The Spine Specialist's Team


Dr. Louis N. Radden, D.O.

Reconstructive Spine Surgeon

Dr. Louis N. Radden, DO, of Spine Specialists of Michigan is an expert in the diagnosis and treatment of complex back and spine conditions. Dr. Radden uses both surgical and non-surgical solutions to manage complex spinal problems, and for patients with chronic pain, he is also an expert in pain management.

While Dr. Radden uses state-of-the-art solutions to treat complex conditions and injuries to the spine and musculoskeletal regions, he begins with the tried and true approach of listening to and spending time with each patient to understand symptoms and concerns before making a diagnosis and treatment plan.

Dr. Radden has been practicing in Michigan since 2006 and is Board Certified in Osteopathic Medicine and Surgery.


  • Michigan State University College of Osteopathic Medicine
  • University of Medicine and Dentistry of New Jersey: Orthopedic Surgery
  • Duke University/Duke University Medical Centers: Orthopedic/Neurosurgery Spine Fellowship
  • Diplomat of National Board of Osteopathic Medical Examiners
  • Member, American Board of Osteopathic Orthopedic Surgeons
  • Member, Michigan Board of Osteopathic Medicine and Surgery
bagley photo

Dr. Michael C. Bagley, D.O.

Orthopedic Surgeon

Dr. Bagley, in private practice with Spine Specialists of Michigan, is a Board-certified orthopedic surgeon specializing in knee and shoulder procedures. A graduate of Des Moines University College of Osteopathic Medicine, he completed a rotating internship and an orthopedic residency at Mt. Clemens General Hospital, followed by a fellowship in orthopedic surgery at the Lake Tahoe Orthopedic Institute.

In addition to his Michigan license, Dr. Bagley maintains active licenses in Arizona, Colorado, and Nevada.  Performing sports medicine and partial and total joint replacement surgeries, he utilizes latest technology and techniques to reduce recovery time and enhance outcomes.

gary gilyard pic

Dr. Gary Gilyard, M.D.

Orthopedic Surgeon: Board Certified, Orthopedic Sports Medicine, Fellowship Trained

Dr. Gary Gilyard M.D. is an Orthopedic sports medicine fellowship trained specialist.  He treats complex shoulder, knee, ankle, limb malalignment and articulate cartilage lesion problems.  Each and every patient is carefully listened to then a specific treatment plan is formulated whether operative or non-operative to address every problem


  • Wesleyan University ( BA liberal arts)
  • Tufts Univ Medical School (M.D)
  • George Wash Univ ( Ortho residency)
  • New York Univ. ( Sports Fellowship)

Provided coverage for:

  • NY Islanders ( NHL)
  • NJ Devils. ( NHL)
  • NJ Nets (NBA)
  • George Wash Univ Men’s basketball
  • NYU athletics
  • Detroit Country Day athletics
  • Former head coach Michigan Spartans
  • Girls AAU basketball 12 years
dr taj re sized

Syed Tajuddin M.D., M.P.H.

Medical Spine, Pain Management, Fellowship Trained.

Syed Tajuddin M.D., M.P.H. completed his residency at the prestigious University Hospitals Case Medical Center Case Western Reserve University School of Medicine in Cleveland, Ohio. He also did additional training in Head and Neck Cancer, Radiation Oncology and Pain Management at Henry Ford Hospital in Detroit, MI and University Hospitals Case Western Reserve University School of Medicine.

He has worked extensively with Dr. Salim Hayek at University Hospitals Case Medical Center Pain Management on several clinical trials looking at combination trialing at Cleveland Clinic and University Hospitals in patients with failed back surgery syndrome (FBSS) who were implanted with bupivacaine/hydromorphone and who were all trialed from the beginning with continuous catheter trial using bupivacaine/hydromorphone. The purpose of this is to highlight/improve evidence for combination trialing.

He completed the National Institute of Health Advanced Research Fellowship in Head and Neck Cancer at the University of Michigan University Hospitals Department of Otolaryngology Head and Neck Surgery in Ann Arbor, Michigan.

Dr. Tajuddin is involved in outcome research which was started during his time at The Cleveland Clinic Foundation and has authored numerous publications in peer review journals, textbook chapters and presented his research at American Medical Association’s National Meeting.

Dr. Tajuddin has his Master of Public Health in Healthcare Administration and Policy from Case Wester Reserve University School of Medicine. He is also a Lean Sigma Certified Physician Practitioner. Dr Tajuddin received additional training in Medical Spine at The Cleveland Clinic Foundation with Dr. Edward Benzel. Dr Tajuddin’s primary focus is in Medical Spine and Pain Management.

adrienne vassallo

Adrienne Vassallo, NP-C

Nurse Practitioner

Adrienne Vassallo is a Nurse Practitioner board certified through the American Academy of Nurse Practitioners as of March of 2021. She received her Bachelor of Arts degree from Kalamazoo College majoring in Biology in 2011, her Bachelors of Nursing degree from Kent State University in 2016, and her Masters of Science in Nursing degree within the Adult Gerontology Primary Care NP program from Eastern Michigan University in 2020.

Prior to joining our team, Adrienne worked at University of Michigan Hospital for the past 10 years; 5 years as a Perioperative Technician and Anesthesia Technician and the most recent 5 years as a General Medicine Telemetry Registered Nurse specializing in Oncology care.

Adrienne comes to our team with enthusiasm for orthopedic patients stemming from her background in collegiate swimming. She approaches her patients in a holistic manner with focus on evidenced-based care and promotion of independence.

dima sprague

Dima Sprague, PA-C

Physicians Assistant

Dima Sprague is a certified Physician's Assistant. She graduated Summa Cum Laude with a Bachelor of Science in Biomedical Science with a minor in Chemistry in 2007 and completed a Master of Science in Medicine, Physician Assistant in 2012 from Western Michigan University, Kalamazoo, Michigan. Dima specializes in Orthopedic Sports Medicine and has worked with Dr. Gilyard for the last seven years.

mital bio

Mital Tamakuwala, PT, DPT

Physical Therapist

Mital Tamakuwala is a licensed physical therapist. She completed her Bachelor of Physical Therapy in 2002 at M.S. University, India and completed a Doctorate in Physical Therapy in 2016 at Utica College, NY. Prior to joining our team Mital worked at an outpatient Physical Therapy Clinic in Ypsilanti, MI. She also worked overseas as a clinical instructor and rehab director. Mital enjoys running, hiking, and spending time with her husband.

gino bio

Gino Liao, PTA

Physical Therapist Assistant

I am a Physical Therapist Assistant and I love to help people any way I can. I graduated from Baker College in Allen Park, MI. Prior to joining the Spine Specialists, I spent six years of my career in a Neuro outpatient clinic, and four years in skilled nursing facilities around the metro Detroit area. Outside of my passion for physical therapy, I practice martial arts and enjoy nature photography. I am excited to join the Spine Specialists of Michigan and help our patients reach their goals!