Our Staff

The brief descriptions below are designed to familiarize you with our staff's training, professional credentials and work experience.

Samuel W. Cox, Jr. D.P.M.

Dr. Cox is a 3rd generation podiatrist, practicing podiatric medicine and surgery since 1992. He has completed a 3-year medical and surgical residency program, studying both medicine and reconstructive surgery of the foot, ankle, and lower leg. Dr. Cox is double board certified by both the American Board of Podiatric Surgery and the American Board of Podiatric Medicine, and is a Fellow with the American Professional Wound Care Association and the American College of Foot and Ankle Surgeons. He has been an active member of the American Podiatric Medical Association (APMA) since 1991. His goal in practice is to provide the highest quality of medical and/or surgical care to treat the patient's condition, promptly and cost effectively, in order for the patient to get back to their normal lives.


  • Board Certified, American Board of Podiatric Surgery
  • Board Certified, American Board of Podiatric Medicine
  • Fellow, American Professional Wound Care Association
  • Fellow, American College of Foot & Ankle Surgeons
  • Fellow, American Society of Podiatric Surgeons


  • Member, American Podiatric Medical Association
  • Member, Arizona Podiatric Medical Association
  • Member, American Academy of Podiatric Practice Management

Leah Richardson, CNP

Leah Richardson, CNP is a board certified nurse practitioner that specializes in the care of adult and geriatric patients. Leah graduated Magna Cum Laude from The University of Kentucky in 2015, where she received her Bachelor's of Science degree in Nursing (BSN). She started working as a Registered Nurse (RN) at The Ohio State University Wexner Medical Center on a medical/surgical unit. She then transitioned to Ohio State's community hospital, The Ohio State University East Hospital, where she worked on a preoperative/post-surgical unit for several years. While working at Ohio State, Leah decided to pursue her Master's of Science degree in Nursing (MSN) in order to become a Nurse Practitioner, with a focus on adult and geriatric primary care. After graduating with her Master's degree in 2020, she decided to move from her home state of Ohio across the country to Arizona with her boyfriend and 2 cats.

Leah is a member of the American Association of Nurse Practitioners (AANP), The Gerontological Advanced Practice Nurses Association (GAPNA), and the Sigma Theta Tau International Honor Society of Nursing. She is currently pursuing her Doctorate of Nursing Practice (DNP) at The Ohio State University, where she is studying the effects of how patient health literacy levels impact providers’ education practices, and is working towards implementing meaningful practice changes to help health care providers educate patients more effectively. Leah looks forward to providing her patients with high-quality, comprehensive care of the foot and ankle, in order to get them feeling their best on their feet!