Medical Providers

Dr. Rebecca Nickell, DO  Schedule with Dr Nickell

Dr. Rebecca Nickell believes great healthcare is about more than just treating symptoms—it’s about understanding you as a whole person. As an Osteopathic Physician, she takes a comprehensive, patient-centered approach to health and wellness, helping individuals and families thrive at every stage of life.

After earning her medical degree from Oklahoma State University College of Osteopathic Medicine in 2002, Dr. Nickell fell in love with Colorado while completing her residency at Southern Colorado Family Medicine in Pueblo. Her expertise spans general family medicine, women’s health, osteopathic manipulation, mental health, and weight management. She loves caring for entire families, from young children to grandparents, and values the relationships she builds with her patients over time.

Dr. Nickell’s passion for medicine was sparked by stories of her grandfather, a small-town family physician who cared for his entire community like they were family. That same dedication drives her today, ensuring each patient feels heard, valued, and supported in their health journey.

Outside of medicine, Dr. Nickell enjoys spending time with her three daughters and extended family. She’s an avid reader, a lover of live theater, and a creative spirit who enjoys sewing and designing costumes for the whole family

Dr. Tana Smith, MD  Schedule with Dr Smith

With over 20 years of experience as a board-certified family physician, Dr. Tana Smith is dedicated to providing personalized, patient-centered care. A proud Colorado native, she has spent decades serving local communities, helping individuals and families stay healthy through every stage of life.

Dr. Smith completed her undergraduate studies at the University of Denver before earning her medical degree from the University of Colorado School of Medicine. She then trained at the St. Anthony Family Medicine Residency Program in Denver, where she honed her expertise in comprehensive family medicine.

Believing that the best healthcare happens through partnership, Dr. Smith takes the time to truly listen to her patients, ensuring that treatment plans are developed collaboratively. She values shared decision-making, empowering her patients with the knowledge and support they need to take charge of their health.

Dr. Smith has called Littleton home for over 20 years, where she and her husband—married for over 40 years—have raised their family. Now proud grandparents, she cherishes time spent with her loved ones and enjoys the Colorado outdoors. Whether she’s swimming, hiking, biking, or skiing, she embraces an active lifestyle. She also loves to unwind with a good book, always eager to learn and grow.

Dr. Ashleigh Sartor, MD Scheduling Not Available

Dr. Ashleigh Sartor is passionate about building lasting relationships with her patients and helping them achieve their best health through a personalized, whole-person approach. As a board-certified physician in both Primary Care and Functional Medicine, she focuses on uncovering the root causes of health concerns and working alongside her patients to create sustainable, effective treatment plans.

Dr. Sartor earned her medical degree from Wayne State University in Detroit after completing undergraduate degrees in Chemistry and Biology at Hope College in Michigan. She then moved to Denver for her residency training at Swedish Medical Center Family Medicine Residency, where she fell in love with Colorado’s vibrant medical community and active lifestyle.

With a broad scope of expertise—including women’s health, preventive care, and chronic disease management—Dr. Sartor is committed to treating the whole person, not just symptoms. She also serves as the director of the Elite Medical Weight Loss program at Altitude, helping patients reach their health goals through evidence-based strategies in nutrition, lifestyle, and medical support.

A firm believer in the power of healthy living, Dr. Sartor enjoys sharing her knowledge of functional medicine, nutrition, and cooking with her patients to help them make lasting, positive changes.

David Battiste, PA-C  Schedule with David

David Battiste, PA-C has been in practice since late 2020 and is an NCCPA certified Physician Associate. He is affiliated with the American Academy of Physician Associates, the Physician Assistant Education Association, and the LBGT PA Caucus. Specializing in Family Medicine, David holds a Bachelor of Applied Science in Organizational Leadership and an Associate of Applied Science in Paramedicine, as well as a Masters of Clinical Health Services. He believes that teaching and expertise are not mutually exclusive, with passion being the overlap for a great educator.

David also believes that healthcare is a fundamental human right and aims to provide significant medical and mental wellness to his patients while educating and motivating them, as well as his peers and family, to advocate for themselves to achieve their ideal physical and mental wellness. In his personal time, David enjoys spending time with his wife and two daughters, and is a health enthusiast and avid outdoors person who enjoys reading, music, camping, and backpacking.

Alyssa Coleman, FNP  Schedule with Alyssa

Alyssa Coleman is passionate about providing primary care and preventative healthcare to her patients. She believes the best way to tackle healthcare is to prevent problems from happening at the start. She likes to build relationships with her patients by working with them as a team to address their concerns.

Alyssa completed the Family Nurse Practitioner program from the University of Colorado Anschutz. She also has a Master of Public Health from Boston University.

Being a Colorado native, Alyssa loves getting up to the mountains. She enjoys snowboarding and hiking. In the last year she has taken up kickboxing. She has two kids, both boys, ages 1 and 3 years old. She also has two dogs: a 2-year-old lab and a 14-year-old cattle dog. They all keep her busy!