Meet Our Staff

Alaknanda (Alka) Devaskar | Physical Therapist
Owner, Orthopedics and Neuromuscular Rehab, TMJ

Alka graduated from Physical Therapy School in India. She is licensed in California since 1982.  Alka has extensive experience in Acute care, ortho and neuro rehab, home care and skilled nursing facilities.  

In 2000, she established Sonoma Hills Physical Therapy. Her specialties and areas of interest include: orthopedic and neurological rehabilitation, TMJ, Osteoporosis, Pelvic health, and Amputees. Recently certified LSVT for Parkinson's patients.  She lives in Petaluma with her husband and has 2 children.

Christopher Rosales | Physical Therapist, MPT
Chris graduated from UCSF in 1995 with a Masters in Physical Therapy. He also earned a Masters of Public Health from UCLA in 1989. He brings 25 years of clinical experience to the orthopedic physical therapy setting. He has a special interest in sports-related injuries, injury prevention, and sport-specific training. He continues to play organized baseball and has been active in the local pickelball scene. He enjoys travel, camping, music, and spending time with his wife and three adult children. He is also fluent in Spanish.
Sally Gallo | Physical Therapist

Sally has a masters degree in Physical Therapy from Boston University. She has 27 years of P.T. experience specializing in orthopedics.  She directs wellness programs in  the community specifically addressing back stabilization. 

Sally lives in Petaluma, CA with her husband and three children.

Julie Corralejo | Physical Therapist Assistant
Orthopedic Rehab, Scoliosis, Injury Prevention


Julie has been a licenced physical therapist assistant for 9 years and has practiced in out-patient clinics with emphasis on post surgical interventions, sports rehab and scoliosis. Her treatment style is mixing manual therapy and exercise to return her patients to their previous level of function. In her spare time she enjoys gardening, cheese and entertaining at home. She lives in Santa Rosa with her husband and her dog.

Holly Matticola | Physical Therapist Assistant

Pilates, Orthopedic Rehab




Holly is a licensed Physical Therapy Assistant for over 20 years.  She graduated from the Western Institute of Science and Health in 2002. She has had Pilates training for rehabilitation with many different diagnosis and conditions. She enjoys the diversity and challenges that come with each individual patient. Holly stays active going on adventures with her family and volunteering for the local school activities.

Sandy Argento | Front Office Staff




Sandy has worked in the healthcare field for over 30 years. She joined Sonoma Hills Physical Therapy in 2013.Sandy lives in Petaluma,CA with her husband.Sandy helps manage the front office with all of our needs.

Sandy loves spending time in her garden, and is famous in the office for her annual pickled green beans.

Cara Grant | Wellness Class Instructor | Physical Therapy Aide | Front Office Staff


Cara joined our staff in the summer of 2016 as a volunteer. She is the coordinator and fitness instructor of the SHPT wellness program.  Cara is a  graduate from Chico State University with a degree in Exercise Physiology. She is attending Physical Therapy school to achieve her goal of becoming a Physical Therapist. Cara’s hobbies include hiking, skiing, reading and working out.  She enjoys staying active and spending time with her friends and family in her free time.

MaryAnn Reilly | Front Office Staff

MaryAnn recently joined the team in 2021 and has fourteen years of working as a healthcare office manager. she lives in Novato with her husband and two adult children. She enjoys the outdoors, playing sports, gardening, and cooking.

Annette Shearer | Wellness Class Instructor
Annette is a Petaluma native and lives her with her husband and daughter. She has her BA in Pre-Physical Therapy, ACE Medical Exercise Specialist and Health coach Certifications, and is a certified SAIL (Stay Active and Independent for Life) instructor. Annette has been involved in the physical therapy setting for the majority of her career, and has been a vital part of many patient's exercise success stories. In her free time, she enjoys getting outdoors and being active through hiking, running, biking, and swimming.