Provider Directory

Medical, Dental & Mental Health Providers

Our medical, dental and mental health providers deliver the core services of Bethesda Health Clinic.

John English, MD
CEO

Dr. John English is board certified by the American Board of Family Medicine and has been practicing medicine since 1993. Prior to becoming the Medical Director of Bethesda Health Clinic, he practiced medicine at Trinity Clinic in Tyler, Texas.

John holds a M.D. degree from U.T. Southwestern Medical School. He completed his residency at John Peter Smith Hospital.

Rick Martinez, MD
Medical Director

Dr. Rick Martinez joined Bethesda Health Clinic in 2024.

Rick comes from a family of medical professionals. His grandfather was a pulmonary doctor, his father was a pediatrician and his brother is an allergist. He graduated from the University of Kansas School of Medicine and fulfilled his internship and residency in San Antonio.

Rick loves taking care of patients of all ages, especially the elderly, and is passionate about helping care for those with diabetes. Diabetes is something that runs in his family and he also has the disease, which allows him to share a personal connection to those patients.

He is trilingual and speaks English, Spanish and German. He enjoys playing tennis and watching Star Wars, and has four daughters.

Danny Price, MD
Pediatric Medical Director

Danny Price, M.D., is the medical director and head pediatrician at Bethesda Pediatrics.

He attended Trinity University, went to medical school at UTSW Dallas, and did his residency at Children’s Dallas. After doing some mission trips to Kenya, Mexico, and the Dominican Republic, he left for India with his wife, Lori, and daughter, Abigail for a four year mission; and his son, Benjamin, was born there.

Fishing, tennis and working outside on the acreage they recently moved to are fun. He loves serving at Grace Community Church. But nothing makes him more proud than his two kids.

Matt Humphries, MD
Primary Care Physician

Dr. Matt Humphries is board certified in Family Practice, and he has been practicing medicine since 1996. From 1996 to 2015, Matt served as a Medical Missionary in East Asia with the International Mission Board.

Matt holds a M.D. degree from the University of Texas Southwestern Medical School, and he completed his residency at the University of Alabama. Matt also holds a B.S. in Biology from Baylor University.

Lianne Hanson, MD
Gynecologist

Dr. Lianne Hanson-Sanchez volunteered at Bethesda for many years before joining the staff in 2016. Prior to Bethesda, Lianne was in private practice in Albuquerque New Mexico.

Lianne holds an M.D. from Tulane Medical School. Her internship and residency in Obstetrics & Gynecology was completed at the University of California, San Diego. Her undergraduate degree is from UCLA.

Karin Grantham, MSN, APRN, FNP-BC
Family Nurse Practitioner

Karin joined Bethesda is 2021 after completing her Master of Science in Nursing and becoming credentialed as a Family Nurse Practitioner. She wants to make a difference in the health of her neighbors in East Texas, leveraging an extensive background in healthcare.

Karen completed her Bachelor of Science in Nursing in 1986 at Baylor University and began her nursing career in the Surgical and Trauma Intensive Care Unit. She transitioned into the Operating Room, and returned to school to obtain her MBA from the University of Dallas. She entered the field of healthcare consulting and completed a Master of Science in Organization Development from the University of Texas at Dallas while consulting in the areas of strategy and operations. She was part of the Johnson & Johnson family of companies for more than 20 years before coming home to Texas in 2014.

K.T. Helgesen, NP
Nurse Practitioner

Kathleen “KT” Helgesen is a Pediatric Nurse Practitioner, certified in primary care. She completed her nurse practitioner degree from Duke University in 2008. She also completed her Doctor of Nursing Practice degree from California State University, Fresno in 2017. She completed her undergraduate degree at Point Loma Nazarene University.

KT has a passion for missions, children and travel! She has been to 39 countries across 6 continents and is bilingual in English and Spanish. She brings experience in patient care, leadership, and education, having taught at the undergraduate, masters, and doctoral levels.

KT strives to find opportunities to not only meet patient’s physical needs, but also to check in on their emotional and spiritual needs.

Andrea Loyd, APRN, FNP-BC
Family Nurse Practitioner

Andrea Loyd joined Bethesda in 2010 as a nurse practitioner working part-time. She became a nurse practitioner to serve people and help them feel empowered to improve their health. Said Andrea, “I see myself as a tool that God can use to help people in a practical way, fulfilling God’s call on my life as a teenager to go into a healthcare.”

Andrea has a BS in Biology from Hardin Simmons University, a BS in Nursing from UT Arlington, and a MS in Nursing from UT Arlington. She is certified by the American Nurses Credentialing Center and is a member of Sigma Theta Tau Honor Society in Nursing and the East Texas Nurse Practitioners Association.

Kristin White, FNP
Family Nurse Practitioner

Kristin White joined Bethesda in 2023. Kristin has 7 plus years combined experience as an advanced practice provider and emergency medicine registered nurse (RN). She most recently served as a Nurse Practitioner with MyMD Select in Jacksonville.

She holds degrees from Dallas Baptist University and UT Tyler.

Tiffany Adams, FNP
Family Nurse Practitioner

Stephanie Wilson, DDS
Dental Director

Dr. Stephanie Wilson joined Bethesda in 2021. Stephanie received her Dental license from the University of Texas Dental Branch, Houston TX in 2011 and brings several years of experience in the professional arena as well as volunteering on a mission trip.

Erika Oguanobi, DDS

Dentist

Dr. Erika Oguanobi joined Bethesda in 2024. She has been providing dental services for over 20 years. She received her Doctor of Dental Surgery degree from Baylor College of Dentistry. After completing dental school, she went on to complete a residency with the US Navy at Norfolk, VA and then serving on active duty at Camp Lejeune Marine Corp in North Carolina. She also holds a B.S. in Chemistry from Dillard University in New Orleans, LA.

Kim Camp
Mental Health Counselor

Kim Camp is a Licensed Professional Counselor and LPC Supervisor. She has been providing counseling in Texas and prior to that, Louisiana, since 1994. Kim has a Master’s Degree in Counseling from Louisiana Tech University and holds a B.S. in Psychology from Northwestern State University.

Kim joined the Bethesda team in 2023. She also owns and operates a private counseling practice in Tyler. Prior to starting her private practice in 2020, Kim was the Director of Grace Counseling Center, affiliated with Grace Community Church, for many years.

Lizeth Zavala
Mental Health Counselor

Lizeth Zavala joined the Bethesda team in 2024.

She is bilingual in English and Spanish and has a passion for helping adults and families get the care they need.

Lizeth is a Licensed Professional Counselor Associate (LPC Associate) under the supervision of Kim Camp, M.A., LPC-Supervisor. Under the supervision of Kim Camp, she provides compassionate counseling services to children, adolescents and adults.

She holds a Bachelor’s Degree in Psychology and Master’s Degree in Clinical Mental Health Counseling from The University of Texas at Tyler and has completed extensive training and supervised practice to become an LPC Associate in Texas.

Ray Martinez
Mental Health Counselor

Ray Martinez joined the Bethesda team in 2024.

Ray is a Licensed Professional Counselor, and has been in the mental health field for 24 years. He received his Master’s Degree in Counseling from Stephen F. Austin State University and also holds a B.S. in Psychology and Spanish with a Minor in Biology. 

He enjoys working with adolescent and adult populations in both English and Spanish. He also owns and operates a private practice in Tyler. Most importantly, he has an amazing wife and four wonderful children.

Alexandra Brantley
Mental Health Counselor

Alexndra joined Bethesda in 2024 and serves as a counselor at Bethesda Pediatrics. She works with children and adolescents to address emotional, behavioral, and mental health issues by providing therapy, support, and guidance to help combat challenges such as anxiety, depression, and developmental disorders.

Alexandra earned he BA in psychology and MA in clinical mental health counseling from UT Tyler.

She said, “I am the biggest dog lover you will ever know. My golden retriever Bear is my world!”