Meet the Physicians
Our physicians have earned the highest standards of excellence for practice in their specialty and are certified by the American Board of Otolaryngology and are also fellows of the American Academy of Otolaryngology-Head and Neck Surgery.
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Talk to the experts.

James D. Gonzales, M.D., F.A.C.S.
James D. Gonzales, M.D. graduated from the University of Texas Southwestern Medical School in Dallas, Texas. He completed an internship at the University of Texas Southwestern Medical School followed by a residency program in otolaryngology at University of California in Irvine, California.
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Dr. Gonzales has been in practice since 1989.

Peter T. Janicki, M.D.
Peter T. Janicki, M.D., a University of Chicago graduate completed medical school at Baylor College of Medicine in Houston, Texas. He completed his residency training in Otolaryngology – Head & Neck Surgery at Duke University. Dr. Janicki is a Diplomate of the American Board of Otolaryngology.
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Timothy F. Ragsdale, M.D., F.A.C.S.
Timothy F. Ragsdale, M.D. earned his undergraduate degree at Baylor University in Waco, Texas. He graduated from the University of Tennessee College of Medicine in Memphis, Tennessee where he distinguished himself by being elected to the Alpha Omega Alpha Medical Honor Society.
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Dr. Ragsdale specializes in the treatment of adult and pediatric conditions. He has a special interest in less invasive approaches to sinus problems and is able to perform Balloon Sinuplasty in the office.
For more information on Balloon Sinuplasty go to: www.balloonsinuplasty.com.
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To see Dr. Ragsdale on Balloon Sinuplasty click the above arrow.

Mary G. Ashmead, M.D.
Dr. Mary Ashmead graduated from Baylor University Summa Cum Laude. She is a member of the prestigious Phi Beta Kappa and Alpha Omega Alpha Societies. Dr. Ashmead received her medical degree from UT Southwestern and completed her Otolaryngology residency at the University of Mississippi Medical Center.
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Dr. Ashmead sees patients in our Bedford and Southlake offices. Her schedule is open for appointments!

Yvonne T. Lee, M.D.
Yvonne T. Lee, M.D. is a Cornell University graduate who completed medical school at Penn State College of Medicine. Her residency in Otolaryngology was completed at University of Connecticut. Dr. Lee is board certified in Otolaryngology-Head and Neck Surgery.
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Ellen Ko-Keeney, D.O.
Ellen Ko-Keeney, D.O. is a graduate from the University of Texas at Austin and UNTHSC Texas College of Osteopathic Medicine in Fort Worth, Texas. Dr. Ko-Keeney completed her residency in Otolaryngology – Head & Neck Surgery at University of Pittsburgh Medical Center-Hamot.
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Dr. Ko-Keeney enjoys treating both adult and pediatric patients. She has an interest in the hypoglossal nerve stimulator as an alternative treatment for obstructive sleep apnea as well as thyroid, sinus, and salivary gland surgery.
Dr. Ko-Keeney sees patients in our Bedford and Grapevine offices.