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Central Coast Staff

We have four locations on the Central Coast of California, with four practitioners ready to work with your needs! 

These locations include Santa Barbara, Santa Maria, San Luis Obispo, and Templeton. 


Donald Newton, CPO      Certified Prosthetist/Orthotist

Zak Malzhan, CP   Certified Prosthetist

Zak has been around prosthetics as far as he can remember since his dad is an above knee amputee from way before Zak was born. Zak shares, “I was always fascinated with the prosthesis and enjoyed testing out ways to make my dad’s prosthesis better and more comfortable since I was a kid”.  Zak was raised in Paso Robles, where he graduated from Paso Robles High School. Zak attended Hancock College and worked part time in our Santa Maria Achilles office prior to leaving for more school. Zak attended Sonoma State and finished his grad school at CSU Dominguez Hills before returning to Sonoma County for his residency in Petaluma, CA. In 2004, he moved back to San Luis Obispo County and came back to Achilles Prosthetics to provide custom care as a Certified Prosthetist and Orthotist in both our San Luis Obispo and Templeton office locations.

"Being raised in the North County community, my passion is to bring the highest level of care and technology to our local amputees and orthotic users", explains Zac.

When not crafting prosthetics and orthotics, you will often find him enjoying time with friends and family with big barbeques and motorcycle rides.



David Taylor, CPO   Certified Prosthetist/Orthotist

Originally from Manhattan Beach, CA David has been a Certified Prosthetist and Orthotist for over 30 years. He received his bachelor’s degree at Loyola University of Los Angeles and then attended graduate school at the University of California Los Angeles (UCLA) in 1982. David chose a career in prosthetics because he loved how impactful the ever changing world of prosthetics would be for amputees in giving them hope. David notes that; “I love the challenge that each patient is completely different in their prosthetics needs so each prosthesis is custom to them as an individual.”

David has been a long time resident in San Luis Obispo raising his now adult five children with his wife Judy who is also in the medical industry as physical therapist. When not in the office or visiting with patients you will most likely find him out playing tennis or painting ocean and boat scenes as he is also a professional portrait painter.    

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