C
Nurse Practitioner – Cardiology
![Photo of Bonnie J Waite RDH]( "Photo of Bonnie J Waite RDH")
Bonnie J Waite, RDH
Dental Hygienist
![Photo of Cyrstal Walker CNP]( "Photo of Cyrstal Walker CNP")
Cyrstal Walker, CNP
Nurse Practitioner – Family Medicine
![Photo of Amanda Waterman MD]( "Photo of Amanda Waterman MD")
Amanda Waterman, MD
Physician – Pediatrics, Family Medicine, Primary Care
Education
- Doctor of Medicine from Wayne State University
- Family Medicine Residency at Central Michigan University Medical Education Partners
Languages
![Photo of John Weems MD, FASAM]( "Photo of John Weems MD, FASAM")
John Weems, MD, FASAM
Physician – Internal Medicine, Addiction Medicine
Education
- Doctor of Medicine from Harvard Medical School
- Internal Medicine-Primary Care Residency and Addiction Medicine Fellowship at Massachusetts General Hospital and Harvard
Languages
![Photo of Karen Welch MD]( "Photo of Karen Welch MD")
Karen Welch, MD
Physician – Family Medicine
![Photo of Paul Welch MS, RDH]( "Photo of Paul Welch MS, RDH")
Paul Welch, MS, RDH
Dental Hygienist
Education
- Master of Science in Dental Hygiene from The University of Texas Health Science Center at San Antonio
Languages
![Photo of Marc Wenzel MD]( "Photo of Marc Wenzel MD")
Marc Wenzel, MD
Physician – Endocrinology
![Photo of Margaret Whitney MD]( "Photo of Margaret Whitney MD")
Margaret Whitney, MD
Physician – Family Medicine
![Photo of Jessica Wills APRN, FNP-C]( "Photo of Jessica Wills APRN, FNP-C")
Jessica Wills, APRN, FNP-C
Nurse Practitioner – Women’s Health, Family Medicine
Education
- Masters of Science in Nursing from The University of Texas at Arlington
- Bachelor of Science in Nursing from Creighton University
Languages
![Photo of Sarah Wood MD]( "Photo of Sarah Wood MD")
Sarah Wood, MD
Physician – Family Medicine
![Photo of Hope Woodard CNM, DNP]( "Photo of Hope Woodard CNM, DNP")
Hope Woodard, CNM, DNP
Certified Nurse Midwife
Education
- Doctor of Nursing Practice in Nurse Midwifery from Baylor University
- Bachelor of Science in Nursing from The University of Texas at Tyler
Languages
![Photo of Nicholas Yagoda MD]( "Photo of Nicholas Yagoda MD")
Nicholas Yagoda, MD
Physician – Family Medicine
![Photo of Kirsten Young RDH]( "Photo of Kirsten Young RDH")
Kirsten Young, RDH
Dental Hygienist
Education
- Registered Dental Hygienist from University of Texas Health Science Center San Antonio
Languages
Quest Lab Services Relocating from David Powell Health Center
Quest’s last day of patient care at David Powell Health Center is April 13, 2026. Beginning April 14, 2026, patients should visit another Quest lab—please consider less busy locations like Capital Plaza Specialty Clinic, Carousel Pediatrics: North Lamar, or Care Connections for faster service.
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