Our Team

At the Center for ACL Injuries our approach to patient care and treatment includes the collaboration of an extremely qualified team of Surgeons, Physical Therapists and Orthopedic Physician Assistants.

Our Doctors

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Douglas Elenz
Sports Medicine

A board certified orthopedic surgeon, Douglas Elenz has been practicing in Austin since 1996. He completed a Sports Medicine and Arthroscopic Surgery Fellowship at Orthopaedic Research of Virginia/Tuckahoe Orthopaedic Associates in Richmond, Virginia. He earned his medical degree from the University of Texas-Houston Medical School and completed his orthopaedic surgery residency at the McGraw Medical Center of Northwestern University in Chicago, Illinois. Dr. Elenz’s orthopaedic training includes experience covering both the Chicago Cubs and Pittsburgh Steelers professional sports teams. He currently serves as a Team Orthopaedic Surgeon for Men’s Athletics at the University of Texas at Austin.

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Nathan Breazeale
Sports Medicine

An Austin native, Dr. Breazeale has practiced in Austin since 1997. He is a board certified orthopedic surgeon who completed a sports medicine and shoulder surgery fellowship at the Hospital for Special Surgery in New York City . He received his medical degree from the University of Texas Southwest Medical School in Dallas and completed his orthopaedic surgery training at John Peter Smith Hospital in Fort Worth. Dr. Breazeale’s sports medicine experience includes team coverage for the New York Mets and St. John’s University tennis tournament, coverage for the ATP, and high school team coverage both in New York and Texas.

Clinical Team

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Mary Passolano
Clinical Manager
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Anna Munoz
RT(R), Orthopedic Assistant
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April Perlaza
PA-C, Physician Assistant
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Corrin Hegarty
LMRT
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Diego Sanchez
RT(R), R-OT, Orthopedic/XRAY Tech
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Eric Richarson
Orthopedic Tech
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Gary Mishoe
LVN, SA-C, OPA-C, Orthopedic Assistant
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Kyla Hegerty
LMRT
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Jordan Crawford
LMRT
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Leah Urtado
Medical Assistant
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Linda Prieto
Medical Assistant
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Monique Ontiveros
Orthopedic Tech
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Sarah Talbot
RN, PA-C
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Shauna Luckie
RT(R)(MR) – MRI Tech
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Victoria Millender
Orthopedic Tech
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Michelle Hernandez
Orthopedic Tech

Physical Therapists

Central Austin Location

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Samantha Kolock, PT, DPT, OCS, SCS, ATC, CSCS
Director of Physical Therapy
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Jesse Ortiz, PT, DPT, OCS, CMPT
Assistant Clinic Director
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Laura Geibel, MSPT, CMT, LAT
Physical Therapist
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Oliver Valdez, PT, DPT
Physical Therapist
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Mattye Mason, PT, DPT
Physical Therapist
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Diana "Deedee" Rivera, PT, DPT
Physical Therapist | Orthopedic Resident
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Matt Cronk, PT, DPT, CSCS
Physical Therapist | Orthopedic Resident

North Austin Location

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Chrissy Moreno, PT, DPT, MCPT, OCS
North Clinic Director, Physical Therapist
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Kim Le, PT, DPT, CSCS
Physical Therapist
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Colin Grilo, PT, DPT
Physical Therapist | Orthopedic Resident
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Sonja Wanninger, PTA
Physical Therapy Assistant

Bee Cave Location

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Nickol Madrid, PTA
Bee Cave Clinic Director
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Henry Klein, PT, DPT
Physical Therapist
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Bailey Williams, PT, DPT
Physical Therapist
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Katie Waters, PT, DPT
Physical Therapist

South Austin Location

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Alanna DiBiasi, PT, DPT
South Clinic Director
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Mary Poletti, PT, DPT, CSCS
Physical Therapist
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Julie Clouse, PTA
Physical Therapy Assistant
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Michelle Materna, PT, DPT
Physical Therapist