Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Christopher Finkemeier, MD, is a California native, bringing exceptional orthopedic and trauma care in Carmichael, California. At Orthopedic Trauma Surgeons of Northern California, Dr. Finkemeier attentively listens to his patients’ concerns to find quick, comprehensive solutions.
His educational journey started with receiving his bachelor’s degree from the University of California Los Angeles (UCLA), graduating magna cum laude.
Dr. Finkemeier obtained his Master of Business Administration quickly thereafter, also from the University of California Irvine (UCI). Realizing he had a passion for impeccable medical care, he moved to San Francisco and obtained his medical degree from the University of California San Francisco. After completing a residency program at the University of Minnesota, Minneapolis, Dr. Finkemeier became an assistant clinical professor at the University of California Davis.
Since then, Dr. Finkemeier has been providing impeccable health care through Orthopedic Trauma Surgeons of Northern California for more than 20 years. Dr. Frinkemeier regularly contributes to the Journal of Orthopedic Trauma and stays up-to-date with many hospital committees, such as the Trauma CQI Committee and Orthopedic Trauma Section SRMC.
Dr. Finkemeier also has decades of experience working on several peer-reviewed publications, offering greater insight into orthopedic medicine. He has recently worked considerably on publications about femur fractures and care. Dr. Finkemeier’s work is featured in AO Publication, EFORT Open Reviews, and the Journal of Orthopedic Trauma.
Paul Gregory, MD, is an exceptional, board-certified trauma surgeon servicing the greater Carmichael, California, region. At Orthopedic Trauma Surgeons of Northern California, Dr. Gregory brings more than 30 years of experience.
Dr. Gregory received his bachelor’s degree from the University of Nebraska in Lincoln and continued at the University of Nebraska School of Medicine in Omaha, where he received his medical degreeHe then completed his internship and residency at the University of Oklahoma’s Department of Orthopaedic Surgery and Rehabilitation l in Oklahoma City. Rounding out his educational experience, Dr. Gregory moved to Tampa, Florida, where he completed a fellowship in musculoskeletal trauma.
Since 1999, Dr. Gregory has served as the director of orthopedic trauma at Mercy San Juan Medical Center in Carmichael, California. He is an active member of the Orthopaedic Trauma Association and the American Academy of Orthopaedic Surgeons. He has published numerous articles in peer-reviewed journals. He serves on the editorial board of the Journal of Orthopaedic Trauma. In 2010, Dr. Gregory founded the Orthopaedic Trauma Surgeons of Northern California fellowship program. The program is one of approximately 45 such programs accredited in the United States to train orthopaedic resident graduates in musculoskeletal trauma.
Jennifer Sharp DO is a board eligible, fellowship trained orthopedic trauma surgeon. She joined Orthopedic Trauma Surgeons of Northern California after finishing her fellowship training with them. Dr Sharp completed her orthopedic surgery residency at Good Samaritan Medical Center in Corvallis, OR. She is an active member of the Orthopedic Trauma Association and the American Academy of Orthopedic Surgeons. She has been published in journals such as Orthopedics, Journal of Pediatric Orthopedics, and AAOS Now.
Dr Sharp received her Bachelor of Science degree in Electrical and Biomedical engineering from the University of Wyoming and then completed a Master’s degree in electrical engineering at the University of Notre Dame. She worked for Lockheed Martin and Neva Ridge Technologies prior to a career in medicine. She completed medical school at Kansas City University of Medicine and Biosciences in Kansas City, Missouri.
Dr Sharp is credentialed at Mercy San Juan Medical Center and Sutter Roseville Medical Center where she cares for orthopedic trauma, nonunions/malunions, and infections. She has a passion for helping people return to their pre-injury level of function.
Dr Sharp enjoys running, hiking, skiing and spending time with her family.
If you’re looking for an experienced and masterful orthopedic doctor, look no further than Frederick Tonnos, DO, in Carmichael, California. As a part of the Orthopedic Trauma Surgeons of Northern California, Dr. Tonnos provides comprehensive and compassionate care to address your needs with the best, custom-fit solutions.
Dr. Tonnos obtained his bachelor’s degree in biological science from Montana State University in Bozeman, Montana, completing his program with honors. He continued his education, receiving his Doctor of Orthopaedic Medicine at Michigan State University in East Lansing, followed by an orthopedic surgery residency from the same institution where he earned resident of the year.
The Orthopedic Trauma Surgeons of Northern California recognized Dr. Tonnos’ talents and brought him to the team as a fellow. Dr. Tonnos returned to Michigan, to obtain valuable experience, working as an orthopedic surgeon for seven years, providing exceptional care to patients at DMC Sinai-Grace Hospital and DMC Huron Valley-Sinai Hospital, both in Detroit, Michigan.
Dr. Tonnos then returned to the Orthopedic Trauma Surgeons of Northern California team and their exceptional medical practice and has been working as an orthopedic trauma surgeon at the Carmichael, California, office.
Several publications highlight Dr. Tonnos’ impact, such as the Journal of Orthopaedic Trauma, International Orthopaedics, and The American Journal of Surgery. He continues his lifelong orthopedic journey by maintaining professional affiliations through the American Osteopathic Association and the Orthopaedic Trauma Association, among several others.
Ethan Lea, MD, is a board-certified doctor of orthopedic surgery, providing unmatched care in Carmichael, California. At Orthopedic Trauma Surgeons of Northern California, Dr. Lea has a passion for treating patients who have experienced traumatic injuries.
Dr. Lea started his orthopedic journey by receiving his bachelor’s degree in biochemistry from Kent State University in Kent, Ohio, graduating summa cum laude. He earned the Merek Award for excellence in biochemistry and the Undergraduate Student Excellence Award for his impeccable academic performance.
Shortly after, Dr. Lea pursued master’s and medical degrees simultaneously, highlighting his drive and dedication to all things orthopedic. He earned both degrees from Case Western Reserve University in Cleveland, Ohio, where he was given the Alfred S. Maschke Award for Excellence. Dr. Lea immediately followed up with the same institution's internship and residency program.
Dr. Lea has privileges at the Mercy San Juan Medical Center in Carmichael, California, and Sutter Roseville Medical Center in California. Today, he also contributes his vast orthopedic expertise to the Orthopedic Trauma Surgeons of Northern California team.
Dr. Lea’s contributions can be seen in peer-reviewed journals and books, such as Clinical Orthopaedics and Related Research. Dr. Lea currently has a book chapter in review discussing the diagnosis, evaluation, and management of the humerus.
Michael P. Leathers, MD is a skilled orthopedic surgeon and sports medicine physician in Sacramento, California. Inspired by his patients, Dr. Leathers chose to pursue a specialty in sports medicine because the men and women he treats are highly motivated to improve their health and performance.
Dr. Leathers earned his medical degree and graduated with honors of the highest distinction from the Keck School of Medicine at the University of Southern California in Los Angeles. While there, Dr. Leathers was invited to join Alpha Omega Alpha (AOA), the most prestigious honor society exclusive to only the top medical students in the country.
Following graduation, Dr. Leathers went on to complete his internship in general surgery and his residency in orthopedic surgery at the University of California, Los Angeles. He then completed his fellowship in sports medicine and shoulder replacement at the University of California, San Francisco. This fellowship emphasized advanced reconstruction of knee ligaments, shoulder ligaments, tendons, and replacements for arthritis, as well as hip arthroscopy.
In addition to attending the top orthopedic training programs in the country, Dr. Leathers is an accomplished presenter and has authored publications on multiple topics, including shoulder replacements, ACL reconstructions, pediatric fractures, and cartilage defects in the knee.
Whether he’s reconstructing a torn ACL in a professional football player or repairing a rotator cuff in a weekend tennis player, Dr. Leathers is motivated by the enthusiasm of the athletes in his care.
Dr. Tyler Smith, MD, is a Fellowship-Trained and Board-Certified Orthopedic Spine Surgeon, Spine Surgery Specialist, and the Founder of Sierra Spine Institute. Dr. Smith takes pride in providing the people of Roseville, California, and surrounding communities with the highest quality surgical and conservative care.
Dr. Smith focuses his practice exclusively on evaluating and treating conditions of the spine in adults and adolescents. He is widely regarded as an innovative thought leader in the field of minimally invasive spine surgery, and has published extensively in peer reviewed literature. His leadership in the field of lateral lumbar surgery has led to many advanced techniques, including the development of prone lateral surgery. He has traveled the world teaching surgeons and lecturing on this groundbreaking technique. As a practiced Orthopedic Spine Surgeon, Spine Surgery Specialist, and health care professional, Dr. Smith feels he and his team have a clear obligation to provide patients with as much information about their care as possible.
“Informed patients simply make better decisions about treatment options and enjoy better outcomes,” he says.
Dr. Smith also has a healthy respect for surgery and believes it should be avoided (if possible). However, if your condition requires an operation, it should be done in a way that preserves uninvolved tissue as much as possible, otherwise known as minimally invasive.
Dr. Smith always takes a respectful and responsive approach. His sole mission is to alleviate your pain through personalized, high-quality care, and his goal is to get patients back to living their lives as quickly as possible.
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