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Treatment Team

All of us at The Stone Clinic share a core philosophy: a dedication to your well-being.

You’ll find that each of us brings a unique skill set to your treatment. We always take the time to listen, understand and explain carefully.

san-fransciscoAnn W. Walgenbach, RN, FNP, MSN, RNFA, ON

Nurse Practitioner

Ann has worked with Dr. Stone since April 1992 as a nurse practitioner, surgical assistant, and clinical researcher. She attended the UCLA Graduate School of Nursing and has been a registered nurse for more than 30 years. Prior to joining The Stone Clinic, Ann worked at the UCLA Medical Center where she experienced a wide range of medicine including five years in critical care. Ann has two rough-and-tumble sons, Jake and Joe, a funny husband, and lots of animals.

kamieJamie Gibeaut, NRCMA, LXT, ABOC, NCLC

Senior Practice Administrator

Jamie has an extensive background with medical insurance billing and coding within a surgical private practice, in addition to having clinical experience as a certified medical assistant. She studied Business Management at Trident Technical College and received her Medical Assistant Degree from Centura College, both in Charleston, SC. Jamie spent eight years in Charleston working with ophthalmic surgeons and optometrists, but she is very excited about the transition to the field of sports medicine. As a newcomer to the Bay Area, Jamie loves exploring the city, traveling, surfing, and enjoying all of the outdoor activities that San Francisco has to offer.

Shannon-C-MurphyAmirah Farr, MA

Surgical Coordinator

Amirah Farr is a Surgical Coordinator with over a decade of successful experience in industries such as health, HR, education and customer service. Amirah is a Medical Assistant who is currently finishing an Associate Nursing Degree with plans to ultimately practice as a Midwife. Amirah specializes in office administration and providing world-class customer service.

Amirah has coached cheerleading, gymnastics, and dance for over 17 years, teaching and making a difference in the lives of youth. 

Shannon-C-MurphyPaige Zebrowski 

Patient Consultation Coordinator

Paige helps patients from outside of the Bay Area get connected with Dr. Stone for a complimentary phone consultation. She recently graduated from San Francisco State University with a BS in Kinesiology- emphasis in Social Science. Her love for fitness and helping others has inspired her to pursue a career in Physical Therapy.

She is also passionate about giving back to her community by volunteering at various hospitals throughout San Francisco. Along with volunteering, she also enjoys running in Golden Gate Park, practicing yoga, and trying new food in the city. 

Shadera-SlatterShadera Slatter

Medical Scribe/Transcriptionist

Shadera completed her undergraduate education at the University of San Francisco with a Bachelor's of Science degree in Biology. She is currently continuing her education at UC Berkeley's pre-health post-bachelorette program with the goal of attending medical school. Although she is still deciding to which field she would like to specialize in, Shadera would love to work with those of underserved communities–especially worldwide.

In her free time, she enjoys volunteering as a medical assistant at the San Francisco Free Clinic. Outside of her medical education, Shadera loves to rock climb, hike, and travel with the hopes of one-day traveling to every continent.  

mark colemonMark Coleman, R.T. (R)

Radiology Technician

As head of our X-Ray and MRI Departments since 1994, Mark is responsible for all of the images taken at The Stone Clinic, and he consistently obtains high-quality images to aid in the proper diagnosis of our patients. Mark handles all of the shipping and receiving for the Clinic as well. Mark graduated in 1993 from City College of San Francisco with an AS degree in diagnostic medical imaging. In addition, Mark is a talented artist, and his work is proudly displayed at The Stone Clinic.

stephanieStephanie Adams Gleason, DPT, OCS

Physical Therapist

Stephanie completed her graduate degrees at UCSF for both a Masters and Doctorate of Physical Therapy. She did her undergraduate studies at UCLA achieving a Bachelor of Science degree in Physiological Sciences and a minor in Art History. While at UCLA, she completed their three-year Sports Medicine Program and sailed on the collegiate varsity team.

Stephanie continues to take continued education courses to stay on top of the manual therapy field with Maitland-specific training. She enjoys motivating and challenging her patients to improve physically, while supporting their personal growth as they return to an elevated quality of life.

Stephanie is an animal lover and enjoys staying active with rock climbing, sailing, soccer, snowboarding, hiking and running. She is proficient in Mandarin and Spanish. Stephanie is an active member of the Treasure Island Sailing Club and plays in a competitive adult soccer league.

Tyler ArfordTyler Arford MA, ATC, CSCS

Certified Athletic Trainer

Tyler earned his Master's in Kinesiology: Athletic Training at San Jose State University and his undergraduate degree in Kinesiology: Athletic Training from San Diego State University. His experience includes working at the NAIA, NCAA Division I and II collegiate sports medicine settings. His clinical skills include PNF, IASTM, myofascial decompression and manual therapy. 

Tyler is also a Certified Strength and Conditioning Coach and enjoys creating full body engaging strength programs.  He is passionate about caring for people and finding ways for them to continue to excel physically and personally.

In his free time, Tyler enjoys camping, hiking, reading, live music, yoga, strength training and playing soccer. 

Katerina-SalsmanKaterina "Kat" Salsman 

Personal Trainer/PT Aide

Kat Salsman earned her Bachelor's of Science in Exercise Physiology at SFSU and Master's of Fine Art from the Academy of Art University. She has been a Bay-Area personal trainer for the past ten years with specialization in Fitness Nutrition and Group Fitness. Using her background in post-therapy exercise, Kat's aim at The Stone Clinic is to motivate and help patients meet and excel their fitness goals. 

Outside of the clinic, Kat enjoys painting, running and is an avid nature enthusiast. Be sure to enjoy her beautiful sketches in the treatment rooms which integrate her passion for nature and the physical form. 

Shannon-C-MurphyShannon C. Murphy, ATC

Certified Athletic Trainer

Shannon earned her Master’s Degree in Education (Emphasis in Exercise science) from Campbell University where she worked as a Graduate Assistant Athletic Trainer with the women’s volleyball and men’s/women’s track and field programs. Prior to Campbell, she attended CSU Fresno and earned her Bachelor of Science degree in Athletic Training. Shannon enjoys incorporating functional sport and activity specific approaches to each physical therapy session.  

Shannon is a Bay Area native and loves spending time enjoying San Francisco or heading to Lake Tahoe with family and friends. 

thomas turekThomas Turek

Senior Scientist

Thomas focuses his research on orthopedics, biomaterials and product development. Prior to his affiliation with The Stone Clinic, he served with Genetics Institute of Cambridge Massachusetts and Massachusetts Institute of Technology’s Department of Chemical Engineering. Research publications include bone graft substitutes and advanced research into growth factor delivery for orthopedic, oral and maxillofacial indications. Thomas is also contracted to Stone Research Foundation where he directs a cartilage shell graft + stem cells study which may offer the world’s first minimally-invasive total biologic joint replacement.

john v cruesJohn V. Crues, III, MD


John V Crues, III, MD, is a world-renowned radiologist, and he plays a significant role as a musculoskeletal specialist for many of The Stone Clinic’s patients. Dr. Crues received his MD at Harvard University, completed his internship at the University of Southern California in Internal Medicine, and completed a residency at Cedars-Sinai Medical Center in Internal Medicine and Radiology. He has authored numerous publications while continuing to actively participate in radiological societies such as the Radiological Society of North America, American College of Radiology, California Radiological Society, the International Society for Magnetic Resonance Medicine and the International Skeletal Society. Dr. Crues currently has ongoing research projects in orthopedic and rheumatologic MRI. He has published over 100 articles, 20 textbook chapters, and eight textbooks in the medical literature.