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VA Salt Lake City Health Care System

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Leadership Team

Portrait of Joshua Pridgen, MHSA

Joshua Pridgen, MHSA | (801) 582-1565 Ext. 1212

Interim Medical Center Director

Josh Pridgen is serving as the Interim Medical Center Director for VA Salt Lake City Health Care System. Before coming to VASLCHCS, he was serving as the Associate Director of VA Eastern Colorado Health Care System. There he was responsible for the Business Office, Human Resources, Fiscal, Supply Chain Management, Community Care, Compliance and Privacy Programs. Mr. Pridgen previously held the positions of Assistant Director and Chief of the Business Office for Eastern Colorado Health Care System.

Prior to moving to Colorado, Mr. Pridgen worked in the Orlando VA Health Care System for seven years. He joined the Department of Veteran Affairs in 2008 as part of the VHA Technical Career Field Program within the Chief Business Office. Mr. Pridgen earned a Bachelor of Science from Valdosta State University in Georgia and a Master of Science in Health Services Administration from the University of Central Florida in Orlando. Mr. Pridgen enjoys the outdoors and takes advantage of the world class skiing, hiking, golf and camping of the Rockies.

Portrait of Shella Stovall, MNA, RN, NE-BC

Shella Stovall, MNA, RN, NE-BC |

Medical Center Director (Currently Serving as Interim Director for VISN 10)

Shella Stovall was appointed Medical Center Director, VA Salt Lake City Health Care System (VASLCHCS) on June 11, 2017. Prior to this assignment, Ms. Stovall served as Acting Director for VASLCHCS for 15 months. As Director, she is responsible for overseeing operations, clinical programs, and finances of the health care system which had an annual operating budget of $583 million and over 2,600 employees, a 128-bed health care system serving over 63,000 Veterans with nine Community Based Outpatient Clinics. Previously, Ms. Stovall served as Associate Director, Patient Care Services at VASLCHCS for 7 years, and has a total of 30 years of federal service.

Ms. Stovall began her VA career in 1984 at the VA Salt Lake City Health Care System where she was a staff nurse on the night shift. Her previous leadership roles include Nurse Manager, ACNS Ambulatory Care, Associate Director, Patient Care Services for VA Salt Lake City. In addition, she has had some unique volunteer experiences as a nurse for the American Red Cross during the 2002 Salt Lake City Olympics.

Ms. Stovall graduated with a Diploma in Nursing from Newman Hospital School of Nursing, Emporia, KS in 1984. After receiving her Bachelor’s Degree in Science of Nursing (BSN) at Westminster College, Salt Lake City, UT in 1989 she later received her Master’s Degree in Nursing Administration at the University of Phoenix in 1993. Her research interest is in moral courage in Senior Leaders.

Ms. Stovall is a member of the American Nurses Association (ANA), Nurses Organization of Veterans Affairs (NOVA), American College of Healthcare Executives (ACHE), and Sigma Theta Tau International Honor Society of Nursing, and American College of Healthcare Executives. She has attained American Nurses Credentialing Center (ANCC) certification in Nursing Administration. She is a graduate of the 2009 Executive Career Field Class. She holds a voluntary adjunct faculty appointment at the University of Utah.

Portrait of Angela D Williams, PharmD, MS, VHA-CM

Angela D Williams, PharmD, MS, VHA-CM | 801-582-1565x4608

Assistant Director

Dr. Williams joined VA Salt Lake City Health Care System in May 2019. She has extensive leadership experience in healthcare operations within VHA serving in such roles as Pharmacy Director, Acting Associate Director of Operations and Finance, Acting Assistant Director, Interim Chief of Environmental Management Service, Interim Chief of Human Resources, and most recently Site Manager at the Grand Island VA Medical Facility in Nebraska. Her long-standing and varied career within VHA demonstrates exceptional talent in leading change and building solid professional coalitions.

Dr. Williams graduated from Occidental College in Glendale, Calif. with a Bachelor of Science in Biology and Chemistry and then in 1988, graduated from Creighton University in Omaha, Nebraska with a Bachelor of Science in Pharmacy. She earned her Doctorate in Pharmacy from the University of Florida. Her education did not end there; Dr. Williams went on to receive a Master of Science in Healthcare Management and Operations from Nebraska Methodist University in Omaha, Nebraska. She is a member of the American College of Health Care Professionals and American College of Clinical Pharmacists.

Portrait of Warren E. Hill, MHA

Warren E. Hill, MHA | 801-582-1565 x1500

Associate Director

Warren brings to the VA Salt Lake City Health Care System over 23 years of progressive healthcare experience in the Veterans Health Administration and in the U.S. Navy. He began his VA career in 1992 and served in leadership roles from Service Chief to Medical Center Director serving Veterans.
Warren received a Masters of Health Administration (MHA) from Baylor University in Waco, Texas, through the U.S. Army-Baylor MHA program in 1998. In 1993, he received his Bachelor of Science in Health Care Administration from California State University-Long Beach. Warren is a U.S. Marine Corps Reserve and U.S. Navy Veteran. He is a member of the American College of Health Care Executives.

Portrait of Linda M. Pimenta, DNP, APRN, FNP-BC

Linda M. Pimenta, DNP, APRN, FNP-BC | 801-582-1565 x1219

Associate Director, Patient Care Services

Ms. Pimenta joined VA Salt Lake City Health Care System in November, 2017. Before coming to VASLCHCS, she worked at Manchester VA Medical Center. She held several positions during her decade at Manchester VAMC to include: Neurology and Surgery Nurse Practitioner; Occupational Health Program Coordinator and Provider; Associate Chief Nurse – Clinical Operations.

Ms. Pimenta earned an Associate Degree in Nursing from the New Hampshire Technical Institute in 1995. In 2003, she received her Bachelor's Degree in nursing from the University of New Hampshire, a Masters in Nursing, Family Practice Nurse Practitioner in 2005, and a Doctorate in Nursing Practice through Maryville University in 2014. Her doctorate research was on smoking cessation, with a research focus on addiction treatment. Dr. Pimenta was instrumental in minimizing exposure to second-hand smoke on the Manchester campus.

Her efforts also included making smoking cessation support available for employees and Veterans.

Portrait of Karen H. Gribbin, MD

Karen H. Gribbin, MD | 801-582-1565 x1505

Chief of Staff

Dr. Gribbin joined the VA Salt Lake City’s leadership team in January 2012. She spent the first 20 years of her VA career at the Jack C. Montgomery VAMC in Muskogee, OK, where she served as a Primary Care physician, Chief of Medicine, and Chief of Staff. She received her undergraduate degree in Medical Microbiology from Stanford University. She attended medical school at the University of Oklahoma and the Medical College of Ohio. She completed her Internal Medicine Residency at the University of Oklahoma. She is board certified in Internal Medicine and is a Fellow of the American College of Physicians. Dr. Gribbin is also a graduate of VHA’s Executive Career Field Candidate Development Program.

Dr. Gribbin is responsible for the medical care provided to our Veterans in Utah, eastern Nevada, and southeastern Idaho. The physician led services report to her, as well as Pharmacy and Audiology & Speech Pathology. She also oversees very vibrant Research and Education programs, consistent with VA’s mission.

Dr. Gribbin holds a faculty appointment as Assistant Professor of Medicine in the University of Utah’s School of Medicine and, also, serves as the Associate Dean for Veterans Affairs.