Provider Directory
Each provider brings specialized expertise in Physical Medicine & Rehabilitation, working collaboratively with SNF teams to optimize patient outcomes.
Joseph Wong, MD, MBA
Medical DirectorDr. Joseph Wong earned his undergraduate degree at the University of Pennsylvania, his MD from Case Western Reserve University, and completed his PM&R residency at Stanford University. He holds board certifications in both Physical Medicine & Rehabilitation and Electrodiagnostic Medicine. He specializes in functional restoration and neuromuscular diagnostics in the skilled nursing facility setting, with a focus on improving patient outcomes, reducing readmissions, and supporting therapy teams through expert physiatry consultation.
Bruno Subbarao, DO
PM&R PhysicianDr. Bruno Subbarao is a Physical Medicine & Rehabilitation physician who brings a unique systems-thinking approach to patient care. He completed his undergraduate studies at New York University and earned his medical degree from Lake Erie College of Osteopathic Medicine in Bradenton. A passionate guitarist and musician, Dr. Subbarao enjoys traveling, bouldering, and filmmaking — interests that fuel his creative problem-solving in clinical settings. He is particularly drawn to PM&R because it demands coordination across specialties, integration of therapies, and a sharp focus on measurable functional outcomes. Dr. Subbarao believes the highest level of patient care emerges when clinical excellence is paired with operational excellence.
Tiffany Calloway Starks, MD
PM&R PhysicianDr. Tiffany Starks is a board-certified physician specializing in Physical Medicine and Rehabilitation. She earned her undergraduate degree from Spelman College and her medical degree from The Ohio State University College of Medicine and Public Health. She completed her residency training at the University of Pittsburgh Medical Center Physical Medicine and Rehabilitation Residency Program. Dr. Starks is deeply committed to the power of human connection in medicine. She believes that "half of life is showing up," and she chose the field of medicine because of her genuine appreciation for meaningful patient relationships and her lifelong fascination with human physiology. Outside of medicine, Dr. Starks finds joy and balance through her family life with her husband and two daughters. Her personal passions include traveling, reading, scuba diving, hiking, and attending concerts and sporting events.
Michael Iyamu, DO
PM&R PhysicianDr. Michael Iyamu is a dedicated physiatrist committed to helping patients regain their physical function and independence following injury or illness. He earned his undergraduate degree from Prairie View A&M University, his medical degree from Philadelphia College of Osteopathic Medicine, and completed his postgraduate training at Nova Southeastern University / Larkin Community Hospital. Outside of medicine, he enjoys fitness, hiking, traveling, playing music, and volunteering with special needs children at his church. He also cherishes spending time with his family.
Geoff Ibe, FNP-BC
Lead Nurse PractitionerGeoff Ibe is a dedicated Family Nurse Practitioner serving as Lead Nurse Practitioner at AZ Rehab Consultants. With extensive clinical experience in primary care, emergency medicine, and rehabilitation, he provides compassionate, high-quality patient care while actively mentoring and developing other nurse practitioners in the practice. He earned his Bachelor of Science from Arizona State University, his Bachelor of Science in Nursing from Brookline College, and his Master of Science in Nursing from the University of Phoenix. A proud father of two daughters, Geoff prioritizes family, staying active, and leading by example. He is committed to clinical excellence and mentoring the next generation of healthcare providers.
Alexandria Mahoney, MSN, APRN, FNP-C
Nurse PractitionerAlexandria Mahoney earned her Master of Science in Nursing as a Family Nurse Practitioner from Northern Arizona University, her Bachelor of Science in Nursing from Grand Canyon University, and her Bachelor of Arts in Psychology from the University of Arizona. She has completed advanced training through the Institute for Functional Medicine. She previously practiced in functional medicine in Scottsdale and served as a Registered Nurse at HonorHealth Shea Medical Center for over 11 years. Alexandria specializes in holistic, root-cause care in the PM&R and skilled nursing facility setting, with a focus on restoring function and improving quality of life for medically complex patients. An Arizona native and proud mother of two girls, she enjoys an active lifestyle including the gym, hiking, and traveling.
Angel Madolid Johnson, DNP, ANP-BC
Nurse PractitionerDr. Angel Madolid Johnson is a dedicated Doctor of Nursing Practice and board-certified Adult Nurse Practitioner with extensive experience in patient-centered care. She earned her Bachelor of Science in Nursing from Arizona State University in Phoenix, Arizona, followed by both her Master of Science in Nursing and Doctor of Nursing Practice from the University of St. Francis in Joliet, Illinois. She completed additional training in adult and geriatric care at Phoenix VA Medical Center and Banner Sun Health Research Institute. Dr. Johnson is passionate about combining the science of medicine with the compassionate art of nursing. Her philosophy is rooted in the belief that nurses are uniquely positioned to support patients during their most challenging moments. As a Nurse Practitioner, she is committed to advocating for her patients, educating families, and empowering communities through high-quality, evidence-based care. She is also dedicated to mentoring and sharing her knowledge with the next generation of healthcare professionals. Outside of her clinical practice, Dr. Johnson enjoys karate, reading, dancing, and spending time at the beach.
Gloria Obaigwa, DNP, AGNP
Nurse PractitionerDr. Gloria Obaigwa is a dedicated Adult-Gerontology Nurse Practitioner with a strong commitment to providing compassionate, culturally competent care to underserved communities. She earned her Bachelor of Science in Nursing from Grand Canyon University, followed by both her Master of Science in Nursing and Doctor of Nursing Practice from the University of South Alabama. Drawing from her own background growing up in an immigrant household, Dr. Obaigwa brings a deep understanding of the unique challenges faced by diverse and underserved populations. This personal insight fuels her passion for advocacy and building meaningful connections with patients from all walks of life. In addition to her clinical expertise, Dr. Obaigwa values work-life balance and cherishes quality time with her two daughters. She enjoys exploring new cuisines together and sharing the timeless charm of classic movies.
Katie Rambo, AGACNP-DNP, BSN
Nurse PractitionerKatie Rambo earned her Doctor of Nursing Practice in Adult-Gerontology Acute Care Nurse Practitioner from the University of Arizona. She was inspired by her grandmother, who was a nurse, to pursue a career in nursing and advance to become a nurse practitioner. She specializes in acute care and post-acute rehabilitation in the skilled nursing facility setting, with a focus on managing complex medical conditions, supporting recovery, and improving patient outcomes. When not seeing patients, Katie enjoys working out, hiking with her dogs, playing pickleball, and traveling. She cherishes spending time with her husband and son.
Ran Hong, FNP-BC
Nurse PractitionerRan Hong is a dedicated Family Nurse Practitioner specializing in post-acute care. She earned her Bachelor of Science in Nursing from Northern Arizona University and completed her Family Nurse Practitioner program at the University of Phoenix. She chose a career in healthcare out of a deep desire to make a positive impact in people's lives and to support patients in achieving better health through personalized, attentive care. She values building strong, trusting relationships and empowering her patients to take an active role in their well-being. Outside of work, Ran enjoys spending quality time with her family, reading, discovering new restaurants, and traveling.
Samantha Conroy, MSN, FNP-BC
Nurse PractitionerSamantha Conroy is a board-certified Family Nurse Practitioner with over a decade of experience in nursing and advanced practice. She earned her Associate Degree in Nursing from Cochise College, her Bachelor of Science in Nursing from Grand Canyon University, and her Master of Science in Nursing as a Family Nurse Practitioner from Walden University. With a lifelong passion for nursing, Samantha is dedicated to delivering compassionate, high-quality care to her patients. She brings extensive clinical experience and a strong commitment to patient-centered practice in her role as a Family Nurse Practitioner.
Thomas James Hooker, MSN, FNP-C
Nurse PractitionerThomas James Hooker earned his Master of Science in Nursing as a Family Nurse Practitioner from Grand Canyon University in 2025 and his Bachelor of Science in Nursing from Arizona State University. He brings clinical experience from the Emergency Department and Cardiac Telemetry Unit, as well as hospice care. Thomas specializes in post-acute rehabilitation in the skilled nursing facility and rehab setting, with a strong emphasis on lifestyle modifications, daily exercise tailored to patients' abilities, and helping patients return to their prior baseline with improved quality of life. A proud father of two boys, he enjoys pickleball, soccer, swimming, hiking, biking, and playing Nintendo games with his family.
Todd Walton, FNP-C, MSN
Nurse PractitionerTodd Walton is a dedicated Family Nurse Practitioner with a strong commitment to delivering compassionate, patient-centered care across all stages of life. He earned both his Bachelor of Science in Nursing and his Master of Science in Nursing with a Family Nurse Practitioner focus from Grand Canyon University. Todd specializes in post-acute care in the skilled nursing facility setting, building meaningful relationships with his patients and supporting their overall health and well-being through personalized, holistic care. Beyond his clinical practice, Todd enjoys spending quality time with his wife and four children. An avid outdoorsman, he loves camping, hunting, scuba diving, and exploring nature. He is also a loyal Phoenix Suns fan.