San Francisco –
One Embarcadero

Therapydia SF – One Embarcadero

Experience The Difference

Whether you’re looking to recover from an injury, improve your athletic performance, or just make sure your mechanics are performing at the optimal level, we’re here to help you along your path to lifetime wellness.

  • One-on-one, hands-on treatments designed around your unique body and goals
  • Tailored exercise programs to improve movement and function
  • Pinpoint to the root cause of your condition for lasting pain relief

Contact Us

One Embarcadero Center- Lobby Level
San Francisco, CA 94111
Phone: 415-799-3300
Fax: (415) 799-3301


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Our Team

  • Sydney McDowell, PT, MS, OCS

    Sydney McDowell, PT, MS, OCS

    Regional Clinic Director

    “I strive to do my best for every patient by drawing from a variety of techniques, staying current with research, and learning from other rehabilitation specialists. My expertise is in observing and assessing movement, choosing treatment strategies to improve dysfunctional patterns of movement, and educating patients on causes of and ways to avoid injury. I develop treatment plans based on the concept of regional interdependence–impairments that seem to be unrelated in a separate part of the body may contribute to, or be associated with, the primary complaint. In order for physical therapy to be successful, patients must be active participants in the rehabilitation process. This collaborative effort ensures the best possible outcome of improved health.”

    Professional Licensure and Certifications:
    Licensed Physical Therapist, State of California
    Board Certified Orthopedic Specialist (OCS)
    Pilates Instructor—ITT and BASI trained
    Master Instructor—TRX Sports Medicine
    CPR Certified

    Masters of Science in Physical Therapy, UCSF/SFSU, 2003
    California Teaching Credential, California Polytechnic State University
    Bachelors of Arts, Liberal Studies, California Polytechnic State University

    Postural Restoration Institute (PRI)
    Dynamic Neuromuscular Stability (DNS)
    Selective Functional Movement Assessment (SFMA)
    Functional Movement Screen (FMS) Certified
    TPI Level 1 Certified
    Gray Institute Applied Functional Science Method
    Maitland (Australian) Approach
    Graston Certified
    RockTape Certified-FM1, FM2
    RunRx assessment

    Activities and Community:
    Trains and participates in running events—half-marathon and marathon distances
    Enjoys cycling and swimming
    Teaches and practices Pilates and TRX
    Community lecturer for local groups including Team in Training, lululemon athletica, The San Francisco Marathon, Luna Chix, San Francisco AIDS Marathon, See Jane Run, The Run Center at UCSF
    Contributing writer to various physical therapy publicationsMember of the U.S. Open Wellness Team
    Member of The Loose Interpretations a cappella group

  • Lauren Opatrny, PT, DPT

    Clinic Director

    “The human body is designed to move, and I love working with my patients to optimize their movement. Blending my experience in physical therapy with my continuing education and my personal background in competitive athletics, I use an integrated approach to aid in each person’s unique recovery process. My treatment approach emphasizes movement analysis, neuromuscular re-education, and patient education. I feel privileged to be a part of your journey to improve your health and quality of life, and it is my intention to make your physical therapy experience productive and enjoyable.”

    Professional Licensure and Certification:
    Licensed Physical Therapist, California CPR certified

    Doctor of Physical Therapy, UCSF/SFSU
    Bachelors of Science in Human Science, Georgetown University

    Postural Restoration Institute (PRI)
    Movement Performance Institute
    Dynamic Neuromuscular Stability (DNS)
    Myofascial Decompression (cupping)
    RockTape and McConnell taping techniques
    Maitland approach

    Activities and Community:
    Former NCAA Division I collegiate swimmer
    Enjoys cycling, hiking, tennis, running, camping, cooking, traveling, reading, and learning
    Private swim instructor

  • Marianne Arild, PT, MPT  Physical Therapist

    Marianne Arild, PT, MPT

    Physical Therapist

    “I believe each patient’s “story” is unique and I love developing an individualized treatment program specific to their needs and goals. I enjoy teaching patients about their body and their injuries and I find patient education to be essential in the overall success of the patient’s rehabilitation. I use an eclectic approach based on the skills and experience I have gained through 28 years of patient care, continuing education, and peer collaboration. My background in Nutrition as well as my medical knowledge as a Physician Assistant allows me to give my patients a comprehensive approach focusing not only on their rehabilitation but their overall health and wellness. I have had the opportunity to work with some of the highest level athletes through USA Track and Field, USA Decathlon, San Jose/Cleveland Ballet, United States Figure Skating Association, and MLB – San Francisco Giants and it has helped me to fine tune my clinical skills.”

    Professional Licensure and Certifications:
    Licensed Physical Therapist, State of California
    Licensed Physician Assistant, State of California
    ACLS certified
    CPR Certified

    Master of Physical Therapy, Chapman University, 1989
    Primary Care Physician Assistant Certification, Stanford University School of Medicine, 2011
    Bachelor of Science, Nutrition, Montana State University

    Biomechanical Assessment and Video Gait Analysis
    Orthotic fabrication – Casting, heat molding (Vasyli)
    Graston/IASTM techniques
    K-T and McConnell taping techniques
    Myofascial Decompression (Cupping)
    Maitland (Australian) and Stanley Paris Approach

    Activities and Community:
    Former NCAA Division I collegiate gymnast
    MLB 2nd opinion Physical Therapist
    USA Track and Field, International Medical Team member
    Medical Mission (as a Physician Assistant) in the Philippines with Remote Area Medicine (Typhoon Yolanda)
    Medical Team volunteer for Alonzo King Lines Ballet
    Enjoys traveling, photography, skiing, cycling, Pilates

  • Toya Siddo Office Manager

    Toya Siddo

    Office Manager

    “Toya brings 9 years of healthcare administration experience to TherapydiaSF. She has previously worked in a variety of different industries: cardiology, dermatology, urology, and ophthalmology. With almost a decade of administrative experience, she is excited to dive into the world of PT and ensure that every patient’s experience at TherapydiaSF is outstanding. In her spare time she enjoys cooking, exercising, and long walks with her dog.”


Physical Therapy

Physical Therapy

Sport Rehab

Sport Rehab & Performance Training

Run Analysis

Run Assessment

annual pt assessment

Annual PT Assessment

pre post partum physical therapy

Pre/Post Partum Physical Therapy


  • 5 stars happy physical therapy customers
     Lauren and Marianne were both great! My shoulder healed quickly and well after surgery.  


    July 23, 2021
  • 5 stars happy physical therapy customers
     Great experience working with Therapydia!  


    June 16, 2021
  • 5 stars happy physical therapy customers
     Marianne is very knowledgeable and supportive in achieving my goals in recovery. Toya is great wi … view more  


    June 15, 2021
  • 5 stars happy physical therapy customers
     Lauren is a fantastic Physical Therapist. If you require PRI therapy, I would highly recommend go … view more  

    Holden Grissett

    June 01, 2021
  • 5 stars happy physical therapy customers
     Marianne does a very good job and has really helped me gain my range of motion in my elbow  

    Cannon Secrist

    May 26, 2021
  • 5 stars happy physical therapy customers
     Lauren helped me recover from a seemingly endless ankle injury, provided practical exercises and … view more  


    May 25, 2021
  • 5 stars happy physical therapy customers
     Lauren listens and responds with understanding. The exercises she gives me to do are spot on and … view more  


    May 17, 2021
  • 5 stars happy physical therapy customers
     Marianne Arild was awesome. She helped me recover at a record pace, my surgeon was beyond belief … view more  


    April 30, 2021
  • 5 stars happy physical therapy customers
     Therapydia has been a fantastic resource for me. Marianne is a highly skilled, compassionate and … view more  

    — Janet S.

    April 27, 2021
  • 5 stars happy physical therapy customers
     I’ve been coming to therapydia for years (multiple injuries). I’ve received the best care from Ma … view more  


    April 20, 2021

Contact Us

  • Monday

    8:00 am to 7:00 pm

  • Tuesday

    8:00 am to 7:00 pm

  • Wednesday

    8:00 am to 7:00 pm

  • Thursday

    8:00 am to 7:00 pm

  • Friday

    8:00 am to 6:00 pm

  • Saturday & Sunday


Start your path to wellness

Same & next day appointments available

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Company Info


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