Teresa Foster, FNP

Dr. Karen Willfahrt

Teresa Foster, FNP is a Family Nurse Practitioner who has completed continuing medical education in the field of Functional Medicine and integrative medicine. She previously worked at Nature Works Best – a well published Natural Cancer treatment center in Tempe, AZ, and has adjusted her protocols based on her observation of success. Her approach in healing chronic illness and cancer is to get down to root cause, heal the gut, identify and eliminate environmental toxins that cause disease, and support the body to function optimally through diet, supplementation, balancing hormones, detoxing, and lifestyle modifications. Her post-graduate experience has also included conventional medicine, emergency medicine, and accident/injury recovery. 

She has completed Function Nurse Academy July 2023
FLCCC Conference April 2023

Outside of work she enjoys anything nature, family time, and chasing her toddler around. 

Dr. Willfahrt is a Naturopathic Doctor and Nurse. She graduated from Southwest College of Naturopathic Medicine in Tempe and has been in practice for the past 24 years. She is passionate about disease prevention and rejuvenation,  with a goal of overall wellness. Experienced in the care of patients with autoimmune conditions, including MS, RA, CIDP, Crohn’s Disease and Ulcerative Colitis, Dr. Willfahrt develops treatment plans targeted to repair and restore health.

Willfahrt also has 47 years of experience as a nurse. Her patient care is influenced by her various areas of nursing expertise, including Pediatrics, Hospice Care, Home Health and Infusion Nursing.

Treatments: Her treatment modalities include Western and Chinese Botanical Medicine, Acupuncture, Nutrition and Lifestyle Counseling, IV Therapy, Low Level Laser, Harmonic Light Therapy and Homeopathy.

She is Founder and Director of Life Journey Partners of America, Inc., a Phoenix based nonprofit, whose mission is finding creative solutions within communities, supportive of caregivers and those they care for. She is married to her husband Dave, and together, they have four grown children and five grandchildren. She loves walks with her dog in the desert, gardening and time spent with family and friends.