Dr. Nancy Tactuk is an internist. She was born in the Ukraine but was raised in the Dominican Republic, where she studied at Universidad Iberoamericana. She completed her residency and additional training at St Barnabas hospital in New York.

Dr. Tactuk is married and enjoys spending time with her husband and two sons.


Sharon worked with Dr. Stefanescu for almost 30 years and is continuing to work with Dr. Tactuk, where she plans to retire someday. As the office manager, Sharon works with pharmaceutical representatives, general business matters, legal needs, and much more. No one knows more than Sharon about the inner workings of Crimson Internal Medicine, LLC. Sharon has streamlined and professionalized the office environment. She is truly indispensable. Sharon is married with one daughter and four precious grandchildren.


Rachel is our billing and coding specialist. She has a Bachelor of Science in Human Environmental Science from the University of Alabama, Master in Health Administration from the University of Phoenix. She is a Certified Professional Coder - Payee. Rachel is a warm, wonderful resource for patients with questions about insurance policies and billing.


Sabrena also worked with Dr. Stefanescu for 25 years and continues to work with Dr. Tactuk. With her gentle and experienced touch, she handles patient care and has been known to give almost painless injections. Sabrena is a multi-tasker, not only is she a nurse, but she also helps with whatever tasks are at hand without complaint. All of our patients love and depend on her. Sabrena is married and has one daughter and one son.


​Brandon received his degree as a Licensed Practical Nurse in 2004. He gets our patients ready for Dr. Tactuk to see. He also talks to patients about their test results, Medications or other information that he can help with. Brandon is very handy to have around as our only male employee. Brandon enjoys working with his cows and horses at his country home.

Kari Smith, Receptionist

Kari is one of the friendly faces that greets you at our front desk. She is energetic and friendly, always ready to help with any task at hand. She is proud to say she was born and raised in Tuscaloosa and a graduate of Tuscaloosa County High. When not working she enjoys cheering on her two sons as they play football and baseball, she also enjoys gardening with her husband and antiquing with her Mom.