Featured Multi-Specialty Investigators

As one of the country’s largest operators of medical groups and physician networks, HealthCare Partners (HCP), a DaVita Medical Group, provides comprehensive care across six states including  over 14,000 providers nationwide caring for more than 800,000 members in multispecialty clinics, urgent care centers, infusion and outpatient surgery centers, and over 100 affiliate hospitals.  For your next clinical trial, contact us to discuss how you can benefit from DaVita Clinical Research: our data-driven process for establishing trial design, trial feasibility, trial execution and these leading investigator physicians.


grover-mckay_maleah1Maleah Grover-McKay, MD

HCP: Long Beach, CA

Dr. Grover-Mckay is board certified in internal medicine, cardiology, and nuclear medicine. She works for HealthCare Partners in Long Beach, CA. In addition to over 15 years of clinical trial experience, she has authored more than 100 publications, chapters, and abstracts, while also delivering over 100 presentations on an international, national, and local level. Dr. Grover-Mckay completed her MD at the Stanford University School of Medicine, her cardiology training at UCSF School of Medicine and UC San Diego School of Medicine, and her nuclear medicine training at the David Geffen School of Medicine at UCLA.


mizutani_wesley1Wesley Tyra Mizutani, MD, MBA

HCP: Huntington Beach, CA

Dr. Mizutani currently serves as the Chairman of the Department of Rheumatology for Healthcare Partners Coastal Region. Dr. Mizutani has more than 10 years of clinical research trial experience and has been serving as a principal investigator for more than 60 trials in Rheumatic related diseases. Dr. Mizutani received his MD from David Geffen School of Medicine at UCLA with residency at USC Medical Center and rheumatology fellowship at the University of California, San Diego. Dr. Mizutani currently serves at the Lead Principal Investigator for Healthcare Partners of California. Dr. Mizutani also serves as a member of the Board of Directors for the Arthritis Foundation in the Pacific region.


soderlund_clark1Clark Torsten Soderlund, MD

HCP: Torrance, CA

Dr. Soderlund currently serves as the Lead Physician for Specialty and Internal Medicine as well as the Director of the Comprehensive Care Center for HealthCare Partners of Torrance, CA. Dr. Soderlund has been the principle investigator on 20 clinical trials across various therapeutic areas including respiratory disease, migraine, and psoriasis. Dr. Soderlund received his MD from Geisel School of Medicine at Dartmouth.


narula-dhiraj1Dhiraj Narula, MD, FACC

HCP: Las Vegas, NV

Dr. Narula specializes in cardiac electrophysiology for HealthCare Partners in Las Vegas, NV. Dr. Narula has experience in over 10 clinical trials as a principal or sub-investigator, while also having authored over 90 peer-reviewed publications and abstracts in the cardiology field. Dr. Narula received his MD from Seth G.S. Medical College at the University of Bombay with further training at King Edward VII Memorial Hospital.


navratil-david1David Navratil, MD, FACC, FACP

HCP: Las Vegas, NV

Dr. Navratil specializes in cardiology for HealthCare Partners while also currently serving as the Director of Electrophysiology Lab at St. Rose Siena Hospital in Henderson, NV. Dr Navratil has served as the principal and sub investigator for 15+ clinical trials and has authored over 15 publications and abstracts related to the field of cardiology. Dr. Navratil received his MD at the University Of Wisconsin School Of Medicine in Madison, WI. He has been honored as a “Best Doctor in America” numerous times and once again in 2016 was named a “Best Doctor” by the Desert Companion.


wu-tim1Xiantuo Wu, MD, PhD

HCP: Las Vegas, NV

Dr. Wu currently specializes in oncology and hematology at HealthCare Partners in Las Vegas, NV. Dr. Wu has authored over 14 publications in the oncology field over a 15 year period of experience. Dr. Wu received his MD from Anhui Medical College and his Doctoral of Medical Science in Hematology from Shanghai Medical University while garnering further training at the Rutgers Cancer Institute of New Jersey.


garscaddengraeme_jan1651Alan Graeme Garscadden, MD

HCP: Colorado Springs, CO

Dr. Garscadden currently serves as a Principal Investigator for HealthCare Partners in Colorado Springs, CO as well as a pediatrician for HealthCare Partners. Throughout Dr. Garscadden’s research experience he has been the principal investigator for over 15 clinical trials focusing on pediatrics and vaccines. Dr. Garscadden received his MD from the Uniformed Services University of the Health Sciences in Bethesda, MD.


nevarezmax_med1Max Acosta Nevarez, MD

HCP: Colorado Springs, CO

Dr. Nevarez currently serves as a Sub-Investigator for HealthCare Partners in Colorado Springs, CO as well as a family practice physician for HealthCare Partners. Throughout Dr. Nevarez’s research experience he has been involved with over 20 clinical trials as either the principal investigator or the sub-investigator. Dr. Nevarez received his MD from the University Of New Mexico School of Medicine while receiving further training at the University of Arizona Health Sciences Center. He is also bilingual and fluent in Spanish.


uusinarkauskari_jan16231Kari Uusinarkaus, MD

HCP: Colorado Springs, CO

Dr. Uusinarkaus specializes in clinical hypertension and lipidology. He currently serves as a Medial Director at HealthCare Partners in Colorado Springs, CO. During the last 5 years Dr. Uusinarkaus has served as an investigator in over 48 clinical trials in various therapeutic areas. Dr. Uusinarkaus received his MD from the Loma Linda University School of Medicine in Loma Linda, CA while receiving further training in family medicine at the University of Cincinnati. Dr. Uusinarkaus also currently serves as the president of the Southwest Lipid Association.


solano1Royce Solano, MD, FACP

HCP: Colorado Springs, CO

Dr. Solano specializes in internal medicine and nuclear medicine for HealthCare Partners in Colorado Springs, CO where he serves as a Medical Director. He has over 6 years of experience as a principal investigator in clinical trials. During the last 5 years, Dr. Solano has been involved with 25+ clinical trials in various therapeutic areas. Dr. Solano received his MD from the Medical College of Wisconsin in Milwaukee, WI with further training at Tripler Army Medical Center and Fitzsimons Army Medical Center.