Dr. Denio is a board-certified and fellowship-trained rheumatologist. His clinical interests include general rheumatology and caring for people with autoimmune diseases such as systemic lupus erythematosus (commonly called lupus), rheumatoid arthritis and psoriatic arthritis. He also focuses on autoimmune eye diseases.|Born and raised in Clarion, Pa., Dr. Denio earned his medical degree from the University of Pittsburgh and completed both his residency and advanced training in rheumatology at Geisinger Medical Center. He is certified in rheumatology by the American Board of Internal Medicine. After practicing and teaching medicine in Virginia for several years, Dr. Denio returned to Geisinger, in part, to fulfill his love of teaching by serving as director of the Geisinger Rheumatology Fellowship Program.|Dr. Denio said he was inspired to become a provider because of the “intellectual challenge of understanding our immune system and helping patients who have difficult challenging diseases.” He is a recipient of the Paulding Phelps Award from the American College of Rheumatology, given yearly to a clinical rheumatologist for outstanding service to patients, community and the practice of medicine. He also received the Medical Excellence Award from the Arthritis Foundation.|In his free time, Dr. Denio enjoys gardening and fishing. He recently became a grandparent and is a fan of Pittsburgh football and hockey, rooting for the Steelers and the Penguins. Dr. Denio is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, Osteoporosis, and Necrotizing Vasculitis.

Dr. Meissner is a board-certified and fellowship-trained rheumatologist. She earned her medical degree from the University of Texas San Antonio School of Medicine. Dr. Meissner completed her residency at the University of Texas Southwestern Medical Center, and her fellowship at the same institution. She is certified by the American Board of Internal Medicine in internal medicine and in rheumatology. Dr. Meissner is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Temporal Arteritis, and Giant Cell Arteritis (GCA).

Dr. Schroeder is a board-certified and fellowship-trained rheumatologist. In addition to general rheumatology, her clinical interests include rheumatoid arthritis, gout, inflammatory arthritis, lupus and vasculitis. Her research interests include medical education and quality improvement in rheumatic diseases. Dr. Schroeder attended the University of Wisconsin School of Medicine and Public Health, where she received her medical degree. She completed her residency, her chief residency and her fellowship in rheumatology at Geisinger Medical Center. Dr. Schroeder is certified by the American Board of Internal Medicine in rheumatology. Dr. Schroeder is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Rheumatoid Arthritis (RA), and Polymyalgia Rheumatica.

Dr. Olenginski is a board-certified and fellowship-trained rheumatologist. Within general rheumatology, his clinical interests include rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, vasculitis and gout/pseudogout. He has a special interest in osteoporosis, especially post-fracture care. His research interests include osteoporosis, post-fracture care and general rheumatology. Dr. Olenginski attended The Pennsylvania State University, where he received his medical degree. He completed his residency and a fellowship in rheumatology at Geisinger Medical Center. Dr. Olenginski is certified by the American Board of Internal Medicine in internal medicine and rheumatology. He is an ISCD-certified clinical densitometrist.|Outside of work, Dr. Olenginski enjoys golfing and traveling, especially to St. Thomas and to Tennessee for an annual golf vacation. This native of Glen Lyon, Pa., is a father of two grown sons and lives in Lewisburg with his wife and two cats, where he is an active PIAA basketball official. Dr. Olenginski is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Polyarteritis Nodosa, and Rheumatoid Arthritis (RA).

Emily Brunner is a Pediatric Rheumatologist and an Internal Medicine provider in Danville, Pennsylvania. Dr. Brunner is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her top areas of expertise are Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Tenosynovitis.

Kristen Koons, MD, is a rheumatologist. She treats adults for a variety of conditions, including inflammatory arthritis, rheumatoid arthritis, connective tissue disease and vasculitis. She has a clinical interest in rheumatologic conditions that affect the skin. Dr. Koons performs diagnostic ultrasounds and ultrasound-guided joint injections and is co-director of the autoimmune nephritis clinic at Geisinger. In this clinic, patients see a rheumatologist and nephrologist at the same time for autoimmune conditions affecting the kidneys.|Dr. Koons attended The Penn State College of Medicine, where she earned her medical degree. After medical school she completed her residency at the University of Virginia in Charlottesville, where she served as chief resident. She followed that with a fellowship at Geisinger Medical Center.|“I love both the clinical and educational aspects of my job,” Dr. Koons says. “I get to treat the whole patient and remain knowledgeable about every organ system. I enjoy solving clinical puzzles by putting together clues from a patient’s history and physical exam. I also get purpose from my involvement in the rheumatology fellowship program. I love teaching and serving as a mentor to those just entering the field of rheumatology.”|Having a father who was a family medicine doctor inspired Dr. Koons to go into medicine, where she can now fuel others’ inspirations. “I am proud that I have become the rheumatology fellowship program director early in my career, and look forward to many years of teaching fellows,” she says.|Dr. Koons is a native of Selinsgrove. In her spare time, she enjoys hiking, running, traveling and spending time with her spouse and their two children. Dr. Koons is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her top areas of expertise are Scleroderma, Necrotizing Vasculitis, Rheumatoid Arthritis (RA), and Systemic Sclerosis (SSc).

Dr. Sapkota is a board-eligible physician specializing in internal medicine. His clinical interests include cardiovascular diseases, diabetes and related complications as well as wilderness and mountain medicine. Dr. Sapkota attended Manipal College of Medical Sciences, where he earned his medical degree. He completed his residency at Interfaith Medical Center. Dr. Sapkota speaks English, Nepali and basic Hindi.|Outside of work, Dr. Sapkota enjoys hiking, rock/ice/wall climbing and traveling. He also likes to play soccer and volleyball. Dr. Sapkota is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Hypothyroidism, Maturity Onset Diabetes of the Young, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Thomas Harrington is a Rheumatologist in Danville, Pennsylvania. Dr. Harrington is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Osteoporosis, Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Rheumatoid Arthritis (RA).

Kent Blakely is a Rheumatologist in Danville, Pennsylvania. Dr. Blakely is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Rheumatoid Arthritis (RA), Psoriatic Arthritis, Psoriasis, and Rheumatoid Vasculitis.

Eric Newman is a Rheumatologist in Danville, Pennsylvania. Dr. Newman is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Rheumatoid Arthritis (RA), Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Postmenopausal Osteoporosis.

Francis Bobek is a primary care provider, practicing in Family Medicine in Elysburg, Pennsylvania. Dr. Bobek is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hypothyroidism, and Sitosterolemia.

Philosophy of care | I guide patients on their journey of healing and wellness. | Why I entered medicine | Growing up with a disabled mom helped me see how much an impact a doctor can have to help a whole family. | Community involvement | I volunteer at church as a eucharistic minister. | Personal interests | Mindfulness meditation. Dr. Gricoski is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her top areas of expertise are Hypothyroidism, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Ankylosing Vertebral Hyperostosis with Tylosis.

Ray Douglas is a primary care provider, practicing in Family Medicine in Milton, Pennsylvania. Dr. Douglas is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His top areas of expertise are Small Lymphocytic Lymphoma (SLL), Colorectal Cancer, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL).