Our Team

Supervising Physician:
Mark A. Cline, M.D.

Nacogdoches Office:
Sarah Davis, FNP-C
Erin Somerlatte, PA-C
Kate McConnell, FNP-C

Center Office:
Laura Briggs, ACNP-BC
Candace Carter, FNP-C

Rusk Office:
Jessica Oker, FNP-C
David McIntyre, DNP-C

Mark A. Cline, M.D.

Mark A. Cline, M.D.
Dr. Cline is a board certified Diplomate of the American Board of Family Medicine and has been in private practice as a family physician in Nacogdoches since finishing his residency training in 1997.
Dr. Cline graduated near the top of his class from the University of Texas Medical School of Texas in 1994. He was elected president of the Alpha Omega Alpha national honor medical society while a student there. He then spent three years at the Baylor affiliated Waco Family Practice Residency in Waco, Tx. where he was trained in pediatrics and adult medicine, both inpatient and outpatient. He served as Chief Resident during his third year.
In addition to his private practice, Dr. Cline has also been a longtime teaching proctor of Physician Assistants, Nurse Practitioners, and medical students in his office and has been recognized as an outstanding teacher for his efforts. He is a member of the American Medical Association, Texas Medical Association, Nacogdoches-San Augustine Medical Society, American Academy of Family Physicians, and Alpha Omega Alpha Honor Medical Society.


Erin Somerlatte

Erin Sommerlatte P.A.-C

Erin Sommerlatte, PA-C attended high school in Tomball, Texas graduating magna cum laude. Having always wanted to serve in the medical community, she spent many hours volunteering at the local hospital. In 2002, Erin earned her Bachelor of Science in Biology and Business Management from Houston Baptist University. While attending college, she worked as a medical scribe in several emergency rooms in the Houston area. This allowed her to confirm her desire to continue in the medical field. Erin was accepted to Baylor College of Medicine Physician Assistant program. She enjoyed the challenges and opportunities afforded to her by attending school in the Houston Medical Center. She graduated with a Masters of Science in Physician Assistant Studies in 2006. She is board certified by the National Commission on Certification of Physical Assistants.

After graduation, Erin began her career in Orthopedic Surgery in Cypress, Texas. She worked in both the clinic and hospital setting practicing for eight years. In 2015, Erin and her husband, Jeff, decided it was time to leave the Houston area. They chose Nacogdoches as home and she joined Cline Family Medicine. She has loved her time working in family medicine. She has been able to draw on her training and working experience to provide exceptional care to her patients.


Laura Briggs, ACNP-BC

Laura Briggs, ACNP-BC

Laura C. Briggs, ACNP-BC has been a provider at Cline Family Medicine since December 2014. Laura was born and raised in Shreveport-Bossier. She currently resides in Joaquin with her husband Nat (Rodgers) and two children, Abi and Wilson. In 2007, she graduated Magna Cum Laude with her Bachelor of Science in Nursing from Northwestern State University of Louisiana. Laura’s nursing background includes being an inpatient dialysis nurse followed by 5 years of Surgical ICU nursing at a level one trauma center in Shreveport.

In 2013, she graduated with her Master’s of Science in Nursing.

She is ANCC board certified as an Acute Care Nurse Practitioner. As an ACNP, Laura worked in internal medicine for one year prior to joining Cline Family Medicine. In her down time, Laura enjoys spending time with her family and close friends. She is involved in her church and feels her faith, family and friends are the most important parts of her life. She has a passion for delivering high quality personalized health care and has expressed that she enjoys caring for the residents of Shelby County and surrounding areas.


Candace Carter, FNP-C

Candace Carter, FNP-C

Candace Carter is a Family Nurse Practitioner, certified by the American Association of Nurse Practitioners.  She attended the University of Texas at Tyler where she received her Master of Science in Nursing Administration and in 2016 received a Post Masters FNP Certification from the University of South Alabama.

Candace has worked as an RN in ICUs across the United States.  She also completed travel assignments to John Hopkins Hospital in Baltimore, Maryland, and MD Anderson in Houston, Texas.

Candace returned to East Texas in 2013, where she taught critical care nursing at Stephen F. Austin State University.  Candace is a graduate of Shelbyville High School and has returned to serve the community as a Family Nurse Practitioner at Cline Family Medicine in Center.

Candace volunteers in the community by serving in various local organizations, including the 50 Women Impact Group,Shelby County Young Professionals Network, and Xi Alpha Delta Rho.

Candace is passionate about caring for the needs of others and is proud to work with a talented team of care givers at Cline Family Medicine.  Her passion recently led her on a medical mission trip to serve the people of Honduras.  In her spare time, she loves to travel while spending time with family and friends.


Jessica Ocker FNP-C

Jessica Ocker FNP-C

Jessica Ocker attended high school in Greenwood, Arkansas graduating magna cum laude in 2004. She moved back to her hometown of Whitehouse, Texas and began her college career at Tyler Junior College. She graduated in 2006 with an Associates in Arts and Science. She continued her education at The University of Texas at Tyler and received her BSN in 2010 graduating magna cum laude. After becoming an RN, Jessica worked as an ICU nurse at ETMC Tyler for 5 years. In 2013 she was accepted into the masters program at UT Tyler to begin her journey of becoming a Nurse Practitioner. During this time she transferred units to work in Pre and Post Heart Cath and Interventional Radiology at ETMC where she worked until she completed her degree. Jessica also had the opportunity to work for Pulmonary Specialist of Tyler in the Intensive Care Unit while completing her degree. Jessica credits the six years of experience in the hospital setting for preparing her to practice as an Advance Practice Registered Nurse

Jessica graduated with her MSN in June 2016 and accepted a job at Cline Family Medicine the very same day. She is AANP board certified as a Family Nurse Practitioner. Jessica and her husband Jake started their family shortly after she completed her degree and now have two small children, Jasper and JoJo. She has enjoyed her time working in family medicine and looks forward to practicing with Cline Family Medicine for years to come.

 Nacogdoches Staff


Center Staff