Patient Resources

Our Providers

Gynecology and Obstetrics in Huntsville, Alabama.

For over 27 years, Tennessee Valley OBGYN has provided comprehensive obstetric and gynecologic care for the women of Huntsville. In 2021, we were voted Huntsville’s Best Gynecologist. We aim to provide top OB/GYN care for women of all ages.

Dr. Sharon Callison

Sharon Callison, MD FACOG

Dr. Sharon Callison, a dedicated Alabama native and partner at Tennessee Valley OBGYN since 2001, combines her impressive educational background, including a summa cum laude degree from Auburn University and medical training at the University of Alabama at Birmingham School of Medicine, with a deep passion for patient care. Awarded as the “Best Gynecologist” in the Tennessee Valley in 2020, Dr. Callison cherishes the personal connections with her patients, emphasizing a comprehensive care philosophy. Outside the clinic, she enjoys an active outdoor lifestyle with her family and three cats in the Huntsville area.

Dr. Karen Raiford

Karen Raiford, MD FACOG

Dr. Karen Raiford, with over 15 years at Tennessee Valley OB/GYN, brings a wealth of experience from North Carolina, holding degrees from Wake Forest University and East Carolina University. Specializing in robotic-assisted surgery and high-risk obstetrics, she values the blend of medicine and surgery the OBGYN field offers, focusing on patient relationships and education. Outside of her professional life, Dr. Raiford enjoys time with her family, art, and antiques.

Dr. Brittany Holcomb

Brittany Holcomb, DO

Dr. Brittany Holcomb, an Alabama native, is excited to begin her career with Tennessee Valley OB/GYN. She has had a passion for OB/GYN since high school and is honored to serve those of the Huntsville community. She completed her pre-medical degree at Auburn University in her hometown. She completed her medical education at the Alabama College of Osteopathic Medicine in Dothan, AL, where she gained a solid foundation in medical knowledge and clinical skills. Dr. Holcomb completed her residency training at Riverside Regional Medical Center in Newport News, Virginia. While in residency, she gained valuable experience in women’s health. She had the privilege of working with a diverse range of patients, addressing everything from routine wellness checks to gynecologic surgery and high-risk pregnancies. Her approach to care is rooted in empathy and collaboration. She believes in fostering open communication with patients, ensuring that you are informed and involved in every decision about your health. Outside of the office, you can find Dr. Holcomb playing disc golf or pickleball with her husband, weightlifting in her mini home gym, or cuddled up with a good book and her boxer mix, Opie. 

MORGAN MCHUGH

Morgan McHugh, FNP-C

Dr. Callison’s Team

Morgan McHugh, FNP-C, a dedicated member of Tennessee Valley OBGYN since 2019, brings a rich background in nursing and emergency care from her time in Birmingham to her role in North Alabama. With a focus on total wellness, family planning, and fertility, Morgan places a high priority on patient-centered care, advocating for informed, mutual decisions regarding treatment plans. Outside of her professional life, she enjoys outdoor activities, reading, and spending quality time with her family and pet schnauzer, Milly.
Emily Anderson FNP-C

Emily Anderson, FNP-C

Dr. Callison’s Team

Emily Anderson, FNP-C, a Huntsville native, is a dedicated member of Callison’s Team at our Crestwood Location. Emily transitioned from Neonatal ICU nursing to Tennessee Valley OBGYN. Emily is committed to creating a supportive and empathetic environment for patients, creating specialized care plans to meet each woman’s health needs. She believes in thorough patient education, open communication, and making patients feel heard and advocated for. When she’s not in the office, you can find Emily spending time with her husband Wes, dog Scout and her friends and family. A few of Emily’s favorite things include, hosting friends at her house, eating at Little Rosie’s, watching Alabama football, cycling on her Peloton and summers spent on the lake.  
Candace Orr -FNP-C

Candace Orr, FNP-C

Dr. Callison’s Team

Candace Orr, FNP-C from Courtland, Alabama, with over 13 years of nursing experience in women’s health and pediatrics, joined Tennessee Valley OBGYN in 2022. She earned her Bachelor of Science in Nursing and Master of Science in Nursing at the University of Alabama at Birmingham. Candace believes in an open and trusting patient-provider relationship. In her spare time, Candace enjoys spending time with her 7-year-old daughter and traveling with family and friends. 
Samantha Pritchett, NP-BC

Samantha Pritchett, NP-BC

Dr. Callison’s Team

Samantha Pritchett, NP-BC, rooted in Huntsville, transitioned from NICU nursing to Tennessee Valley OBGYN, where her commitment to neonatal and women’s healthcare flourishes. Her practice philosophy emphasizes holistic, patient-centered care, fostering long-term relationships, and empowering patients through education. Beyond her professional life, Samantha enjoys a balance of relaxation and adventure, indulging in activities like Latin dancing, rock climbing, and weightlifting, which mirror her proactive and comprehensive approach to healthcare.
Bree Barnes Gentry- NP-C

Bree Barnes Gentry- NP-C

Dr. Callison’s Team

Bree Barnes Gentry- NP-C, an Alabama native, is now rooted in the small, charming town of Dutton. A dedicated member of Dr. Callison’s team at Tennessee Valley OBGYN, where she brings a rich background from previously being a Labor and Delivery Nurse at Crestwood Maternity Center. Bree’s patient care focus is based around love, compassion, and patient education. It’s important for her patients to feel deeply cared for and fully in-tuned to their personal healthcare. She believes in open communication and empathic care for each and every woman she comes in contact with. Her love for women’s health and Tennessee Valley OB-GYN runs deep. Outside of the office, you can find Bree spending time with her husband, Jake, her favorite fur baby, Jac-Jac, or her family & friends. Bree enjoys running, going to the gym, watching sports, cooking meals & hosting friends and family in her home.