About Health & Human Performance

At Health & Human Performance (HHP) in Woodland Hills, CA, Dr. Cobey and her staff of experts are armed with knowledge, experience, and additional certifications in sports medicine, rehabilitation, and lifestyle wellness. You can say goodbye to back & neck pain, sciatica issues, and that lingering knee pain.

Patients who choose to receive chiropractic treatment with our staff will receive top-quality care to help them recover and reach their optimal health. Click the links below to learn more about our team.

Be Amazing!

Meet the Doctors

Meet the Massage Therapists

Meet the Yoga Therapist

Meet the Pilates Instructor

Dr. Tanya Cobey D.C. CCSP

Chiropractor

Meet Dr. Tanya Cobey, an esteemed chiropractor with an impressive background in the field of healthcare. She earned her doctorate from Cleveland Chiropractic College Los Angeles and holds a Bachelor of Science degree in Human Biology.

She has pursued advanced training in sports injury and corrective care, earning her certification as a Chiropractic Sports Physician, C.C.S.P. She specializes in a range of techniques including manual adjustments and mobilization, Graston Technique®, Kinesio-taping®, and Functional and Kinetic Treatment with Rehab (FAKTR®). Her expertise has led her to actively participate in various sporting events such as the Conejo Valley Triathlon, the Drew Brees Celebrity Golf Tournament, and the Regional Cross Fit Games in San Diego, CA.

Dr. Cobey offers a wide range of professional services tailored to address neuromusculoskeletal dysfunction. Her approach includes chiropractic treatments, functional assessments, physical rehabilitation, orthopedic and neurological examinations, diagnostic procedures, soft tissue therapy, strength training, and exercise rehabilitation.

As a dedicated professional, Dr. Cobey maintains memberships in prestigious organizations such as the California Chiropractic Association, American Chiropractic Association, and the American Chiropractic Board of Sports Physicians. Her commitment to excellence ensures that you receive exceptional care and support throughout your wellness journey.

Read Dr. Cobey’s interview in Shoutout LA.

Health & Human Performance Chiropractic Blog Dr. Ryan Raymond

Dr. Ryan Raymond, D.C

Chiropractor

Dr. Ryan Raymond graduated from Southern California University of Health Sciences’ Los Angeles College of Chiropractic in 2022, earning his Doctorate of Chiropractic degree with honors. Prior to chiropractic college, he earned a Bachelor of Science degree in Exercise Science from California Lutheran University in 2019.

Dr. Ryan strives daily to provide his patients with the best quality care possible, offering several effective, evidence-based techniques and services to address neuromusculoskeletal dysfunction. These include neurological and orthopedic examination, diagnostic and biomechanical assessment, manual chiropractic adjustments and mobilizations, soft-tissue therapy, functional/rehabilitative exercise, active/passive stretching, TMJ therapy, and Class IV Laser therapy.

During his professional career, Dr. Ryan has worked with a wide array of patients, including pregnant individuals, pediatric patients, athletes, the elderly, and many others. His approach to care ensures that each patient, regardless of age, receives specialized treatment tailored to their individual goals and needs.

MASSAGE THERAPISTS

Tom

Tom is a highly skilled massage therapist who graduated from the Advanced School of Massage Therapy in 2002. With a lifelong athletic background, he understands the benefits of massage therapy for recovery and injury healing. Tom stays up to date with continuing education courses in massage and manual therapy, specializing in techniques such as sports massage, deep tissue massage, and therapeutic cupping.

His goal is to help clients improve body awareness and focus on recovery. Tom has extensive experience working with clients of all ages and backgrounds, including runners, cyclists, triathletes, and MMA fighters. In his free time, he enjoys weightlifting, hiking, cycling, Jiu-Jitsu, and boxing. Choose Tom for a deep therapeutic massage that enhances performance and aids in recovery.

Lacey

Lacey is a professional massage therapist who has been practicing since 2018. Specializing in Deep Tissue, Swedish, Pre-Natal, Reflexology, Assisted Stretching, Gua Sha, and Therapeutic Cupping, Lacey is dedicated to providing personalized care to each client. Inspired by her own experience with Meniere’s disease, which led to significant relief through therapeutic massage, she became passionate about helping others achieve similar healing and wellness. She focuses on pain relief, improving mobility, and promoting overall well-being by combining various techniques to facilitate lasting results

In her free time, Lacey enjoys hiking, yoga, and martial arts, which help her maintain balance and physical vitality. She is always learning and expanding her knowledge to further enhance her practice, ensuring she provides the best possible care for her clients.

James

James is a licensed massage therapist with more than 20 years of experience helping clients improve their health, mobility, and quality of life through therapeutic bodywork. His areas of expertise include medical massage, sports therapy, and deep tissue massage, with a focus on pain relief, injury recovery, performance enhancement, and overall wellness.

Throughout his career, James has worked with a diverse range of clients, from athletes seeking to optimize performance and recovery to individuals managing chronic pain, injuries, and everyday physical stress. He believes in creating personalized treatment plans tailored to each client’s unique needs and goals.

Known for his professional approach, strong therapeutic skills, and commitment to client care, James is passionate about helping people move better, feel better, and achieve lasting results through massage therapy.

Alissa Mathewson

Certified Yoga Instructor & Office Manager

Alissa is an integral part of the Health and Human Performance team, bringing over 2 decades of management experience and a background in yoga instruction since 2012. Her journey into yoga began in 2008 when she sought its benefits for stress-related shingles. Inspired by its positive impact, she obtained her 200-hour Yoga Teacher Training Certificate in India. Alissa has since taught various yoga styles, including Hatha, Restorative, Vinyasa, Limited Movement, and Prenatal yoga, both in group and private settings. She has also worked with diverse populations, including foster care youth and individuals with addiction, eating disorders, chronic pain, and dual diagnoses.

Alissa specializes in Trauma-Informed Yoga, aiding those with trauma, PTSD, and high anxiety. Since 2014, she has been helping patients at Health & Human Performance, focusing on rehabilitating injuries and promoting proactive health practices. In 2021 Alissa became a Certified Hypnotherapist and in 2024 a Clinical Hypnotherapist. She uses gentle, client guided visualization and works with the subconscious mind to clear negative core beliefs and remove blockages holding you back from your truest self. Her specialities are: Pain Management, Inner Child work, and clearing trauma.

Alissa’s belief is that by nurturing our bodies and minds, we can enjoy life to the fullest.

Yoga Therapist - Alissa Mathewson, About

Reformer Pilates Private Pilates Health & Human Performance Chiropractic Blog

PILATES INSTRUCTOR

Andrea

Born and raised in Southern California, Andrea has been a Pilates enthusiast for 15 years. After many years of practicing Pilates and seeing her own body transform, and realizing the overall benefits, Andrea wanted to share Pilates with others. In 2019, she deepened her practice and received a comprehensive certification through Pilates Sports Center.

As an instructor, Andrea teaches the classical repertoire of Joseph Pilates fused with contemporary exercises. Andrea’s educational training and deep understanding of the fundamentals of Pilates allow her to recognize the importance and quality of instruction.

She enjoys working with clients during private training sessions focusing on form, and body awareness. Whether it’s self practice or teaching, Andrea finds joy in Pilates and her goal is to encourage her clients to feel that same love for pilates that she continues to have.

For Andrea, the most fulfilling part of being an instructor is helping clients discover the strength of their own body and helping to improve their quality of life through healthy movement.