Our Vitality Healthcare Providers . . .

Edin Abdagic – Reno


Edin Abdagic is certified by the American Association of Nurse Practitioners as an Adult-Gerontology Nurse Practitioner. He is currently practicing regenerative and functional medicine in the Vitality Healthcare Reno clinic.

Edin received his Bachelor of Science degree in Nursing from Saint Xavier University, and received his Masters as an Adult-Gerontology Nurse Practitioner from South University. He is passionate about helping people achieve their full potential by recovering from soft tissue injuries, joint injuries and illnesses. Edin has a holistic approach to health and wellness with a strong emphasis on ongoing patient education. He strongly believes that achieving the best possible outcomes is through patient education.

Prior to joining Vitality Healthcare, Edin spent over 10 years in the emergency, anesthesia and trauma setting, as well as diagnosing and treating urological illnesses including a variety of cancers. Edin's varied experience has made him an extremely strong clinician with a progressive and innovative approach to medicine. He believes that a regenerative and functional medicine approach to utilize the body's natural ability to overcome chronic or acute health conditions is essential to maximum health outcomes.

Outside of work, Edin is a loving husband and passionate father of two little girls. He plays competitive soccer, recreational golf and tennis. He loves to travel and he is fluent in five languages.

Doug Penington – Omaha


Doug Penington has been a practitioner in the Omaha metro since 2003, completing his undergrad at NE Methodist College and his masters degree at University of NE Medical Center. Doug sought out a career the medical field with a desire to help his patients and his community ​and to bring his relaxed, comforting personality into the world of healing.

Doug was drawn to regenerative medicine because he believes in the human body's natural healing capabilities. Doug brings a wealth of knowledge to primary care from his earlier years of practice in a variety of specialties as a nurse and then as a nurse practitioner. As an RN, he worked in a diabetes unit at Bergan Mercy, and then transferred to Bryan LGH East to work in the cardiac ICU. As a NP, he has specialized in treating clients with many different autoimmune diseases and arthritis, to his more recent experience in infectious diseases and wound healing.

With many years of specialty training and seeing a variety of health problems, he now focuses on restoring optimal health with the use of regenerative medicine. Doug's focus is on addressing root cause of health conditions, placing greater focus on issues that ultimately improve a person's health while allowing opportunity to reduce the need for prescription medications and surgeries. He is trained in the use of advanced diagnostic tools, including musculoskeletal ultrasound, to deliver regenerative therapies accurately and effectively.

Doug grew up in Nebraska and now resides in Elkhorn with his wife, Steph, of 22 years and his 2 boys. On days off, you can find Doug biking, jet-skiing, boating, and doing home improvement projects. You may also find him at an airport, staying current with his flying skills in general aviation. Together with Steph, they enjoy playing music, cooking and teaching others about healthy eating and nutrition.

Joseph Yankey – Des Moines


Dr. Joseph Yankey was born in Mason City, Iowa, and graduated with honors from the University of Northern Iowa, earning a bachelor's of art degree in Chemistry. He then went on to pursue his medical career earning his doctor of osteopathy degree from Des Moines University. He completed his family practice residency at Broadlawns Medical Center in Des Moines, IA. Dr. Yankey is a member of American Academy of Family Physicians and is board certified by the American Board of Family Medicine.

Dr. Yankey has over ten years of medical experience in​ family practice, urgent care, and orthopedics. His special interest in orthopedics stems from his collegiate athletic career. As an athlete, he had an affinity for orthopedics and sports medicine, which ultimately led him to the field of regenerative medicine.

He brings over eight years of injection experience to his practice, which includes ultrasound guided joint injections for the highest level of accuracy. He is passionate about regenerative medicine because he can help his patients feel better and decrease their pain in a minimally invasive way.

In addition to his enthusiasm for regenerative medicine, Dr. Yankey also enjoys spending time with his family, snowboarding, rock climbing, cycling, cooking, crosswords, and surfing. He often jokes he is the only Iowan with three surfboards in his basement.

Jennifer D'Andrea – Las Vegas


Jennifer D'Andrea is certified by the American Academy of Nurse Practitioners as a Family Nurse Practitioner. She earned her Bachelor of Science in Nursing and her Masters of Science in Nursing at Ball State University.

Jennifer's experience is predominantly in regenerative and functional medicine, with prior work in emergency and urgent care settings. She began her career as a registered nurse in Las Vegas in the Emergency Room at Spring Valley Hospital and then Virginia Mason in the Emergency Room in Seattle. She earned her MSN in 2015 and began working in the urgent care setting. Before relocating to Las Vegas to continue her work in regenerative medicine and stem cell therapy she was with Pinnacle Integrative Health in Seattle, Washington, where she practiced as a Certified Specialist in Regenerative & Physical Medicine with advanced training in Platelet Rich Plasma therapy and Stem Cell therapy. She addresses nerve, muscle, disc and orthopedic conditions using cutting edge techniques that promote healing of degenerative conditions and inflamed tissue.

She is also trained in Botox, Stem Cell Face Lift, using stem cells and PRP to restore youthful skin & complexions naturally without the use of synthetic fillers or irreversible plastic surgery. Results that are long lasting and leave her patients looking like the younger versions of themselves.

Jennifer finds interacting with patients to be both rewarding and educational and takes great pleasure from mutual teaching. In Jennifer's spare time, she enjoys traveling, hiking, skiing, camping, gardening, reading, cooking, and spending time with her husband and their rescued lab from the Humane Society. Jennifer is originally from Chicago.

Jennifer's Practice Philosophy

Jennifer believes when patients take an active role, they are more willing to adhere to a plan of care, fostering better healthcare outcomes and enhanced patient satisfaction. She actively listens and educates her patients and families to help them achieve their healthcare goals. She hopes to equip her patients with the necessary knowledge and tools to optimally continue their care outside of the office.