Our Doctors

  • Margaret A. Withrow, DPM
    Margaret A. Withrow, DPM

    Dr. Margaret Withrow is Board Certified by the American Board of Podiatric Surgeons and has been practicing for 19 years.

    A native of Ohio, she received her undergraduate degree in Biology from Miami University in Oxford, Ohio. After breaking her ankle during a camping trip, she went to a podiatrist and was interested in learning more about this field. She obtained her podiatry degree at the Ohio College of Podiatric medicine, now known as Kent State University College of Podiatric Medicine and was Salutatorian. Dr. Withrow did her Podiatric residency at Cleveland Clinic Foundation as well as her foot and ankle surgery residency at Cleveland Clinic/Community Health Partners where she was Chief Resident.

    Dr. Withrow opened Roadrunner Foot and Ankle in 2008. Dr. Withrow’s patients enjoy not only her knowledge and expertise but are welcomed by the friendly and familiar faces at her practice. She prides herself in treating patients like family.

    Dr. Withrow lives with her husband and three children in the West Valley along with 2 dogs and at last count 13 fish. She loves spending time with her family and in her spare time enjoys hiking, playing tennis, cooking, reading, traveling, and scuba diving.

  • Dylan Kaumaya, DPM
    Dylan Kaumaya, DPM

    Dr. Dylan Kaumaya is a graduate of Midwestern University in Glendale, Arizona. He did his residency at Tucson Medical Center. Born in Queens, New York he relocated with his family and grew up in Gilbert, Arizona. 

    He graduated from Northern Arizona University with a public health degree and decided to become a podiatrist after working on the Native American reservations including the Hopi Reservation. Much of his interactions with patients included awareness for diabetes and diabetic care and Dr. Kaumaya discovered podiatry and its potential for amputation prevention.

    Dr. Kaumaya enjoys creating new relationships with patients and guiding their entire course of treatment from day 1. His motivation is the inspiration he gets from seeing his patients improve whether it is in pain relief deformity correction, good surgical outcome, the healing of wounds, or simple happiness from a great office visit.

    Dr. Kaumaya lives in the north Phoenix area. Dr. Kaumaya enjoys spending time with his family and also hiking, technology, and trying new and exciting foods and restaurants.



Marie has been part of our team since July 2005. She started out at the checkout window and has moved around the front office doing  different tasks. She also covers in the back when needed. Marie is now the office manager for the practice. Marie enjoys spending time with family and grandchildren, and she loves football.

Lorrie joined our staff in April 2019.  She greets patients, schedules all surgeries and has exceptional customer service.  Lorrie enjoys spending time with family, reading and football.

Maria has been part of our team since September 2005. She works with Dr. Withrow as a medical assistant. She received her Medical Assistant diploma from American Career College in July 2005. She has also been a Certified Practical Technologist in Podiatry Radiology since 2006. Maria is our Spanish language interpreter. She enjoys spending time with her family and raising her two sons.

Celina recently rejoined our team as a Medical Assistant.  Born and raised in Phoenix and she loves the Valley of the Sun!  She got into medicine after seeing a commercial about medical assisting and helping others would be perfect for her.  Celina enjoys working with Dr. Withrow and Dr. Kaumaya and my co-workers are my family away from home.  I have 3 children - my 3 Musketeers!  I enjoy spending time with my husband and our children and enjoy camping and traveling.

Gerardina - Gee - recently joined our team and she is from Sonora, Mexico and has been in the United States since 8 years old.  She has 4 children, 12  grandchildren and 1 great grandson.  As a little girl she always liked medication bottles, syringes and anything medical.  Gee loves working in Podiatry and the doctors and staff are awesome!  Gee has goats, lambs, chickens, ducks, cows, bull horses, ponies, a 100 lb turtle and dogs - she is a farm girl.  Gee enjoys looking for arrowheads for her collection and making centerpieces for parties.