Medical Specialists
Every week, top medical specialists in a wide range of disciplines keep regular office hours right here at Tri Valley Health System, which means that the advanced care you need for special conditions can be accomplished without the time and expense of a lengthy drive.
To schedule an appointment with a specialist provider contact Central Scheduling at 308-697-1172.
Every week, top medical specialists in a wide range of disciplines keep regular office hours right here at Tri Valley Health System, which means that the advanced care you need for special conditions can be accomplished without the time and expense of a lengthy drive.
To schedule an appointment with a specialist provider contact Central Scheduling at 308-697-1172.
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Cardiology
Joseph Kummer, MD:
Bryan Heart Institute Dr. Kummer received his medical degree from the University of Nebraska Medical Center College of Medicine and completed his residency at Northwestern Memorial Hospital.
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CardiologyMatthew Johnson, MD:
Bryan Heart Institute Dr. Johnson received his medical degree from the University of Nebraska Medical Center College of Medicine and completed his residency at the University of Nebraska Medical Center. He completed his fellowship at the University of Nebraska Medical Center and is board-certified by the American
Board of Internal Medicine with a subspecialty certification in Cardiovascular Disease, Interventional Cardiology. |
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CardiologyDr. Denney received his medical degree from Creighton University and specializes in cardiovascular disease, nuclear cardiology & internal medicine.
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CardiologyDr. Ferrer earned her Doctor of Medicine from Los Andes University in Venezuela, graduating with high honors. She then completed the Cardiology Fellowship Program at Los Andes University Hospital and began practice as a Non-Invasive Cardiologist. She has completed an Internal Medicine Residency at HCA Brandon Regional Hospital and Cardiovascular Disease Fellowship at HCA Healthcare Aventura Hospital & Medical Center in Miami. Dr. Ferrer is board certified in Internal Medicine and board eligible in Cardiovascular Disease and Echocardiography. She is bilingual in Spanish and English, and Level II Certified in Cardiovascular CT, Cardiac MRI and Echocardiography.
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DermatologyJohn Adams, MD:
Premier Dermatology & Mohs Surgery Center Dr. Adams received his medical degree from the University of Southern California. He served on the Board of Directors of the American Society for Mohs Surgery. In 2016, he served as the President of the Kansas Society of Dermatology and Dermatologic Surgery. Dr. Adams has also been selected as one of "America's Top Physicians."
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GastroenterologyJeffrey Cloud, MD:
Digestive Care Specialists Dr. Cloud received his medical degree from the University of Texas Southwestern in Dallas. He completed his residency in Internal Medicine at the University of Texas Southwestern and a fellowship in Infectious Disease at Beth Israel Deaconess Medical Center in Boston. He then completed a fellowship in Gastroenterology at the University of Virginia Health System in Charlottesville, Virginia, where he was a chief fellow. He is board certified in Internal Medicine, Infectious Disease, and Gastroenterology.
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GynecologyTodd Pankratz, MD:
Obstetricians & Gynecologists PC Dr. Pankratz received his medical degree from the University of Nebraska College of Medicine in Omaha in 1992 and he served his residency training at Truman Medical Center/St. Luke's Hospital in Kansas City, Missouri. He is certified by the American Board of Obstetrics and Gynecology and is a Fellow of the American College of Obstetricians and Gynecologists.
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OncologyCynthia Lewis, MD:
Nebraska Medical Center Dr. Cynthia M. Lewis, MD, is a board-certified hematologist/oncologist. She received her undergraduate degree from the University of Nebraska, Lincoln. Dr. Lewis completed her hematology/oncology fellowship and received her medical degree from the University of Nebraska Medical Center, Omaha. Dr. Lewis has been in practice since 1996.
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Orthopedic SurgeryChris Wilkinson, MD
Dr. Wilkinson completed his medical degree from the University of Nebraska in Omaha. He then completed his residency in general surgery at Maricopa County General Hospital & in orthopedic surgery from Phoenix Integrated Orthopedics. Dr. Wilkinson offers orthopedic treatment in joint replacement surgery, sports medicine, trauma and general orthopedics. Dr. Wilkinson also utilizes the Conformis joint replacement system.
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Orthopedic SurgeryRyan Carr, MD
Dr. Carr is a board-certified and fellowship trained orthopedic surgeon who specializes in disorders of the shoulder, hip, and knee. Procedures he performs include joint replacement, advanced arthroscopic reconstruction surgery, and fracture management. Dr. Carr received his medical degree from Chicago Medical School and completed his surgical residency in the Department of Orthopedic Surgery at University of Illinois. Prior to practicing in Denver, he was team physician for both professional and high school sports teams. In 2014, Dr. Carr was awarded the Vernon L. Nickel Research Award from the Orthopedic Research Association. Dr. Carr offers orthopedic treatment in joint replacement surgery, sports medicine, trauma and general orthopedics. Dr. Carr also utilizes the Conformis joint replacement system.
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PainDr. J Paul Meyer
Dr. J Paul Meyer is an Iowa native and has been a long time resident of Grand Island, Nebraska. He received his undergraduate degree in pharmacology and medical doctorate from South Dakota State. Dr. Meyer then completed his residency in anesthesiology at the University of Kansas. Dr. Meyer is board certified in anesthesiology and anesthesiology & pain medicine by the American Board of Anesthesiology.
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PainAshley Ambrosek, APRN
Ashley Ambrosek graduated from University of Nebraska Medical Center in 2019 and received her Master's Degree in Family Medicine in 2023 from Colorado Technical University. Ashley is board certified as an AANP and ANCC pain management nurse.
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PodiatryRussell Carlston, DPM:
ruralMED Health Cooperative Dr. Russell Carlston is a highly-skilled foot and ankle surgeon. A Colorado native, he attended the University of Colorado in Colorado Springs. After that he attended Barry University in Miami, FL, where he earned a Doctorate of Podiatric Medicine. He went on to complete a three-year residency in Podiatric Medicine and Surgery with the added credential in Reconstructive Rearfoot/Ankle Surgery at St. Joseph Medical Center in Houston, TX. While in residency, he gained comprehensive training in forefoot, midfoot, and rearfoot surgery, trauma, wound care, diabetic foot care, and reconstructive surgery.
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PodiatryAvery Mason, DPM:
Great Plains Foot & Ankle Specialists Dr. Avery Mason graduated from Des Moines University Medical School, completed a residency at Ascension St. John, and a fellowship in advanced reconstruction foot and ankle surgery. Dr. Mason specializes in flat foot deformity, arthritic conditions, trauma injuries, total ankle replacements, minimally invasive bunionectomy, high arches, hammer toes, sprains, fractures, achilles tendon, plantar fascitis, tarsal tunnel, ankle instability, among many other foot and ankle conditions.
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PulmonaryDr. Kelpesh Ganatra:
Dr. Kalpesh Ganatra received his medical degree from the University of Mumbai L.T.M. Medical College in Mumbai, India. He completed his residency in Internal Medicine at Guthrie Health Care System/Robert Packer Hospital in Sayre, Pennsylvania. He was appointed as Chief Resident from 2001-2002. He completed his fellowship in Pulmonary and Critical Care Medicine at the Fletcher Allen Healthcare/University of Vermont in Burlington, VT.
Dr. Ganatra is Board Certified in Pulmonary and Critical Care Medicine and Internal Medicine, a Diplomate with the American Board of Sleep Medicine (D, ABSM), and a member of the American College of Chest Physicians, American Thoracic Society and American Academy of Sleep Medicine. |
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PulmonaryMelissa Hoferer, APRN:
Melissa earned a Master of Science Degree, specializing in acute care from the University of Nebraska Medical Center Omaha Division, where she also earned her Bachelor of Science in Nursing. She is a member of the the Nebraska Nurse Practitioner and the ANCC. Melissa has been a Nurse Practitioner since 2018 with experience in cardiology and critical care.
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RheumatologyDr. Ariel Dan Teitel:
Dr. Teitel graduated with his medical degree from George Washington University and completed his fellowship in rheumatology. Dr. Teitel is board certified in rheumatology. Dr. Teitel specializes in the diagnosis and treatment of systemic autoimmune diseases and diseases causing pain, swelling, and stiffness in muscles, bones, joints, and ligaments.
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Scopes
Dr. Lennie Deaver:
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Dr. Deaver attended the University of Nebraska-Lincoln, where he received his Bachelor of Science degree in 1980. He went on to attend the University of Nebraska Medical Center in Omaha, where he received his M.D. in 1984 and completed his residency at the University Hospital in Omaha in 1987.
Dr. Deaver has been with Tri Valley Health System since 1987. Dr. Deaver provides endoscopy procedures and back up call. |
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Wound CareDr. Tamara Robbins:
Dr. Tamara Robbins received her medical degree at the Indiana University School of Medicine in 1994 and completed her residency in 2002 from Ball Memorial Hospital in Muncie, Indiana. Dr. Robbins is board certified. Dr. Robbins was introduced to wound care services in 2020.
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Telemedicine
For other specialties such as psychiatry and neurology or for visits with a specialist between their regularly scheduled outreach clinic at Tri Valley, patients are able to connect with medical professionals through Telemedicine. Tri Valley currently has two systems utilized for patient care as well as staff training.
For other specialties such as psychiatry and neurology or for visits with a specialist between their regularly scheduled outreach clinic at Tri Valley, patients are able to connect with medical professionals through Telemedicine. Tri Valley currently has two systems utilized for patient care as well as staff training.
