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.

Karina-NunezKarina Nuñez

Front Office Manager

Karina completed her undergraduate career at the University of California, Berkeley in Integrative Human Biology. She aspires to attend medical school to obtain her doctorate in Sports Medicine. She has explored a range of opportunities from assisting in research, teaching and working throughout the scope of sports medicine.

Karina is also fluent in Spanish. Being raised in the North Tahoe region, she enjoys the outdoors and you can often find her on the slopes, trailheads, in the gym, and at different widespread events throughout the globe!


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.



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. 



Morgan Gilfillan, MS, ATC, NASM-CES Morgan Gilfillan, MS, ATC, NASM-CES

Athletic Trainer

Morgan earned her Master’s in Kinesiology, emphasis in Sports Performance, from Point Loma Nazarene University. Simultaneously, she worked as the Graduate Assistant Athletic Trainer with the football, softball, and cheer programs at the University of San Diego. Prior to PLNU, she attended San Diego State University and earned her Bachelor of Science degree in Athletic Training. Her experience includes working at the NCAA Division I and II collegiate settings as well as an orthopaedic clinical setting. Her clinical skills include PNF, IASTM, corrective exercise, and myofascial decompression. She enjoys getting creative with functional exercises to help people reach their fitness and rehabilitation goals.
Morgan is a Bay Area native and is excited to be back and closer to her family. She also loves spending time outdoors, working out, and hanging with her pup, Porter. 

Allison Dastugue, PT DPTAllison D. Furcolo PT DPT

Doctor of Physical Therapy

Allison earned her Doctor of Physical Therapy degree from George Washington University in 2018. Prior to her PT schooling, she attended the University of Virginia where she earned her Bachelor of Science degree in Kinesiology. She has completed continuing education courses through Maitland-Australia Physiotherapy Seminars and Evidence in Motion which have contributed to her successful treatment of a variety of orthopaedic conditions in the Physical Therapy field. Allison believes strongly in combining evidence-based practice with personalized care to help her patients reach their personal goals.
Allison is a New Orleans native but is excited to now call the Bay Area home. Outside of the clinic, she enjoys hiking, traveling, and exploring San Francisco with her dog, Brees.

Olivia Arrabit, EMT-BOlivia Arrabit, EMT-B

Medical Assistant

Olivia completed her Bachelor's of Science in Biological Sciences with a minor in Applied Psychology at University of California, Santa Barbara. She is a certified EMT-B and works on an ambulance in San Francisco when she is not working at the clinic. Olivia plans to attend physician assistant school with the hopes of eventually working in emergency medicine, surgery, or primary care. She is passionate about community service and aspires to be able to provide high-quality medical care to underserved populations and communities in the future. Olivia was born and raised in the East Bay Area and loves to hike, swim, camp, and kayak in her free time! 



Vianna Yang Stone ClinicVianna Yang

Front Desk Coordinator 

Vianna is a San Francisco native and attended  Cal Poly, San Luis Obispo to earn her bachelor's of science in biology with a minor in psychology. She is interested in the fields of regenerative medicine and genetics and hopes to attend graduate school in the future to obtain a master’s degree in genetic counseling. In her free time, she likes to play badminton, go on nature walks, and work out. She is also fluent in Cantonese and Mandarin Chinese.



Ahna Kay  The Stone ClinicAhna Kay, EMT-B

Medical Assistant 

Ahna completed her undergraduate degree at the University of California, Santa Barbara in Biological Sciences and has worked as an EMT in the San Francisco area. She aspires to attend physician assistant school to eventually practice in Sports Medicine or Pediatrics. She enjoys running, skiing, and hiking around the Bay Area.


Ahna Kay  The Stone ClinicTiffany Tan 

Patient Coordinator 

Tiffany graduated from University of California San Diego, earning her Bachelor's of Science in Public Health. She is passionate about patient care and aspires to further her career in the health field. 

She is a Bay Area native and enjoys walking her dogs around all of the parks in San Francisco (especially Land's End). 


Ahna Kay  The Stone ClinicYasmin Shamloo 

Medical Scribe 

Yasmin completed her undergraduate education at the University of California, Davis in Global Disease Biology and is currently attending the University of San Francisco for her Master's in Public Health. Following her master's program, she plans to pursue a career as a Physician's Assistant in the field of pediatric sports medicine with an emphasis on preventative care. 

Yasmin is also fluent in Farsi. As a Bay Area native, she enjoys exploring new beaches, going on long hikes, skiing, and spending time outdoors with her friends and family. 


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.

Back to Treatment Guides

Download a Guide to our Ankle-Saving Procedures
Explore all your options. Learn about procedures that can help you return to sports & delay or avoid ankle fusion/replacement.