Dedicated Professionals – Specially Trained Staff – Compassionate Care
Supporting the surgeons at Napa Valley Orthopaedics is our professional team of physicians’ assistants, medical assistants, technicians and staff. These dedicated professionals are specially-trained to help you each step of the way. Meet our staff:
Physicians Assistants
Karen and Kimberly play an integral role at Napa Valley Orthopaedics, assisting Dr. Jason Huffman
and Dr. John Diana, and maintaining a full clinical schedule of patients.
Karen Long, MMS, PA-C
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New Patient Coordinators
Maria Castro main (707) 254-7117, x102 – direct (707) 603-1050 Maria@napavalleyortho.com
Jenny Hernandez main (707) 254-7117, x101 – direct (707) 603-1048 Jenny@napavalleyortho.com
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Workers Compensation Coordinator
Cori M. Thomas main (707) 254-7117, x123 – direct (707) 603-1056![]()
Medical Assistants
Paula Hill main (707) 254-7117, x120 – direct (707) 603-1039 [email protected]
Assistant to Dr. Brian Freeto.
Crystal Luiz-Jones main (707) 254-7117, x122 – direct (707) 603-1038 Crystal@napavalleyortho.com
Assistant to Dr. Daniel Birkbeck.
Dawn Sousa main (707) 254-7117, x126 – direct (707) 603-1042 [email protected]
Assistant to Dr. Jason Huffman.
Michelle Urbina main (707) 254-7117, x112 – direct (707) 603-1061 MichelleU@napavalleyortho.com
Assistant to Dr. Daniel Birkbeck.
Laura Nye main (707) 254-7117, x110 – direct (707) 603-1040 [email protected]
Assistant to Dr. Michael Shifflett.
Amanda Olmstead main (707) 254-7117, x111 – direct (707) 603-1037 [email protected]
Assistant to Dr. John Diana.
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Surgery Schedulers
Tina Sherman main (707) 254-7117, x106 – direct (707) 603-1054 [email protected]
Renee Zanardi main (707) 254-7117, x107 – direct (707) 603-1055 [email protected]
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Billing
Laurie Gordon main (707) 254-7117, x119 – direct (707) 603-1032 [email protected]
Calandra Garrett main (707) 254-7117, x109 – direct (707) 603-1033 [email protected]
Michelle Matoza main (707) 254-7117, x108 – direct (707) 603-1034 [email protected]
Araceli Cazares main (707) 254-7117, x125 – direct (707) 603-1035
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Office Manager
Karen Paris main (707) 254-7117, x118 – direct (707) 603-1060 [email protected]
