Manjiri Dahdul



Doctor of Physical Therapy

Dr.Dahdul graduated from the University of Southern California in 2003 with a doctorate degree in Physical Therapy. Post graduation, she specialized in neurological rehabilitation at Long Beach Memorial Medical Center (LBMMC) and Rancho Los Amigos National Rehabilitation Center (RLANRC). Dr. Dahdul acquired specialized training in spinal cord injury and pressure ulcer management at Rancho Los Amigos National Rehabilitation Center.

As a USC researcher, she worked for the national Extremity Constraint Induced Therapy Evaluation (EXCITE) clinical trial in the Motor Behavioral and Neurological Rehabilitation Laboratory. In addition to serving as a clinical mentor in the patient-centered clinics at Mount Saint Mary’s College, Dr. Dahdul currently serves as an Adjunct Instructor of Clinical Physical Therapy in the Biokinesiology and Physical Therapy department at USC.
She is a certified clinician in LSVT® BIG and Parkinson’s Wellness Recovery (PWR!) for individuals with Parksinson’s disease. She acquired specialized training in adaptive equipment, assistive technology, and wheelchair seating/ positioning as a RENSA certified Assistive Technology Professional (ATP). She is RIDE certified in custom molded seating and positioning.
Dr. Dahdul is an active member of the American Physical Therapy Association (APTA) and Neurology Section of the APTA. As co-owner of Precision Rehabilitation, she facilitates the Clinical Coordination of Continued Education (CCCE) for USC. In 2011, Dr. Dahdul was honored with the invitation of Keynote Speaker at USC’s Convocation and White Coat Ceremony. She was invited again to the White Coat Ceremony in 2014, and was recognized with the Clinical Educator of the Year award. Her professional pursuit towards excellence in neurological physical therapy continues through serving as the Director of the Neurological Residency Program at Precision Rehabilitation.

Christy Smitheran



Christy completed her undergraduate work at the University of California, Irvine with a bachelor’s degree in biology. In 2000, she graduated from California State University Fresno with a master’s degree in physical therapy. After graduation, Ms. Smitheran worked in neurological rehabilitation at Long Beach Memorial Medical Center specializing in spinal cord injury, stroke rehabilitation, and brain injury. Currently, Ms.Smitheran co-owns Precision Rehabilitation with Dr. Manjiri Dahdul. Christy has extensive training in wheelchair seating/positioning and has assisted in the growth of our world renowned seating center.

Ms. Smitheran has completed her certification in Neuro-Developmental Technique (NDT) and is RESNA certified as an Assitive Technology Practitioner (ATP) . Additionally, she is a certified Ride Designs custom seating system provider. Recently, Christy became an LSVT(R) BIG certified clinician, helping clients with Parkinson’s Disease or Parkinson’s-like symptoms use exercise to improve function.

Ms.Smitheran has also been a part-time lecturer at California State University Long Beach in the Physical Therapy program and has conducted presentations on spinal cord injury, wheelchair assessment, and private practice ownership. Ms.Smitheran is an active member in the American Physical Therapy Association, with section memberships in both the Neurologic section and the Private Practice section. Ms.Smitheran is a certified Clinical Instructor (CI) through the APTA helping her to serve Universities across our nation with student clinical rotations.

Tiffany Preuschoff


Director of Rehabilitation

Doctor of Physical Therapy

Dr. Tiffany Preuschoff graduated from the University of Southern California with a Doctorate degree in Physical Therapy. She obtained her board certification as a Neurologic Clinical Specialist in 2012. She is passionate about treating the neurologic population and holds additional certifications in LSVT® BIG & PWR! Therapist, rehabilitation techniques for individuals with Parkinson’s disease. Using the latest evidence, she developed and currently runs Precision Rehabilitation’s Constraint Induced Therapy program for individuals with Acute or Chronic hemiplegia after stroke.

In 2010, alongside Dr. Manjiri Dahdul, she began developing Precision Rehabilitation’s Neurological Residency program, which is now recognized as an ABPTS Credential Residency Program. Dr. Preuschoff serves as the Residency’s Coordinator and a primary mentor.

Dr. Preuschoff is an Adjunct Professor at Mount St. Mary’s University in the Doctorate of Physical Therapy program. She is an active member of the American Physical Therapy Association (APTA). She is also a certified clinical instructor (CI) as has served as a CI for several Physical Therapy programs in Southern California including USC, CSULB, Loma Linda University and Mount St. Mary’s University.

Angela Mandas


Speech-Language Pathologist

Angela Mandas received her Master of Arts from California State University-Fullerton (CSUF) and is currently licensed by the state of California as a Speech Language Pathologist. She practiced as a Senior Speech Language Pathologist at Long Beach Memorial Hospital for 19 years and currently teaches at Chapman University. Her specialty areas include neurologic disorders and dysphagia. She also serves as a Medical Expert for legal cases.

Mrs. Mandas is an ASHA certified SLP who is also certified to work with children and adults of all ages. She also has certification in Neuromuscular Electrical Stimulation, Vital Stim ®, Lee Silverman Voice Treatment (LVST)®, and Interactive Metronome. In addition, she is trained in the Beckman approach to neuromuscular disorders.

Angela was the President of the California Speech and Hearing Association (CSHA), the commissioner of Research and Publications, and the state convention Program Chair for the past 4 years. Mrs. Mandas has also been involved in numerous publications, including a column in a national publication called the “Administration and Supervision for ASHA’s Special Interest Division”. Her column, which she has been writing for two years, deals with ethics in the workplace.

Mrs. Mandas is also very active in the community, as she has been involved in volunteer organizations, such as the Southern California Head Injury Foundation(1990-1995, the Jonathan Jaques Cancer Fundraiser, and the Painted Turtle camp for children with chronic illnesses. Angela is the editor of the B.R.A.I.N newsletter, a non-profit organization that brings awareness to the community about Brain Injuries. In addition, she is the Group leader for the program called Friends of Brain Injury (F.B.I.).

Jun Paek

Licensed Acupuncturist

Mr. Paek graduated from South Baylo University with a Masters of Science in Acupuncture and Oriental Medicine (MSAOM), where he was also a Herbal Pharmacy Supervisor. He is a Licensed Acupuncturist (L.Ac.) and a Clean Needle Technique Examiner through the California Acupuncture Board. In addition, Mr. Paek has completed the Functional Anatomy program at UCLA and has been certified through the National Certification Commission for Acupuncture and Oriental Medicine.

Jun is currently the Director of Acupuncture and Herbal Medicine at two other facilities in Orange County and has served as a Diplomate for Acupuncture and Oriental Medicine in the past. He has also spent two years performing field acupuncture research in Beijing, China and devoted one year of his time to researching the correlation between acupuncture and the stimulation of the autonomic nervous system.

Mr. Paek is specially trained in the following conditions: Post-surgical rehabilitation, Multiple Sclerosis symptomatology, infertility treatment, pain management, sleep disorders, gynecological disorders, immune system fortification, headaches, neurological imbalance, drug-dependency, weight loss, allergies, fibromyalgia, and arthritis

Claire Malawy


Occupational Therapist

Claire completed her undergraduate work at Chapman University where she obtained a Bachelor’s degree in Kinesiology. She then completed her graduate studies at the University of Southern California and received her Master’s degree in Occupational Therapy. After graduating Claire started working at Casa Colina Centers for Rehabilitation where’re she specialized in spinal cord injury rehabilitation and worked in the in-patient setting for over 8 years.

Claire is an OT who is a certified provider with Touch Bionics that is qualified to provide functional training for individuals who have an upper extremity amputation and are being fitted for an i-limb revolution. In addition, Claire in 2014 became a certified NEURO-IFRAH clinician.

Over the past few years Claire has developed a growing interest in home modification allowing people to age in place or return to their home environment after sustaining an injury. Claire has received her certified aging in place specialist (CAPS) certification through the National Association of Home Builders (NAHB). Claire is also an active member of the American Occupational Therapy Association (AOTA) and Occupational Therapy Association of California (OTAC) and is licensed through the National Board for Certification in Occupational Therapy (NBCOT).

Melanie Fernando-Reid


Physical Therapist

Melanie graduated over 30 years ago from Loma Linda University with a Bachelors of Science in Physical Therapy. She has been accredited as an Orthopedic Clinical Specialist by the APTA since 1997. She has extensive varied clinical experience in multiple settings including industrial rehabilitation return to work, sports medicine return to play at high school, college, and professional athletes and orthopedic conservative and post surginal rehabilitation

Melanie has been an APTA credentialed Clinical Instructor since 2009 with students from many physical therapy schools including Loma Linda University, Azusa Pacific University, and the University of Southern California. She has served as a part time instructor in various physical therapy programs. In 1989, she helped establish the curriculum and teach the orthopedic and manual therapy curriculum at Cal State Northridge from 2000-2002. She introduced and taugh Industrial Rehabilitation and Return to Work at Loma Linda University. In addition to her contributions to these universities, she ws asked to write a chapter on Rehabilitation that was published in a book on Surgical Ankle Arthroscopy in 1991.

Most importantly, Melanie enjoys being able to continue direct clinical care at Precision Rehabilitation, emphasizing and teching self management options before or after and injury. When she is not at Precision, she has the opportunity to help empower healthcare providers in numerous settings as a Clinical Training Consultatnt with a safe patient handling equipment company.

Danielle Robinson


Physical Therapist

Dr. Danielle Robinson completed her undergraduate work at California Polytechnic State University San Luis Obispo where she graduated with a degree in Kinesiology and Cum Laude Honors. She then attended the University of Southern California for graduate school, completing her Doctorate degree in Physical Therapy. During her graduate program at USC, she received Merit Scholarships for Academic Excellence and the Order of the Golden Cane, which is an award given to honor and acknowledge graduates from the program who have demonstrated the potential to be leaders in the future of Physical Therapy. Her training during school included clinical rotations in various settings such as neurological, vestibular, orthopedics, acute care, and pediatrics. She also participated in research that involved individualized exercise programs incorporating strengthening and cardiovascular fitness for breast cancer survivors.

Since graduating, Danielle has specialized in working with patients with neurological impairments, balance disorders, and vestibular dysfunction. She also has a passion for the fields of oncology and geriatrics. She enjoys helping patients maximize their functional capacitates and improve movement patterns to optimize quality of life. Danielle is an active member of the American Physical Therapy Association (APTA), including as a member of the Neurology Section.

Julia Marcial

Director of Operations

Julia is a native of Long Beach, California. She has been working in the Medical field for the past 10+ years. She joined Precision Rehabilitation as a Front Desk Administrator in 2013 and as of August 2016 she became the Director of Operations, Julia has been a big part of Precision Rehabilitation’s day to day operations. She has provided Precision Rehabilitation with a variety of services, including light IT work around the clinic, problem-solving insurance issues, etc. she’s always been our Go-To person. Julia has also become our resident baker for our staff and volunteers. On her free time, she enjoys cooking and baking, & spending time with her family and friends.

Alexis Rodriguez

Front Desk Administrator

Alexis Rodriguez is a graduate of the University of California, Davis and has her Bachelor of Science in Human Development with an emphasis in pre-nursing. Alexis joined the Precision team in August 2016. She has gained clinical experience by volunteering for a clinic administered through the UC Davis School of Medicine. This clinical experience allowed her to become part of the patient care team for the underprivileged community in Sacramento. Alexis has a passion for helping others in need which has motivated her to pursue a career in nursing. After graduating, Alexis has held positions as an infant specialist, laboratory assistant, and front desk administrator. On her free time, Alexis enjoys finding new places to eat, traveling, and spending time with her family and friends.

Sarah Puluti

Front Desk Administrator

Sarah Puluti joined Precision Rehabilitation in October of 2016 as a front desk administrator. She has been working in the medical field for the past 5 years with an excellent background in customer service. She is a great addition to Precision Rehabilitation, Sarah is always going an extra mile in helping our staff and patients. On her free time, she’s an excellent photographer and loves to spend time with her family and friends.

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