• 512-777-0330

About ResilientRX
What Sets Us Apart

About Us

We are a team that provides 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


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.


It is her passion to help people who struggle with pelvic floor dysfunction to reach outcomes they did not know were possible. (Yes that means, you do not have to pee your pants just because you’ve had a kiddo!)

Mary is also a 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.


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.


  • 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. 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.
  • Masks are not required, we will wear them if the client requests
  • 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.