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Chief Medical Officer

Jonathan Manwaring, DO

Dr. Manwaring joined the medical staff of Gila Health Resources as Chief Medical Officer in July 2017. He is Board Certified in Family Medicine and practices Occupational Medicine and Urgent Care Medicine as well. He received his bachelor's degree from Idaho State University, his medical degree from Midwestern University, and went on to complete his Residency in Family Medicine at Phoenix Baptist Hospital in 2010. He most recently practiced as a Family Physician with Mountain Park Health Center, as an Occupational Medicine provider with MBI Industrial Medicine, and as an Urgent Care provider with UCR Urgent Care – all in the Greater Phoenix area.  He was born and raised in Idaho, is married and has five children.  He splits his time between Morenci and Mesa, Arizona. He, his wife, and family all enjoy traveling, sports, and spending time doing community activities. He is an active member of GHR’s medical staff, seeing patients in Urgent Care, Family Medicine, and Occupational Medicine.

Medical Director – Family Medicine

Naomi Clancy, MD

Dr. Clancy is a member of GHR’s Family Medicine and Urgent Care medical staff and serves as Associate Medical Director for Family Medicine. She is Board Certified in Family Medicine and holds current certifications in Advanced Trauma Life Support, Advanced Cardiac Life Support, and Advanced Pediatric Life Support.  She received her Fellowship from the American Board of Family Physicians in 2015.  Dr. Clancy received her medical degree from the University of New Mexico, graduating magna cum laude. She completed residency training at the Providence St. Peter Family Practice Residency Program in Olympia, Washington where she focused on rural health and obstetrical care and went on to receive the program’s Family-Centered Maternity Care Award upon graduation. Dr. Clancy practiced Family Medicine in Socorro, New Mexico, and most recently in Silver City, New Mexico, before relocating to Morenci. She is a Clinical Assistant Professor in the Department of Family, Community, and Preventive Medicine at the University of Arizona College of Medicine-Phoenix, and is the Chair of the American Academy of Family Physicians Rural Health Member Interest Group.  Dr. Clancy, her husband, and their three children enjoy gardening, hiking, camping, and keeping up with their many farm animals.

Associate Medical Director-Urgent Care and Emergency Medical Services

Jason Christensen, DO

Dr. Christensen is a board-certified physician in Emergency Medicine.  He received his bachelor’s degree from Weber State, his medical degree at Kirksville College of Osteopathic Medicine, and completed his residency at Darnall Army Community Hospital, where he served as chief resident.  He served as a physician in the Army and was deployed to Iraq in 2006.  He has worked as an attending emergency medicine physician at Chandler Regional Hospital and Mercy Gilbert Hospital since 2007 and has also served as Chief of the Emergency Department in both of those hospitals.  He has been published multiple times in the Emergency Medicine specialty and continues to participate in ongoing research activities.  Dr. Christensen brings a unique combination of excellent clinical skills, a broad medical leadership experience, and an easy-going, patient-centered bedside manner.

Chief Quality Officer, Senior Occupational Medicine Clinician

Amanda Gray, PA-C

Amanda Gray, PA-C, is a licensed, certified Physician Assistant. She is a full-time member of the Gila Health Resources Occupational Medicine staff and also sees patients in Urgent Care and Family Medicine. Amanda also serves as Clinical Quality Manager and is Quality Assurance Manager for GHR’s multiple Occupational Medicine Clinics. Amanda earned her Master of Medical Science degree as a Physician Assistant with Honors from Nova Southeastern University in Ft. Lauderdale, Florida in August 2008. She went on to join the medical staff of the Bradenton Heart Center in Bradenton, Florida, before relocating to Silver City, New Mexico to join the staff at Hidalgo Medical Services Community Health Center in 2009. She joined Gila Health Resources in June 2013. Prior to beginning her formal education and career as a Physician Assistant, Amanda served with the United States Army where she worked as a Medical and Clinical Lab Technician from 1998 to 2001, and with WAKO Chemicals, St. Luke’s Hospital, and Allen Memorial Hospital in Iowa from 2002 to 2004, before becoming a Research Assistant with Diamedix Corporation in 2005.

Kaji Sherpa, MD

Dr. Sherpa is the longest-serving member of GHR’s 24-Hour Urgent Care Medicine Department. He is also GHR’s Associate Medical Director for Urgent Care and Emergency Medicine Services. He received his medical degree from the Berhampur University M.K.C.G. Medical College in Orissa, India, in 1982, and completed a Fellowship and Post-Doctoral Research training at the University of Pennsylvania School of Medicine in Philadelphia from 1987 to 1989, and Residency training at the University of North Dakota from 1992 to 1995. Dr. Sherpa has worked more than 35,000 hours as an Emergency Room physician at a number of larger high-volume and smaller rural hospitals throughout Arizona since 1993. Dr. Sherpa is Board Certified in Family Medicine.

Daniel Regoso, MD

Dr. Regoso was the first physician to join the medical staff of Gila Health Resources’ Family Medicine Department in Morenci in 2005. He is now a full-time member of GHR’s 24-hour Urgent Care Department medical staff in Morenci. Dr. Regoso completed residency training in Family Practice at Trinity Lutheran Hospital in Kansas City, Missouri, and McKeesport Hospital near Pittsburgh, Pennsylvania in 1994. He served as an emergency room physician at Pulaski Memorial Hospital in Winamac, Indiana, and as a Family Practitioner at the Francesville Family Medical Center in Francesville, Indiana from 1994 to 1997. Dr. Regoso was a member of the medical staff at the Talbert Medical Group (now known as the Carondelet Health Network) in Green Valley, Arizona in 1997 and 1998, prior to joining Gila Health Resources in Morenci in 2005. He is a fellow of the American Academy of Family Physicians and has been Board Certified in Family Practice since 1994.

Michael Johnson, MD

Dr. Johnson is a member of the GHR’s Family Medicine, Urgent Care, and Occupational Medicine medical staff, and serves as Associate Medical Director for Occupational Medicine. He received his medical degree from the University of South Dakota, in Vermillion, S.D. in 1999, and went on to complete an Internship in Internal Medicine, Emergency Medicine and Pediatrics at the University of New Mexico in 1999 and 2000, followed by Residency training in Family Practice, including electives in International Medicine, Obstetrics and Emergency Medicine, at Memorial Medical Center in Las Cruces, New Mexico from 2000 to 2002. He was employed by Hidalgo Medical Services as a Family Physician in Lordsburg, New Mexico from August 2002 until March 2012 when he joined the medical staff in GHR’s Family Medicine Department in Morenci. He is Board Certified in Family Practice.

Charles Kertay, MD

Dr. Kertay joined the medical staff of GHR’s Family Medicine and Urgent Care Medicine Departments in 2004. He obtained his medical degree from the University of Maryland Medical School in 1985 and completed an Internship and Residency in Family Practice at the Mid-Hudson Family Health Services Institute in Kingston, N.Y. from 1985 to 1988. He first became Board Certified in Family Medicine in 1989. Dr. Kertay was a member of the medical staff at the Portsmouth Naval Hospital in Portsmouth, Virginia from 1989 to 1990, and the Kirk Army Hospital in Aberdeen, Maryland from 1990 to 1992. He was in private practice as a Family Physician in Baltimore, Md. From 1990 to 1992, and then served on the medical staff of the Mountain Medical Group Immediate Care Center in Bend, Oregon, until he relocated to Arizona shortly before joining GHR in 2004.

Jeffery Beeley, MD

Dr. Beeley joined our Urgent Care Department medical staff in Morenci in January 2018. A Magna Cum Laude graduate of Wichita State University, Dr. Beeley received his medical degree from the University of Arizona College of Medicine in May 1994. He went on to complete advanced medical training through the Tucson Hospitals Medical Education Program in 1995. Dr. Beeley is Board Certified In Urgent Care Medicine, Medical Acupuncture, and Holistic Medicine, and holds certifications in Advanced Trauma Life Support, Advanced Cardiac Life Support, and Pediatric Advanced Life Support. In addition to Gila Health Resources and Mt. Graham Regional Medical Center, he is affiliated with the University of Arizona Program in Integrative Medicine as a Clinical Lecturer, and the Michigan State University College of Osteopathic Medicine, as an Assistant Clinical Professor. Prior to joining GHR on a full-time basis in January 2018, Dr. Beeley was a full-time member of the Emergency Department Medical Staff at Mt. Graham Regional Medical Center since 2006 and provided Emergency Medicine coverage on a PRN basis at Northern Cochise Community Hospital, Copper Queen Hospital, and Douglas Hospital.

Neva Corbell, FNP

Neva Corbell, FNP, is a full-time member of the Occupational Medicine Department medical staff in Morenci, where she was born and raised.  A Certified Family Nurse Practitioner, Neva returned to Morenci to accept a full-time position in the Family Medicine Department at Gila Health Resources in November 2017, and moved on to join the Occupational Medicine Department in 2019.  As a Nurse Practitioner, Neva is a licensed medical provider who is trained and qualified to provide general and preventive medical care, conduct patient check-ups, treat illnesses, order lab tests, and prescribe medication for both adults and children.  A Nurse Practitioner’s scope of practice is similar to that of a Physician Assistant, except they are also qualified to work without the supervision of a licensed physician.  Neva’s first affiliation with Gila Health Resources was as a Summer Intern as a senior at Morenci High School.  After receiving her Bachelors degree in Nursing from Grand Canyon University, she completed clinical rotations in adult health, pediatric and adolescent medicine, women’s health, and geriatric medicine, at various medical facilities throughout Arizona.  She received her Master of Science (Family Nurse Practitioner) degree from Grand Canyon University, in Phoenix, in 2015.  Prior to joining GHR, she was a full-time medical provider at Pulmonary Associates of Southern Arizona, in Tucson.  Neva still has family in Morenci, and is married to Chad Corbell.  They have four children - Hollis, Peyton, Harlie, and Arcel.  Her interests include nutrition, fitness, and family activities, and the entire family enjoys riding horses. 

Dorothy Dare, PA-C, BSN

Dorothy Dare is a licensed, certified Physician’s Assistant, and a member of Gila Health Resources’ Family Medicine Department and Urgent Care medical staff in Morenci. She received an Associate of Applied Science (Physician’s Assistant) Degree in 1986 from Cuyahoga Community College in Parma, Ohio, and a Bachelor of Science Nursing Degree from New York Regents College, in New York, N.Y. in 1993. Dorothy practiced as a Physician Assistant at the Oroville Family Health Clinic in Oroville, California from 1986 to 1991, at the Urgent Medical Clinic/Chico Industrial Clinic in Chico, California from 1991 to 1994, at Med Square Clinic in Silver City, New Mexico, from 1995 to 1999, and at Silver Internal Medicine in Silver City, from 1999 to 2007, prior to joining Gila Health Resources. As a member of the Family Medicine medical staff at Gila Health Resources, Dorothy’s responsibilities include diagnostic evaluation and treatment, healthcare maintenance, women’s healthcare from puberty to menopause, family planning, evaluation of laboratory and s-Ray studies, minor surgery, patient education for pediatric and adult patients regarding wellness, prevention of illness, injuries and disease management.

Deepa Saha, FNP

Deepa J Saha, FNP-C, a Certified Family Nurse Practitioner, is the newest addition to our Family Medicine Department medical staff in Morenci. A 2012 graduate of the Family Nurse Practitioner Program at Grand Canyon University, Deepa has a reputation as an experienced and caring medical provider, with strong analytical skills, and the ability to properly assess medical conditions and implement appropriate intervention. She attributes this not only to the quality of her education and training but to the importance she places on communicating with her patients and their family members in a calm and compassionate manner. She also credits her previous background as a Registered Nurse with her ability to relate well to patients, family members, and people from a variety of cultures and ethnicities. Deepa has worked as a medical provider in Urgent Care and Endocrinology at Banner University Hospital, and at East Valley Family Medicine. Prior to that, she was a member of the medical staff at the Hatfield Family Medicine, and at the District Medical Group – all in the Greater Phoenix area. Her experience includes managing acute and chronic conditions, including diabetes, hypertension, migraines, Coumadin management, and a variety of other illnesses and disease systems in adults, seniors, adolescents, and children. She also conducts PAPs, Well Exams, and minor in-office procedures. She has taught Family Nurse Practitioner students, as an adjunct professor at Grand Canyon University, and she enjoys participating in community outreach programs.

David Buhler, PA-C

David Buhler, PA-C, is a licensed, certified, Physician Assistant at Gila Health Resources’ Occupational Medicine Clinic at the Freeport McMoRan, Inc. copper mine and smelter in Miami, Arizona. He has been employed by GHR since April, 2018. David is a 2017 graduate of the Rocky Mountain University of Health Professions in Provo, Utah, where he completed his Physician Assistant education and training, after earning a Bachelors of Science undergraduate degree from Utah State University in 2013. Prior to joining Gila Health Resources, David did volunteer work – first as a Hospice Volunteer with Certified Nursing Services in Logan Utah, and later as a Physician Assistant student volunteer at the Volunteer Care Clinic in Provo, Utah in 2016, where he provided health care services to underserved, under-insured patients under the direction of a supervising physician. Following his time with the Volunteer Care Clinic, he was employed in Interventional Radiology with Utah Imaging Associates in Salt Lake City, Utah, in 2017. David’s certifications include the American Heart Association, the Utah Academy of Physician Assistants, and the Idaho Academy of Physician Assistants. In addition to his work as a licensed Physician Assistant, David has also worked as a Patient Care Technician at the Intermountain Medical Center in Murray, Utah, and as a Behavioral Health Technician with Catalyst Residential Treatment Center in Brigham City, Utah. He completed several weeks of internal Occupational Medicine Physician Assistant training under the direction of GHR’s Chief Medical Officer – Jonathan Manwaring, D.O., and Clinical Quality Manager – Amanda Gray, PA-C, in Morenci, AZ, prior to moving in to his full-time position as Occupational Medicine PA at Freeport McMoRan, Inc’s Occupational Health Center in Miami, AZ in June of 2018.

Todd Woodward, PA-C

Todd Woodward, PA-C, is a member of Gila Health Resources’ Occupational Medicine Department medical staff, dividing his time between GHR’s Morenci, Miami and Sahuarita, Arizona locations. Todd received his Masters of Physician Assistant Studies degree from Idaho State University in Meridian, Idaho in 2015. He also has a Bachelor of Science degree in Psychology from Weber State University, graduating Magna Cum Laude, in June 1995. Prior to joining GHR, Todd served as a licensed, certified Physician Assistant Hospitalist at Saint Alphonsus Medical Center, and with Apogee Physicians, in Scottsdale, Arizona, and with the Idaho Center for Regenerative Medicine in Eagle, Idaho. He also served as a Mental Health Specialist with Alliance Family Services in Twin Falls, Idaho. Todd is a member of the American Academy of Physician Assistants, the American Academy of Anti-Aging Medicine, and the Idaho Academy of Physician Assistants. He completed several weeks of Occupational Medicine training under the direction of GHR’s Chief Medical Officer – Jonathan Manwaring, D.O., and Clinical Quality Assurance Manager – Amanda Gray, PA-C, in Morenci, Arizona, immediately after accepting full-time employment as a member of Gila Health Resources’ Occupational Medicine medical staff in June 2018.

Armando Torres, PA

Armando Torres, PA, is a Physician Assistant at our Freeport McMoRan – Sierrita occupational medicine clinic, located in Sahuarita, Arizona, south of Tucson. Armando has more than 18 years of occupational medicine experience – most of it with MBI Occupational Health Care, in Tucson – where he worked for 17 years before joining Gila Health Resources in April 2018. Armando earned his Bachelor of Science Degree to become a Physician Assistant, through California State University in 1995. He went on to work as a PA at Bayside Medical Center and for Northrup Grumman Aviation in Hawthorne, California from 1995 to 2000, at MedCare Medical Group in the City of Industry, California from 1997 to 2001, and with MBI in Tucson, Arizona until March 2018. Armando’s experience as a PA includes a wide variety of pre-placement, periodic and other employment-related physical exams, initial and follow-up medical care for personal and work-related injuries, and assisting with surgical care.

Debbie Bonney, PA-C

Debbie Bonney is a licensed, Certified Physician Assistant (PA) with more than 14 years of experience in a variety of health care settings. Debbie joined Gila Health Resources in June 2019 as a PA at our Silver City, New Mexico Occupational Medicine clinic. She began her career in health care as a Certified Nursing Assistant in 1984 and worked as a Chemist, Supervisor and Environmental Scientist in both Florida and Michigan until 1992. She worked as an EMT in 2002, earned a Bachelor of Science degree in Chemistry from Grand Valley State University in Allendale, Michigan, and then went on to attend and graduate from the Physician Assistant program at the University of South Dakota in 2005. She has held positions as a licensed, Certified PA with the VA Health Care System in Hot Springs, South Dakota, the U.S. Public Health Service in Los Fresnos, Texas, Allergy & ENT Associates in Houston, Texas, the McKenna Allergy and Asthma Clinic in Harlingen, Texas, and most recently with Brighter Day Health Meditelecare in Houston, Texas. Debbie’s training and experience include acute care and follow-up care, and the treatment and management of chronic disorders in both children and adults, including Diabetes, HIV, Hypertension, MIs, Lacerations, Fractures, COPD, Chronic pain, TB, Immune Disorders, Anaphylaxis, Women’s Health, and Mental Health issues.

Shane Goss, PT

Shane Goss joined the medical staff of Gila Health Resources in 2005. He is a licensed Physical Therapist with a broad range of experience, including outpatient industrial, orthopedic, and geriatric physical therapy services. Shane graduated from the University of Missouri in 1996 and received his post-graduate education in Physical Therapy from the Washington University School of Medicine in St. Louis, Missouri in 1998. Prior to joining GHR, he had experience as a clinic director, nursing home rehab director, and physical therapist.  

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