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about us

Our Doctors

Daniel J. Klemmedson

DDS, MD

Dr. Klemmedson has been in Tucson since 1966.  After completing his undergraduate education at the University of Arizona, he moved to Los Angeles for his dental, medical and surgical training.  He received both his dental and medical degree from the University of Southern California (USC), graduating with honors in both fields.  He completed his oral and maxillofacial surgery training at Los Angeles County/USC Medical Center.  He is board certified and has been a Diplomat of the American Board of Oral and Maxillofacial Surgery since 1985.  He maintains hospital privileges at Tucson Medical Center. He is a member of the American, Arizona and Southern Arizona Dental Associations (past president of Arizona and Southern Arizona), American Association Oral and Maxillofacial Surgery, Western Society of Oral and Maxillofacial Surgeon (past president), American Cleft-Palate Craniofacial Association, Arizona Society of Oral and Maxillofacial Surgeons (past president) and the Pima County Medical Society.  Dr. Klemmedson plays an active role on the cleft lip and palate/craniofacial team in southern Arizona, which is associated with Children’s Rehabilitative Services.

Timothy A. Lew

DDS

Dr. Lew graduated Cum Laude from the University of Texas at Dallas with a double major in Biology and Business Administration. Shortly thereafter, he attended dental school at Columbia University in New York City. During dental school, Dr. Lew was awarded a United States Health Professional Scholarship and was elected to the Omicron Kappa Upsilon Dental Society. Dr. Lew’s surgical training took place at San Antonio Military Medical Center, which is one of the U.S. Army’s premier medical centers dealing with Level I trauma, burn and combat injuries. During his residency, Dr. Lew participated in multiple research projects at the Institute of Surgical Research and is a Major General Joseph L. Bernier Research Award recipient. He is board certified and has been a Diplomat of the American Board of Oral and Maxillofacial Surgery since 2013. Dr. Lew is experienced in all aspects of our specialty which includes dentoalveolar surgery, anesthesia, dental implant surgery, orthognathic surgery, trauma reconstruction and repair, and head and neck infections. He is a member of the American, Arizona and Southern Arizona Dental Associations and the American Association of Oral and Maxillofacial Surgeons.

Derek Miller

DDS, MD

Dr. Miller graduated from The University of Arizona with a degree in engineering.  He received his Dental Degree from University of the Pacific in San Francisco and his Medical Degree from the University of Texas Southwestern in Dallas. His Oral and Maxillofacial Surgery training was completed at the University of Texas and Parkland Hospital. Dr. Miller is board certified and has been a Diplomat of the American Board of Oral & Maxillofacial Surgery since 2018. Dr. Miller is experienced in all aspects of our specialty which includes dentoalveolar surgery, dental implant surgery, orthognathic and reconstructive surgery, trauma and anesthesia. Dr. Miller was born in Minnesota and grew up in Phoenix, Arizona.  He has been married for six years to Charlene Miller, also a University of Arizona graduate.

Ryan Mirchel

DDS, MD

Dr. Ryan Mirchel was born in New York and raised in the Pacific Northwest.  He graduated with honors from Washington State University’s School of Molecular Biosciences.  Dr. Mirchel earned his DDS at the University of the Pacific in San Francisco and completed his medical degree and his training in Oral and Maxillofacial Surgery from the University of Southwestern in Dallas.  Dr. Mirchel joins us from his appointment as a full-time academic surgeon at the University of Cincinnati.  He has a deep interest in medical education, and has lectured nationally and internationally on topics as diverse as: complex, full-mouth dental implant treatment, TMJ treatment pathways and standardized testing in healthcare education.  Dr. Mirchel is experienced in all aspects of our specialty, which includes dentoalveolar surgery, anesthesia, dental implant surgery, bone grafting and reconstructive surgery, TMJ disorders, facial trauma repair and head and neck infections.  Dr. Mirchel is married to Elizabeth who he met during his oral surgery training in Dallas.

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