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About ResilientRX
What Sets Us Apart

About Us

We are a team that provide a customized, holistic, one-on-one approach to physical therapy. We serve Austin, Westlake, Round Rock, Cedar Park, and Dripping Springs at our North/Central and Westlake physical therapy locations!

Meet the Team

Mary Grimberg
Mary Grimberg
Nick Dissaro
Nick DiSarro
Amberly Jayde

Amberly Jayde


  • Biology (BS) and Chemistry (BA)
  • ACE certified personal trainer
  • Balanced Body Pilates Certified
  • Duke Integrative Health Coaching Program-certified
  • 200 hours Yoga Teacher Training
  • 500-hour Massage School
  • NeuroPilates (3 Courses)
  • Pilates for Neurological Conditions + Advanced class
  • BREATHE certification course
  • Level 1 Movement for Trauma Training (MFT) with Jane Clapp (July 2020)
  • Trauma-Centered, Trauma-Sensitive Yoga certificate


Amberly’s mission is to support & help people feel stronger, safer, & calmer in their mind-body so that they can continue to pursue their purpose, passions & positive impact on society.


As an ongoing learner, Amberly continues to dive into learning the topics of trauma healing through movement,  nervous system support,  & mind-body connection. Amberly is from North Carolina but has lived in New York, the DC area, southern Virginia, Kansas, & now Texas. She’s proud to call Texas home & enjoys connecting with her nature, community, husband, & cats (Avo & Cado).

Nick Disarro PT, DPT, OCS


  • Bachelor of Health Science, University of Florida
  • Doctor of Physical Therapy (DPT), University of Florida

Advanced Training:

  • CEAS® 1 Certified Ergonomic Specialist
  • Selective Functional Movement Assessment,
  • Graston Technique®
  • Mentored physical therapy students from various programs as a clinical instructor
  • Completed Evidence in Motion’s (EIM) Manual Therapy Certification Program
  • Orthopedic certified specialist


  • Outstanding Clinical Instructor: Awarded from the University of South Carolina, 2015


His main goal is to empower fitness enthusiasts by guiding them along their rehabilitation and fitness journeys.


Having lived and worked in Florida and North Carolina, he and his wife Amanda are always looking for new adventures in Austin and beyond. Outside of the clinic, he enjoys live music, playing guitar, stand up paddleboarding, rock climbing, golf, working out, and spending time with his wife, Amanda, their son Lucas and dogs, Gabbi and Pepper.

Mary Grimberg PT, DPT,OCS


  • Bachelors in Science in Health Science at Clemson University in Clemson, South Carolina.
  • Doctor of Physical Therapy (DPT) from Marymount University

Advanced Training:

  • CEAS® 1 Certified Ergonomic Specialist
  • Graduated from Evidence In Motion’s (EIM) Orthopedic Residency Program
  • Orthopedic Certified Specialist (OCS).
  • Instructed for continuing education courses
  • Pelvic floor rehabilitation training through the Herman and Wallace Pelvic Rehabilitation Institute.

Teaching Experience:

  • Orthopedic residency programs, New graduate physical therapists, Physical therapy students.
  • COMT (Certification of Orthopedic Manual Training) instructor from 2016-2018.


Her main passion is helping people with pelvic floor dysfunctions reach outcomes that they didn’t believe were possible. (Yes that means, you do not have to pee your pants just because you’ve had a kiddo!)

Mary is also cancer survivor as she underwent treatment in 2019 for Hodgkin’s Lymphoma. She enjoys completing different workouts such as yoga, spin class, pilates, and interval training. In addition, she enjoys hiking, meeting new people and learning their stories.

Julie Fields, NCPT

Training and Certifications:

  • National Certified Pilates Instructor
  • PhysicalMind Institute Pilates Teacher Training (2007)
  • Core Therapy and Pilates Teacher Training (2012)
  • Gyrokinesis® Level 1 Instructor
  • Licensed Buff Bones® Instructor
  • Aston® Kinetics


Julie’s main goal is to teach clients to move better, not only during their sessions, but throughout their day-to-day activities. She develops customized workouts for client to find their best body for function and fitness.


Julie’s Pilates practice began in 2000 while searching ways to address her poor posture and chronic neck pain. She realized she had found her answer when kayaking Lady Bird Lake and realizing the only pain was her sunburned knees! Her husband accuses her of practicing Pilates while flyfishing (which may be true).


  • Our model allows you to be 1:1 with a Doctor of Physical Therapy for the full treatment time. This means that we are out-of-network with all insurance plans but are able to provide you with a superbill to submit if you have out-of-network benefits. We also accept all major credit cards and FSA/HSA cards.
  • We prefer cash or check, but all forms of payment are accepted. This includes HSA and FSA cards!
  • We suggest wearing loose fitting clothing that allows the affected area to be assessed. Typically workout clothes are your best bet.

Your safety is our primary concern – View our response to COVID-19.
Response to COVID-19
as of 5/25/2021

Please note that we are taking extensive measures to reduce the risk of COVID-19 exposure:​

  • Our staff has completed their COVID-19 Vaccinations:
    • Dr. Nick DiSarro – Fully vaccinated as of 2/25/21
    • Dr. Michelle Andoy – Fully vaccinated as of 2/13/21
    • Dr. Mary Grimberg – Fully vaccinated as of 1/26/21
  • We only offer 1:1 care which limits exposure to COVID-19 simply because you are not in a crowded gym with other clients.
  • We are highly recommending that those who are vaccinated wear a mask.
  • We are requiring that our clients who are not vaccinated wear masks.
  • After each client, we are disinfecting the surfaces and treatment area with disinfectants that meets the EPA criteria for use against COVID-19.
  • We have air filters in each of the treatment rooms.
  • We are asking that our clients use hand sanitizer before and after each visit
  • If you are unsure if you should come in due to potential symptoms, it is best to err on the side of caution and postpone your visit. Contact us to reschedule your visit.