This free meet and greet is a relaxed, non-medical visit to help you decide if our personalized, concierge approach to care is right for you.
Treating every patient with kindness, respect, and understanding.
Upholding the highest medical and professional standards.
Delivering high-quality care through advanced techniques and technology.
Focused on individual needs to create personalized care solutions.
Adopting the latest medical advancements for better outcomes.
Working together as a team to deliver the best outcomes to our patients.
Dr. Kristine Sarna
Family Medicine Practitioner
Dr. Kristine Sarna is a board-certified Family Physician specializing in wellness and anti-aging services.
She is an Arizona native, having completed her medical school education at the University of Arizona in Tucson and her Family Practice Residency at Good Samaritan Hospital in Phoenix. Dr. Sarna is also Board Certified in Integrative Holistic Medicine and holds certification in Medical Acupuncture from UCLA School of Medicine.
Dr. Sarna enjoys treating patients of all ages. She believes in providing natural options for our patients to improve their health, including vitamin and nutraceutical therapies as well as acupuncture and lifestyle modifications.
Dr. Sarna has specialized training in Bioidentical Hormone Replacement Therapy for men and women. Dr. Sarna is co-owner of Norterra Family Medicine and Paradise Medspa & Wellness, our sister office, providing cosmetic skin care and wellness services.
Dr. Sarna was named one of the Top 10 Most Inspiring Women Leaders to Watch in 2025. Read the article here.
Dr. Rebecca Weiss
Family Medicine Practitioner
Dr. Rebecca Weiss is a board-certified Family Physician with a special emphasis on women’s health and dermatologic care. As an osteopathic physician, she takes a holistic approach to medicine, partnering with patients to help them achieve long-term health through education, prevention, and healthier lifestyle choices. In recognition of her commitment to preventive healthcare, she has been named one of Phoenix Magazine’s Top Doctors for Preventive Medicine.
Dr. Weiss graduated from the New York College of Osteopathic Medicine before completing her Family Medicine residency at Brown University. She is the co-owner of Norterra Family Medicine and the Owner and Medical Director of Paradise MedSpa & Wellness, our sister practice located next door, where she provides advanced aesthetic, cosmetic skincare, and wellness treatments while integrating the same physician-led approach to patient care.
In addition to her clinical work, Dr. Weiss is listed in the Worldwide Who’s Who professional directory, reflecting her dedication to excellence in patient care and the advancement of family medicine.
Molly Ann Allen
Physician Assistant
Molly Ann Allen is a board certified Physician Assistant. She attended and graduated from Midwestern University in Glendale, Arizona. She expanded her medical knowledge by graduating from the Fellowship in Integrative Medicine in the fall of 2019 at the Andrew Weil Center for Integrative Medicine, at the University of Arizona College of Medicine—Tucson.
She joins an elite group of practitioners to have initiated studies with this internationally-recognized integrative medicine program. Launched in 1997 by integrative medicine pioneer Andrew Weil, MD, the Fellowship in Integrative Medicine is a 1,000-hour, two-year distance-learning program. She is also an Arizona State University graduate and received a degree in Exercise Physiology.
She volunteers and organizes medical mission trips to Rocky Point, Mexico where she provides care to the underserved. She has worked in Family Practice and Internal Medicine for the last twenty one years. She has worked at Norterra Medicine since 2009. She enjoys treating patients of all ages and being able to care for entire families. Molly Ann believes in practicing preventive medicine and trying to maintain overall wellness. Molly Ann specializes in Bioidentical Hormone Replacement Therapy and has comprehensive experience in this area. Molly Ann is passionate about being a patient advocate.
She has resided in Phoenix since 1992. She is an active member of National Charity League, a mother-daughter philanthropic organization. Molly Ann has been married for 23 years and is a proud mother of two young adults.
Nicole Walker
Physician Assistant
Nicole Walker is a board certified Physician Assistant. She is a native of Arizona having received her Masters of Physician Assistant Studies from Midwestern University in Glendale, Arizona and her Bachelor of Science in Exercise Science from Arizona State University.
Over the course of her career Nicole has practiced in Family and Sports Medicine. She not only practiced in an office setting, but also going into high schools and colleges to perform sports physicals and cover athletic events.
Nicole really enjoys creating a comfortable environment and team approach with her patients to help treat their medical concerns. She has been married for 10 years and loves living in the valley and raising her 2 children in the beautiful Arizona desert.