Meet Our Team
Leadership Team
Camille Cox, NP
Executive Director
Mariana Tawadrous brings over 23 years of experience in Internal Medicine, complemented by 5 years of Bariatric Medicine, with a focus on holistic and patient-centered care. A dedicated Clinical Medical Instructor and advocate for preventative health, she integrates Osteopathic Manipulative Treatment (OMT) and bariatric care into her practice. Beyond medicine, she enjoys family time, reading, journaling, cooking, and outdoor activities that reflect her passion for a balanced life.
Mariana Tawadrous, DO
Doctor of Osteopathic MedicineMichael Tawadrous, MD
Doctor of Medicine
Becky brings over 23 years of experience as a Physician Assistant, specializing in Emergency Medicine, Internal Medicine, and Gastroenterology. Dedicated to compassionate patient care, Becky found her true calling in 2020, working with geriatric patients and their families at Atlas Medical, where her extensive expertise and empathetic approach continue to make a lasting impact.
Rebekah 'Becky' Reinke, PA
Provider Manager
Zakaria Tawadrous, MD
Doctor of MedicineMeet the Team
Alana Pilon, NP
Nurse Practitioner
Alicia, an experienced NP, has a robust background in neurosurgery and critical care, including over five years as a registered nurse in neuro step-down and ICU units. A graduate of the University of Arizona, Alicia has been dedicated to providing compassionate, high-quality patient care, even during the challenges of COVID-19. She is passionate about serving others and helping patients achieve the best outcomes through personalized care.
Alicia Jarrell, NP
Nurse PractitionerAlyssa Allen, NP
Nurse Practitioner
Ashley brings 15 years of nursing experience with a focus on primary care, chronic disease management, and preventative health strategies. Dedicated to improving the well-being of the elderly and their families, Ashley combines patient-centered care with expertise in clinical assessment, treatment planning, and education. Her compassionate approach ensures high-quality, personalized healthcare for every individual she serves.
Ashley Squier, FNP-C
Nurse Practitioner
Breanna, a Nurse Practitioner with over 20 years of healthcare experience, is dedicated to providing personalized and compassionate care. With expertise in Family Medicine, Cardiology, and Pulmonology/Sleep Medicine, she fosters wellness and support within the community. Outside of work, Breanna enjoys hiking, rockhounding, and creating cherished memories with family and friends in Arizona's beautiful outdoors.
Breanna Johnson, FNP-C
Nurse Practitioner
Katie is an Adult Geriatric Primary Care Nurse Practitioner dedicated to providing compassionate, personalized care for the aging population. With over 16 years of experience as an RN in telemetry, wound care, neuro/stroke care, hospice, and leadership, she has been board-certified as an NP since 2020. Katie cherished building meaningful connections with patients and supporting them through complex health conditions in their own homes.
Cathryn Griepentrog, MSN, NP
Nurse Practitioner
Cherise, a Family Nurse Practitioner with over 25 years of nursing experience, specializes in internal medicine, primary care, and functional medicine. Dedicated to holistic care, she empowers patients to achieve a balanced, optimal quality of life by addressing physical, mental, and spiritual health. Cherise is committed to creating a supportive environment where individuals feel heard and understood.
Cherise Brimmer, FNP
Nurse Practitioner
Dr. Shumway is a certified foot and ankle surgeon with over a decade of experience providing comprehensive care for conditions ranging from ingrown toenails to complex ankle replacements. A graduate from Temple University School of Podiatric Medicine, he is dedicated to advancing the field through education, community involvement, and ongoing academic development. Outside of work, Dr. Shumway enjoys spending time outdoors and with his family of five.
Clay Shumway, DPM
Podiatrist
Dan is a dedicated healthcare provider with over five years of experience specializing in family practice. With advanced degrees in nursing and a background in primary and urgent care, he is committed to delivering personalized care while staying updated on the latest medical practices. Dan takes pride in supporting the health and well-being of his community.
Dan Carter, FNP, MSN
Nurse Practitioner
Daniel is a dedicated Nurse Practitioner with over 20 years of experience in nursing, specializing in diabetes, psychiatry, internal medicine, and palliative care. Since 2015, he has focused on providing compassionate healthcare to elders and underserved populations, particularly with indigenous communities, while empowering patients and their families through education to make informed healthcare decisions.
Daniel Couch, NP
Nurse Practitioner
Darcel is a compassionate Nurse Practitioner with formal training in family practice and a specialization in geriatric medicine since 2014. With a Master's degree and a strong focus on personalized, high-quality patient care, she is dedicated to enhancing the well-being of her community. Outside of work, she enjoys gardening, traveling, and spending time with her family.
Darcel Randall, FNP-C
Nurse PractitionerFaye Hamilton, a seasoned healthcare professional with over 17 years of experience in emergency and family medicine, serves in multiple Banner Emergency Departments across Phoenix while mentoring new providers. Passionate about education and patient care, she is also an Adjunct Clinical Instructor at AT Still University, dedicated to nurturing the next generation of medical professionals. Beyond her medical career, Faye enjoys traveling, writing, and connecting with her community and family.
Faye Hamilton, PA-C
Physicians Assistant
George is a compassionate psychiatry professional dedicated to supporting mental health as the foundation of overall well-being. Since 2017, he has provided evidence-based care to individuals facing psychiatric and neurological challenges, fostering trust and empowering them to achieve emotional stability and improved quality of life. A proud member of the Americans Nurses Association, George is committed to reducing stigma and inspiring hope in the communities he serves.
George Nyakundi, NP
Nurse Practitioner
Gina is a Family Nurse Practitioner with over 19 years of healthcare experience, dedicated to providing compassionate, evidence-based care that places patients first. Inspired by her own experience with compassionate care as a child, she brings expertise gained from roles in rehabilitation, pre-surgical testing, and retail healthcare to her practice. With a deep commitment to her family and community, Gina strives to make a positive impact in every patient's life.
Gina Madsen, FNP
Nurse PractitionerJennifer Bann, NP
Nurse Practitioner
Jilanne Rose is a Nurse Practitioner with over 20 years of experience specializing in Adult Cardiovascular Medicine, Emergency Care, and Orthopedics. Passionate about personalized, compassionate care, she is dedicated to improving the health and quality of life for her patients and their caregivers. Outside of work, Jilanne enjoys traveling with her family and cheering on her children at competitive hockey tournaments.
Jilanne Rose, FNP
Nurse Practitioner
Jon, a dermatology physician assistant fluent in Spanish, specializes in providing expert care to patients in the valley. Drawing on extensive experience in family practice, urgent care, and geriatric medicine, he is dedicated to instilling hope and addressing patient concerns while managing our curing their conditions. Since 2021, Jon has been committed to fostering wellness and inclusivity through personalized care in his community.
Jonathan Harris, PA-C
Physician Assistant, DermatologyKaryn Sallus, DPM
Podiatrist
Kassondra is a Certified Physician Assistant with over 15 years of experience in General Surgery and Pediatric Emergency medicine. Inspired by a passion for compassionate care, she transitioned to serve the geriatric population, bringing her dedication and expertise to enhance patients' quality of life. Born and raised in Arizona, Kassondra has fulfilled her lifelong dream of practicing medicine and serving her community.
Kassondra Mellen, PA-C
Physician Assistant
Keith is a dedicated Family Nurse Practitioner with extensive experience in geriatric care and neurology. Since beginning his healthcare career in 1995, he has prioritized compassionate, personalized care for his community. Keith lives in Surprise, AZ, with his wife Stacy, also an NP, their four children, and a variety of animals, and enjoys wodworking and family camping trips in his free time.
Keith Podolak, FNP
Nurse Practitioner
Kristin, a Family Nurse Practitioner, has deep roots in the Chandler/Gilbert Community. A proud graduate of Grand Canyon University, she specializes in geriatric care, drawing on diverse experience in trauma, neuro, and pediatric specialties. Inspired by early experiences caring for her great-grandmother, Kristin combines expert knowledge with a heartfelt commitment to personalized care.
Kristin Meharry, FNP
Nurse Practitioner
Leslie is a compassionate Family Nurse Practitioner with over 15 years of healthcare experience, specializing in diabetes and hypertension management, preventative care, and weight loss. She values personalized care and building strong patient relationships to promote health and reduce hospitalizations. Outside of work, Leslie enjoys outdoor activities with her family and actively volunteers in her church community.
Leslie McCartney, NP-C
Nurse Practitioner
Linda MacConnell, PA
Physician Assistant (Psych)
Michelle, a compassionate Family Nurse Practitioner with a Master's degree from the University of Phoenix, specializes in geriatric care and has extensive experience supporting homebound elderly patients. Dedicated to personalized care, she finds joy in positively impacting her patients' lives and values fostering clear, empathetic communication to meet each individual's unique needs.
Michelle Rivera, FNP-C
Nurse Practitioner
Nicole has been an integral part of the Tucson medical community since 2008, specializing in internal medicine, family practice, and women's health. Passionate about patient education, she empowers individuals and families to make informed decisions for their health. Transitioning to mobile medicine, Nicole is dedicated to delivering personalized care that considers the mind, body, and spirit of each patient.
Nicole Caniglia, PA-C
Physician Assistant
Nicole is a Family Nurse Practitioner with over 11 years of experience specializing in adult and senior care. With advanced degrees in Nursing Practice and a focus on Palliative Care, Hospice Care, and Wound Care, she is dedicated to enhancing the quality of life for older adults. Nicole views seniors as vital pillars of our communities and strives to help them effectively manage chronic diseases through personalized care.
Nicole Strutzenberg, DNP, FNP-C
Nurse Practitioner
Preston, a board-certified psychiatric nurse practitioner since 2019, is committed to guiding individuals toward mental wellness and self-improvement. Known for his compassionate care, Preston draws from his experience as a family man and his dedication to the community, helping patients unlock their full potential while addressing the complexities of mental health.
Preston Strebeck, PMHNP-BC
Nurse Practitioner (Psych)
Rachel is a skilled Family Nurse Practitioner with over a decade of healthcare experience, including expertise in orthopedic surgery, aesthetic nursing, and geriatric care. Passionate about providing high-quality care, she is dedicated to ensuring elderly patients experience dignity and comfort in their later years. A proud mother and active community member, Rachel brings both expertise and a heartfelt commitment to improving lives through personalized post-acute healthcare.
Rachel Gable, NP
Nurse Practitioner
Renee is a Family Nurse Practitioner dedicated to providing patient-focused care with a special passion for the geriatric population. Practicing since 1028, she emphasizes patient education and collaboration to empower individuals in managing their health. Outside of work, Renee enjoys crafting, reading, and exploring Arizona with her husband and two children.
Renee Rundle, FNP-C
Nurse Practitioner
Sandra, a compassionate Family Nurse Practitioner with over 25 years of nursing experience, is dedicated to providing personalized, preventative care. Based in Mesa, Arizona, Sandra focuses on building strong patient relationships and promoting over all wellness. Outside of work, she values family time and enjoys outdoor activities like hiking, trail running, and boating.
Sandra Garner, FNP
Nurse Practitioner
Sarah is an Adult-Gerontological Acute Care Nurse Practitioner with three years of experience delivering compassionate, holistic care. She prioritizes patients' physical, spiritual, emotional, and social well-being, fostering a safe environment where they feel heard, empowered, and involved in their healing process. Beyond her practice, Sarah enjoys hiking, yoga, and spending time with her Australian Shepherd.
Sarah Davison, NP-C
Nurse Practitioner
Shane is an experienced Physician Assistant with a Doctorate in Medical Sciences (Psychiatry) from Rocky Mountain University, specializing in post-acute psychiatric care. He provides compassionate care across 20 facilities, addressing conditions like Major Depressive Disorder, Anxiety, and Alzheimer's Disease. Shane is deeply committed to personalized patient care and contributing to versatile healthcare environments.
Shane Doty, PA
Physician Assistant (Psych)
Shea is a dedicated physician assistant specializing in Internal Medicine, Geriatric, and Family Medicine. Fluent in Spanish, she is passionate about helping patients achieve their healthcare goals with compassion and personalized care. her extensive experience, including service in the Dominican Republic and work in cardiology, has shaped her commitment to enriching the lives of her patients.
Shea Prestwich, PA-C
Physician Assistant
Stacy is a board-certified Family Nurse Practitioner with 15 years of experience, specializing in creating personalized health goals to help patients achieve their best possible health outcomes. Based in South Phoenix, she is passionate about providing compassionate care to high-risk patients with complex needs while forming meaningful connections to address their individualized concerns.
Stacy Rummer, NP
Nurse Practitioner
Susan is a certified Family Nurse Practitioner with over 25 years of nursing experience and a passion for holistic, patient-centered care. She is dedicated to improving health outcomes by addressing both medical concerns and the social factors impacting her patients' well-being. Outside of work, Susan enjoys hiking with her three dogs, spending time with her family, and exploring new recipes in the kitchen.
Susan Bast, MSN, FNP-C
Nurse Practitioner
Tesha is a compassionate Family Nurse Practitioner with a focus on geriatric primary and palliative care. With over a decade of experience, she is dedicated to providing patient-centered care, prioritizing the unique needs and preferences of the elderly community. Tesha strives to build strong partnerships with her patients, fostering a collaborative approach to individualized treatment plans.
Tesha Hopphaus, FNP
Nurse Practitioner
Theresa is a highly experienced Family Nurse Practitioner with 34 years of nursing expertise, specializing in geriatrics, dementia care, and hospice care. With a compassionate approach, she focuses on providing personalized care to her patients, leveraging her extensive background in cardiology, internal medicine, and post-acute care. Currently residing in Chandler, she is dedicated to enhancing the well-being of her community.
Theresa Jacobsen, MSN, FNP-C
Nurse Practitioner