Who We Are
Welcome to Bay Area Physical Therapy & Diagnostics
Bay Area Physical Therapy & Diagnostics has been part of the Lamorinda community for more than 39 years. We work tirelessly to provide patients and their families with education, health, and healing through comprehensive physical therapy. Our hands-on therapy caters to your unique needs to ensure the root causes of your condition are addressed. We create a plan with you to restore function, movement, and get you back to the things you love.
We offer personal physical therapy sessions, advanced diagnostic testing such as Musculoskeletal Ultrasound (MSKUS), Nerve Conduction Studies and Electromyography (EMG) as well a Therapeutic Massage and Class IV Deep Tissue Laser Therapy. Contact our knowledgeable staff to learn more about your healing options, or to schedule an appointment.
Bay Area Physical Therapy & Diagnostics in Pleasant Hill, CA is a sister location to Lafayette Physical Therapy & Diagnostics. Both locations are owned and operated by the same amazing team! The company is local, woman-owned, and dedicated to the health of our community. Our common goal is to provide exceptional physical therapy, therapeutic massage, wellness services, and Diagnostic Testing.
Services We Provide
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Orthopedic Rehabilitation
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Neurological Rehabilitation
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Post-Surgical Or Post-Injury Rehabilitation
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Pre-Surgical Strengthening and Conditioning
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Senior Conditions
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Pelvic Health Therapy
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Vestibular Therapy
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Sports Conditioning & Rehabilitation
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Therapeutic Massage
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Class IV Deep Tissue Laser Therapy with Lightforce Therapy Lasers
Our Latest Blogs
Physical Therapy Tips for Using Canes and Walkers
Navigating daily life with a cane, walker, or crutches can feel overwhelming at first, but the right guidance can make all the difference. Whether you’re recovering from surgery, managing an injury, or simply looking to improve your mobility, knowing how to choose and use an assistive device properly is key to staying safe and independent.…
Is Pain Interrupting Your Workouts? Try Physical Therapy First
We’ve all heard the saying, “No pain, no gain!” But exercise should help you feel strong, energized, and empowered—not leave you in pain for days afterward. If you’re dealing with recurring aches, joint discomfort, or sharp pain during or after workouts, your body might be telling you something important. At Bay Area Physical Therapy, we…
Breathing Tips to Prevent Exercise Pain from a Physical Therapist
Are you struggling with muscle pain or tension during exercise? Your breathing technique could be the culprit. Proper breathing mechanics help optimize oxygen flow, reduce strain, and improve performance. I’m Lauren Masi, Doctor of Physical Therapy and Board Certified Orthopedic Clinical Specialist. I’m also the owner and Clinical Services Director of Bay Area Physical Therapy…
How Physical Therapists Find the Cause of Numbness and Pain
Have you ever experienced unexplained numbness, tingling, or deep aching pain? These symptoms can be frustrating, especially when they don’t seem to have an obvious cause. That’s why a thorough evaluation is key to pinpointing the source of your symptoms. I’m Lauren Masi, Doctor of Physical Therapy and Board Certified Orthopedic Clinical Specialist. I’m also…
Why You Might Be Dizzy When You Stand & How PT Can Help
Have you ever stood up too quickly and felt the room spin, or found yourself grabbing for a wall to steady yourself? Occasional dizziness might seem harmless, but if it’s happening regularly, it could point to an underlying issue that needs attention. At Bay Area Physical Therapy, we often work with patients who experience dizziness,…
Why See a Physical Therapist After a Sports Injury
If you’ve ever been sidelined by a sports injury, you know how frustrating it can be. Many athletes assume they need to see a doctor first or wait for an MRI, but that delay could cost you valuable recovery time. But did you know you can come straight to a physical therapist for diagnosis to…
How Physical Therapy Supports Better Sleep & Reduces Pain
Have you ever noticed how pain seems to feel worse at night? Or how a restless night of sleep leaves you even more achy the next morning? You’re not imagining it. Sleep and pain are closely connected; and when one suffers, the other usually does, too. At Bay Area Physical Therapy, we see this pattern…
Health Tips for New Mothers from a Physical Therapist
Bringing a new life into the world is an incredible journey, but it also comes with significant changes to your body—many of which aren’t talked about enough. As a new mother, you might experience aches, pains, or challenges that leave you wondering, “Is this normal?” While some postpartum symptoms are common, that doesn’t mean you…
How to Improve Balance & Coordination with Physical Therapy
Have you been feeling a little unsteady lately? Maybe you’ve noticed it takes more effort to climb stairs, or that you hesitate when walking across uneven ground. These small changes can be early signs that your balance and coordination need attention. At Bay Area Physical Therapy, we work with people every day who are dealing…
Posture Self-Check: Tips for Good Posture from a Physical Therapist
Good posture is more than just sitting up straight—it plays a crucial role in preventing pain and keeping your body balanced. Many of us spend long hours sitting, whether at a desk or on a couch, which can lead to posture-related issues over time. But if you know how to improve your posture, you can…

