ryan ritthamelRyan Ritthamel, PT, DPT

Dr. Ritthamel has been with the Vargo team since 2009 working as an aide before graduating from California State University, Northridge with his bachelor’s degree in Kinesiology. Ryan graduated with his Doctorate of Physical Therapy from University of St. Augustine, San Marcos and rejoined the team as a PT in 2020.   

Ryan believes that working closely with each patient and creating a personal bond is beneficial to improve the patient’s overall health and well-being. Ryan utilizes evidence-based practice to help achieve each patient’s goals and return them to their desired activities.   

Ryan enjoys spending time with his fiancé and his dog Dash while he is not working. He also spends time working on his car and snowboarding in the winter seasons.   

daniel deldo pta

Daniel Deldo, PTA

Is a Physical Therapist Assistant who currently works at the San Fernando office.

Danny originally joined the Vargo family in its inaugural year back in 2000 as an aide, gaining knowledge and skills in the field of Physical Therapy. After fifteen years with the company, he returned to school to complete and obtain his Physical Therapist Assistant license from Concorde Career College in 2020.

In his spare time, Danny enjoys fishing, barbequing, and spending time with friends and family. 

angie giordimainaAngie Giordimaina, PT, DPT

Angie Giordimaina is a physical therapist in Palmdale, CA. She is passionate about helping to improve the way her patients move and helping them achieve their goals. She enjoys working with clients to help them recover from various orthopedic injuries and surgeries. 

Dr. Giordimaina received her bachelor of science in movement science with a minor in biology at the University of Michigan. She then received a Doctorate of Physical Therapy from the University of Southern California.

In her free time, she enjoys hiking trails in the Angeles National Forest and running.

hartshorn corinna webCorinna Hartshorn, PTA

Corinna Hartshorn is a licensed physical therapist assistant at the Palmdale Vargo clinic.  She graduated from Community Based Education and Development (CBD) College in Koreatown, Los Angeles in 2019. 

Corinna has a background in behavioral therapy and has worked with special needs students.  She decided that there was a lot of good she could do helping with movement as she watched the physical therapists help children overcome difficulties.

Outside of work, she enjoys singing, reading, and doing yoga.


  • Outpatient orthopedics