- Academic Medicine
- Medical Specialties
- Patient Resources
- About Us
Bruce Bethancourt, MD, FACP, is the Chief Medical Officer Dignity Health Medical Group. The CMO is responsible for the strategic leadership of medical operations; quality of care and service management; financial oversight; and promoting physician leadership and accountability, as well as a positive physician culture.Dr. Bruce Bethancourt served St. Vincent Medical Group as the key executive leader and champion for clinical effectiveness, quality and patient safety (2012 – 2014). Additionally, he played a key strategic role as part of the leadership team to provide medical leadership and accountability in clinical outcomes and performance, patient satisfaction, administrative/fiscal operations and strategic planning. Successes at SVHMG include development of the Transitions of Care Clinic, Remote Care Monitoring, Physician Leadership Cohort, Annual Primary Care Symposium and the SVH Clinical Excellence Committee.Dr. Bruce Bethancourt served in progressive roles as medical director, regional medical director and founding chief medical officer of Banner Medical Group, a multispecialty physician group of over 650 physicians, nurse practitioners and physician assistants (2007 – 2012). As chief medical officer, he had key responsibility for the development, implementation, measurement and improvement of all quality initiatives of Banner Medical Group.In addition to the leadership role at Banner Medical Group, he continued his practice of internal medicine at the Banner Phoenix Internal Medicine. His many community involvement commitments included past president of the Arizona Medical Association, Adjuvant Clinical Assistant Professor of Medicine, Midwestern Osteopathic School and Senior Clinical Lecturer at the University of Arizona. He has served on the inaugural AzHeC Board of Directors, Chair of Arizonans ’ for Access to Health Care, Chair of Arizonans Participating in Patient Safety Initiative (APIPS) and Chair of Phoenix HealthCare Value Measurement Initiative (PHVMI). Dr. Bethancourt received his medical degree, with honors, from the University of Arizona, College of Medicine- Tucson and completed his residency at the University of Arizona, AZ Health Sciences Center, where he also served as chief medical resident.
Dr. Sugimoto, MD, FACS is the Chief Academic Officer and the Designated Institutional Official for St. Joseph’s Hospital and Medical Center, Phoenix, Arizona, having accepted the position in November 2015. He moved from Creighton University, Creighton University School of Medicine, Omaha, Nebraska, where he was the Dr. and Mrs. Arnold Lempka Endowed Chair in Surgery, Professor and Chairman, Department of Surgery, Chief of Cardiothoracic and Vascular Surgery, and Director of the Center for Blood Conservation at the Creighton University Medical Center.Dr. Sugimoto received his M.D. degree from the University of Chicago, Pritzker School of Medicine, Chicago, Illinois in 1979. He completed his General Surgery Residency and Thoracic Surgery Fellowship at the University of Chicago Hospitals and Clinics between 1979 and 1986. He joined the Creighton University faculty in the Fall of 1986.In 1989 he was named Chief of Cardiothoracic Surgery and rose to the rank of Professor of Surgery by 2003. Since 1996 he served as the Medical Director of the Center for Blood Conservation at the Creighton University Medical Center. In 2008 he was named Chairman of the Department of Surgery and the Dr. and Mrs. Arnold Lempka Endowed Chair in Surgery, positions he held until his departure in November 2015.Dr. Sugimoto is board-certified in Thoracic Surgery and a Fellow of the American College of Surgeons, the American College of Cardiology, the American College of Chest Physicians, the American Heart Association, the Society of Thoracic Surgeons and a Founding member of the Society for Minimally Invasive Heart Surgery. His areas of expertise include adult cardiac surgery, adult thoracic and vascular surgery, minimally invasive cardiac surgery, complicated rhythm device management and blood conservation practices and principles. He has performed over 5,500 open heart operations and is the author of over 50 peer-reviewed abstracts, publications and book chapters. He was a Co-Investigator in a recently funded NIH study assessing vein graft stenosis, and most recently awarded the “Master Clinician Award” by the Creighton University School of Medicine 2015.
Eric Tomlon, FACHE, MBA, MSHA currently serves as the Chief Operating Officer for Dignity Health Medical Group in Phoenix, Arizona. He has 25 years of health administration experience in both hospitals and medical groups, 18 years of which as a VP or C-level executive.Eric obtained a Masters in Heath Administration as well as one in Business Administration from the University of Colorado at Denver. Additionally, he is a Fellow of the American College for Health Care Executives, and a member of the Medical Group Management Association. Eric’s areas of expertise include operational leadership, medical staff leadership and governance, human resources, strategic and operational planning, as well as physician/hospital alignment strategies. His career path has placed him in positions with a wide variety of organizations, including for-profit, not-for-profit, Children’s hospitals, Catholic, academic and independent health systems.With 8 years as a hospital operations VP, 1 year as a hospital CEO, and 12 years as medical group Chief Operating Officer, Eric has acquired multi-site, regional and national management experience. His experience includes time with Sun Health System, Dignity Health - AZ, Honor Health, Banner Health, University of Colorado Health System, Columbia/HCA, Hospital Sisters Health System and The Children’s Hospital in Denver, CO. Eric has served on various types of community organizations including the Regent’s Advisory Council for the Arizona and Colorado Chapter for the American College of Health Care Executives, Colorado Health Administration Alumni Association, Paradise Valley Community College Advisory Council, Rotary Club, Greater Phoenix Economic Council and other community organizations.
Mary Steigerwald, RN, MBA, BA has been with Dignity Health since 2009, where she currently serves as Director of Operations for DHMG. Under her leadership, Mary is responsible for leading DHMG ambulatory operations, including strategic planning efforts, financial management and revenue cycle, quality initiatives, PCMH, regulatory management, and process enhancements to support growth and customer service. Mary’s scope includes the Women’s Service Line (OBGYN, Maternal Fetal Medicine, Gynecologic Oncology, Pelvic Surgery Pain, Pediatric Adolescent Gynecology, MOMobile, Women’s Wellness program, and Fetal Cardiology), Pediatrics and Behavioral Health. Additionally, Mary is involved a variety of Dignity Health initiatives including Dignity Health Human trafficking taskforce, EMR implementation, and integration of behavioral health into primary care. During her 35+ year career, Mary held multiple executive leadership positions in Healthcare, Marketing and Academics. Mary’s passion is to provide a high quality care in a holistic environment where customers and staff are provided with dignity and respect. Mary is a registered nurse who also holds a Master’s in Business Administration and her Bachelor Degree in Healthcare Administration and Marketing.
Tammy Airola, RN, BSN, MHA - as Director of Ambulatory Care Services, has over 30 years of industry experience leading practice operations, strategic planning, business practice development, and value based delivery care. A professional with experience and expertise in project management and process improvement strategies. Tammy’s primary focus at Dignity Health Medical Group is partnering with physician leaders to obtain high functioning clinic operations within our academic and community practices. With the physician and management team, her primary goal is creating a patient centered medical home or team based care environment within our primary care clinics. She is committed to support the Dignity Health culture of Human Kindness while cultivating an environment of efficiency utilizing the patient experience as the focus. Tammy understands successful practice management requires expertise and effective communication strategies, along with the ability to seek innovative and creative solutions. As a nurse, Tammy believes health is primary to happiness and continues to feel privileged to serve in her capacity within healthcare.
Holly Downs, BS, is the Director of Operations for all acute care service lines within Dignity Health Medical Group. With over twenty years of experience in healthcare, Holly has held positions in all aspects of patient care, giving her a well-rounded knowledge of operations that she has brought to our team. Prior to accepting a position with Dignity Health, Holly spent time immersed in operations at the Vancouver Clinic in Washington State and worked as the Director of Operations at the Oregon Clinic in Portland over plastic surgery, thoracic surgery, otolaryngology, general surgery, and neurosurgery. Holly’s current oversight extends to our surgical specialties, plastic surgery, hospitalist, radiology, critical care, and orthopedic surgery teams of providers and staff. Since joining our team in 2018, Holly has utilized her vast experience in healthcare—in collaboration with our acute care physicians—to continuously elevate the patient experience. Holly’s role includes strategic planning, process enhancement, and financial stewardship, in order to achieve strategic and operational goals at DHMG – Arizona.
Debra Martell is a forward-thinking and results-oriented Healthcare Executive with extensive experience in health care leadership, strategic planning and business development. As the Director of Support Services, Debra brings over 20 years of industry experience to Dignity Health Medical Group. Debra has demonstrated talent in leading multifaceted and multidisciplinary project teams, focusing on organizational effectiveness through the implementation of relevant analytics and innovative care delivery models. She also possess additional skills in Lean Healthcare methodologies focused on quality deliverables and measurable results while providing leadership and implementing best-in-class processes. Debra’s primary focus at Dignity Health Medical Group is to utilize disciplined performance improvement efforts to streamline and optimize the functional areas of physician recruitment, contracting, marketing, project management, strategic planning and business development. Debra and her team work diligently to create standardization and improve performance objectives resulting in higher quality care for patients at Dignity Health Medical Group.
Jolene Pomeroy, RT CSSBB, MBA focuses primarily on optimizing care referrals, obtaining authorizations and ensuring eligibility verification, enhancing the ease of scheduling appointments, and supporting the various communication channels both telephone and digitally-based. She utilizes her 15+ years of educational and industry experience in healthcare operations management, process improvement as a Six Sigma Black Belt, and robust transformational care project management to continuously improve a patient’s ability to access care. Jolene recognizes that to support the delivery of world class patient care, it requires implementing bold, fresh ideas that includes optimizing technology and resources. She is grateful to be part of a medical group who strives to achieve quality excellence and keeping patients safe while providing them a supporting hand to help connect them to their next level of care needs.
Heather, PsyD, MC, RN, CCM is the Director of Nursing and Quality Assurance for Dignity Health Medical Group in Arizona. She is a passionate administrator who focuses on delivering high quality, cost effective patient care. During her undergrad, Heather worked as a night-shift certified nursing assistant on a busy surgical orthopedic unit. She then worked as a social worker for medically fragile infants and children with Child Protective Services and Gilbert Public Schools. Heather returned to healthcare with a joint venture partner of ours, where she was for 12 years. Heather is a Registered Nurse with Bachelor’s Degrees in Nursing and Sociology, holds a Master’s degree in Community Counseling and Social Work, a Doctorate in Psychology in a Healthcare Setting, and is currently completing her dissertation for her second Doctorate, this one in Business Administration in Healthcare Setting.
Michael Buza, MHA is from Chicago, IL, and received his Master of Healthcare Administration from Seton Hall University and his Bachelor of Science in Finance from Ball State University. Mr. Buza has 25 years of finance, operations, risk management, revenue cycle and relationship management experience, and has experience in financial roles at companies including GE Capital, Merrill Lynch, Bank of America, Comerica Bank, Fox Valley Women & Children’s Health Partners, as well as Valley Health System. Mr. Buza’s extensive experience during the course of his career has prepared him to serve as the Chief Financial Officer of Dignity Health Medical Group in Arizona. Prior to his current role, Mr. Buza held positions as the Director of Finance for Valley Health Medical Group—an IDS practice group—and Valley Regional Enterprises—an IDS Urgent Care and Transportation group in Northern Virginia—as well as the Senior Vice President of Fox Valley Women & Children’s Health Partners in the western suburbs of Chicago, Illinois. In his spare time, Mr. Buza—a former youth coach—enjoys spending time with his family, watching golf and other sports, creating custom sports art from reclaimed wood, and fueling his passion for health and fitness in the gym.
Lee Forth CPA, CGMA is the Director of Finance for Dignity Health Medical Group. With over thirty years of experience in finance and accounting, Lee oversees financial decision-making and serves as a financial and strategic thought partner to the executive administrative teams at DHMG. Lee focuses on ensuring the realization of quality and economical health care services at DHMG, while maintaining fiscal responsibility, and modeling a service-oriented culture focused largely on the patient experience. Prior to accepting a position as the Director of Finance at DHMG, Lee served as the Chief Financial Officer for Banner Medical Group in Phoenix, Arizona—West, the Chief Financial Officer for Osler Medical in Melbourne, FL, and the Director of Finance and Accounting at Florida Hospital Ormond Memorial in Ormond Beach, FL, in addition to other roles. Lee serves as an integral member of our administrative and finance teams, utilizing his diverse and extensive experience to elevate our overall performance at Dignity Health Medical Group – Arizona.
Robin Swenk as Director, Revenue Cycle has over 30 years of industry experience leading practice operations, managed care contracting, client management, and revenue cycle operations. She has a wealth of healthcare knowledge with deep expertise in driving accounts receivable management performance. Robin’s primary focus at Dignity Health Medical Group is on business office operations, process flow improvement, and system configuration. She’s steadfastly committed to cultivating an environment of efficiency at Dignity Health, where talented individuals can thrive and contribute. She understands successful revenue cycle management requires expertise and communication from top to bottom, along with a constant readiness to adapt to changes in the healthcare industry. Robin believes ALL people deserve the opportunity for a healthy, happy life and loves working in an industry that helps make that a reality.
Claudia Chambers, MD, FACOG is the Academic Chair for the Department of Obstetrics and Gynecology with Dignity Health Medical Group at St. Joseph’s Hospital and Medical Center. She is board certified in Obstetrics and Gynecology. Dr. Chambers’ practice involves general obstetrics and gynecology with special interests in minimally invasive surgery, cervical disorders, adolescent care and reproductive health. She is a member of the American Medical Association and the American College of Obstetrics and Gynecologists. In addition to her administrative and clinical responsibilities, she is an Assistant Professor at Creighton University School of Medicine and a Clinical Assistant Professor at the Department of Obstetrics and Gynecology at University of Arizona. Dr. Chambers received her medical degree from SUNY Upstate Medical University College of Medicine in New York. She completed her residency at Boston University after which she was Clinical Instructor at the University of Michigan.
Edward Paul, MD, FAAFP is the Academic Chair of the Department of Family Medicine with Dignity Health Medical Group. Dr. Paul also serves as a family medicine physician at St. Joseph’s Hospital and Medical Center and as teaching faculty for Creighton University School of Medicine. Dr. Paul is board-certified in family medicine by the American Board of Family Medicine. Dr. Paul is a physician board member with the Arizona Medical Board. He is also a member of the American Academy of Family Physicians, Arizona Academy of Family Physicians, American Medical Association, and Arizona Medical Association.Dr. Paul earned his Bachelor of Science in Biology and his Master of Science in Biology and Herpetology at Illinois State University in Normal, Illinois. He earned his Doctorate of Medicine at Southern Illinois University School of Medicine in Springfield, IL. Dr. Paul completed his internship and residency in family medicine at St. Joseph’s Hospital and Medical Center and completed a fellowship in in family and community medicine at the University of Arizona College of Medicine in Tucson, Arizona. Additionally, Dr. Paul completed clinical procedural training in Medical Acupuncture at the University of California Los Angeles School of Medicine in Los Angeles, California.
James Spivey, MD is the Robert Craig Chair of Internal Medicine for Dignity Health Medical Group. In addition to overseeing the entire Internal Medicine department, he is an Internist, Gastroenterologist, and Hepatologist, and provides services to our patients as a practicing physician within the DHMG Center for Liver Disease and Transplantation. Dr. Spivey’s expertise includes acute and chronic liver diseases, hepatobiliary malignancy and liver transplantation, and he is board certified in Internal Medicine, Gastroenterology and Transplant Hepatology. He is currently a member of the American Association for the study of Liver Disease, the American Gastroenterology Association and the American Transplant Society.Dr. Spivey received his medical degree from Tulane University. He completed his residency in Internal Medicine at Wake Forest Baptist Hospital in Winston-Salem, North Carolina, as well as one fellowship in Hepatology at the University of Miami, and one fellowship in gastroenterology at the Mayo Clinic in Rochester, MN.
Jason P. Caplan, MD, FAPA, FACLP is the Academic Chair of Psychiatry with Dignity Health Medical Group, at St. Joseph’s Hospital and Medical Center. Dr. Caplan is board certified by the American Board of Psychiatry and Neurology in Psychiatry and Consultation Liaison Psychiatry.Dr. Caplan’s expertise centers on the psychiatric care of the medically ill patient, particularly on the prevention and management of delirium. He has authored many journal articles and textbook chapters on various aspects of the practice of psychiatry in the medical hospital and serves on the editorial board of two major psychiatric journals. He is a member of the American Psychiatric Association, Association for Academic Psychiatry, Academy of Consultation Liaison Psychiatry, and the American Neuropsychiatric Association.Dr. Caplan received his medical degree from the Creighton University School of Medicine. He completed his residency in psychiatry at the Harvard Longwood Psychiatry Residency Training Program and fellowship in psychosomatic medicine/consultation psychiatry at the Massachusetts General Hospital.
Ronald Anthony Gagliano, Jr., MD, FASCRS, FACS, is the Academic Chair of Surgery with Dignity Health Medical Group. Dr. Gagliano also serves as the Chief Medical Officer at the University of Arizona Cancer Center at Dignity Health’s St. Joseph’s Hospital and Medical Center, and a colon and rectal surgeon at St. Joseph’s Hospital and Medical Center in Phoenix, AZ.Dr. Gagliano is board certified by the American Board of Colon and Rectal Surgery and the American Board of Surgery; his expertise includes the diagnosis and surgical treatment of diseases of the small intestine, colon, rectum and anus. He is a Fellow of the American Society of Colon and Rectal Surgeons and American College of Surgeons, and a delegate to the American Medical Association. Dr. Gagliano received his medical degree from Tulane University School of Medicine in New Orleans. He completed residencies in Surgery at Madigan Army Medical Center, and in colon and rectal surgery at the University of Minnesota. He has over 15 years experience as a surgical educator and is a former surgical residency program director. His passion is excellent and compassionate surgical care.
Lilia Parra-Roide, MD, FAAP is the Academic Chair of Pediatrics. Her expertise involves well and sick patient care, care of children with special health care needs, and asthma. She is a member of the American Academy of Pediatrics, Academic Pediatric Association, Arizona Asthma Coalition and the American Medical Association, and is board certified in Pediatrics. Dr. Parra-Roide received her medical degree from the Stanford University School of Medicine. She completed her internship and residency in Pediatrics at St. Joseph’s. She then completed additional training in Healthcare Research Design and Teaching.
Ralph Drosten, MD, is the Academic Chair of Radiology with Dignity Health Medical Group at St. Joseph’s Hospital and Medical Center. In complement to his administrative duties, Dr. Drosten works as a faculty physician whose expertise includes thoracic and cancer imaging. He is a member of the Society of Thoracic Radiology and the Radiological Society of North America. Dr. Drosten received his medical degree from the University of the Witwatersrand in South Africa, where he also completed his radiology residency. He then completed two fellowships in thoracic, oncologic, and PET imaging at Harvard Medical School, the Dana- Farber Cancer Institute and the Brigham and Women’s Hospital.