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At Santa Rosa Memorial Hospital's Spine Center, we believe in using the most advanced interdisciplinary approaches when diagnosing and treating disorders of the neck, back, and spinal cord. Our innovative surgical and non-surgical interventions are recognized throughout Sonoma County and Coastal Northern California as some of the most advanced in the region. These cutting-edge treatments allow us to provide care for a wide range of spine disorders in adults of all ages.

The spine involves muscles, bones, and ligaments and is the most complex bone/joint system in the body. Because of this complexity, our expert team of neurosurgeons and orthopedic surgeons work together to create a personalized treatment and rehabilitation program uniquely designed for your treatment needs.

Santa Rosa Memorial Hospital is the only hospital north of San Francisco that is outfitted with Medtronic’s Stealth-Station navigation and O-arm intra-operative imaging systems, which enable the surgeon to scan a patient’s spine during surgery and perform live, 3-D navigation for placement of spinal hardware.

As part of your treatment plan, we also provide a team of physical therapists, occupational therapists, and rehabilitation experts to give you the best, most advanced care possible.

If you are suffering from neck or back pain, let us show you how today’s variety of innovative treatment interventions can help to get you back on your feet and start feeling great again.

Free Online Class: Learn More and Prepare for Surgery

We are dedicated to providing spine surgery with the best possible outcomes and the fastest return to a productive life. In keeping with this goal, we offer a preoperative training class—currently offered virtually online—where you’ll learn what the surgery involves, how to prepare for surgery and what to expect after surgery. Whether you’re thinking about a spine procedure or you’re scheduled for surgery, we encourage you to attend our class.

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Conditions Treated

We offer treatment for a wide range of conditions, including:
  • Sports injuries
  • Workplace injuries (worker's compensation)
  • Lower back issues
  • Tendonitis
  • Whiplash
  • Arthritis

Surgical Procedures

Certain spine surgeries performed at Santa Rosa Memorial Hospital’s Spine Center may be done using a minimally invasive approach. Minimally invasive spine surgery provides similar outcomes as traditional spine surgery, but because the incision is smaller, postoperative pain tends to be decreased, and recovery time is usually faster. Your surgeon will talk to you about whether you are a candidate for minimally invasive spine surgery.

The following are some of the surgical procedures in which our surgeons specialize:

  • Anterior cervical discectomy and fusion
  • Anterior cervical corpectomy
  • Cervical laminectomy
  • Cervical foraminotomy
  • Cervical disc replacement
  • Thoracic laminectomy
  • Lumbar fusion, laminectomy and discectomy
  • Anterior Lumbar Interbody Fusion (ALIF)
  • Midline Lumbar Fusion (MIDLF)
  • Transforaminal Lumbar Interbody Fusion (TLIF)
  • Posterior Lumbar Interbody Fusion (PLIF)
  • eXtreme Lateral Interbody Fusion (XLIF)

Physical Therapy, Rehabilitation and Education

Whether your concern is back or neck pain, post-operative rehabilitation, or a repetitive-motion injury, our team of experienced therapists is here to get you on the move in a supportive atmosphere. Improvements in pain medication now enable in-patient physical therapy to take place within hours of surgery. Out-patient therapy can begin just days later.

Treatments offered include:

  • Aquatic therapy
  • Hand therapy
  • Neurosurgical treatments
  • Manual therapy
  • Sports rehabilitation
  • Pain management

Our state-of-the-art equipment includes:

  • FreeMotion Selectorized Dual Cable Cross
  • Nautilus Freedom Trainer
  • Pilates Reformer
  • Plyometric Rebounder
  • Recumbent Bike
  • Treadmill
  • Elliptical Trainer


St. Joseph Health Physical Therapy
(orthopedic and sports medicine)
1255 N. Dutton Ave., Suite B
Santa Rosa, CA 95403
(707) 542-4704

St. Joseph Health Outpatient Physical Therapy
(orthopedic, sports medicine, aquatic therapy, hand therapy)
131 B Stony Circle, Suite 2000
Santa Rosa, CA 95401
(707) 542-4704

West Sonoma County Hand and Physical Therapy Clinic
968 Gravenstein Hwy S.
Sebastopol CA. 95472
(707) 824-8018

Patient Education and Resources

Our Team

Our Spine Center is run by an expert team of highly skilled and extensively trained neurosurgeons and orthopedic surgeons, whose use of state-of-the-art surgical interventions and equipment has resulted in excellent patient outcomes.

Recognized as a Blue Distinction Center for Spine Surgery by Blue Shield of California, we pride ourselves on our high rate of surgical success and low rate of complications.

Please take a moment to meet our team of surgeons:

Christian Athanassious, M.D.

Orthopedic Surgeon

Dr. Christian Athanassious is a board-certified spine surgeon who specializes in conditions of the spine. An advocate of the whole-body medical approach to treating patients, Dr. Athanassious completed his undergraduate degree in Psychology from UC Davis with the intention of pursuing his medical doctorate. With a thorough background in psychology, Dr. Athanassious never loses sight of the mind and body connection when considering the best treatment for his patients.

Dr. Athanassious received his medical degree from the Drexel University College of Medicine. He then completed his orthopedic residency at Monmouth Medical Center in Long Branch, New Jersey, and was selected to serve as the Chief Resident in his final year. Dr. Athanassious went on to complete his spine fellowship at Stanford University. Dr. Athanassious is a member of the American Academy of Orthopedic Surgery, North American Spine Society, and the Society of Lateral Access Surgery.

Dr. Athanassious was born in Scotland, raised in the U.S., and has been a longtime resident of California. He is married and enjoys many physical activities including mountain biking, skiing, martial arts, and running.

Kurtis Birch, M.D.


Dr. Kurtis Birch is a board-eligible neurosurgeon with St. Joseph Health Medical Group. Dr. Birch has interests in general neurosurgery and spinal surgery, including spinal instrumentation. He has a specific focus on pituitary tumors and surgical treatments for movement disorders.

Dr. Birch graduated with a medical degree from Boston University and then completed his residency in Neurologic Surgery at Cedars-Sinai in Los Angeles, CA.

Dr. Birch enjoys playing golf and working on his muscle car. He grew up in Utah and attended the University of Utah prior to moving to Boston for medical school.

Giac Consiglieri, M.D.


Dr. Giac Consiglieri is a board-certified neurosurgeon with St. Joseph Health Medical Group, and the Director of Neurosurgery and Neurotrauma at Santa Rosa Memorial Hospital. In addition to general neurosurgery, his specialty interests include cranial surgery for brain tumors as well as spine trauma. Dr. Consiglieri believes in a multispecialty approach to the treatment of the degenerative spine with an extremely conservative approach to surgical decision making.

Dr. Consiglieri graduated with his medical degree from the University of Southern California. He completed both his residency training in Neurological Surgery and infolded fellowship in Spine Trauma and Complex Spinal Instrumentation at the Barrow Neurological Institute in Phoenix, AZ. Dr. Consiglieri is a member of the Congress of Neurologic Surgeons, and upon board-certification, the American Association of Neurologic Surgeons.

When Dr. Consiglieri is not seeing patients or in the OR, he enjoys spending time with his wife and young daughters, as well as mountain biking. He was raised in Santa Rosa and has returned home following his years away for school and training.

Rasha Germain, M.D.


Dr. Germain is a board-eligible neurosurgeon who specializes in cranial and spinal tumors, and complex spinal disease. She grew up in Southern California and attended the University of California, Los Angeles, then graduated from the University of Southern California with a degree in Medicine. She completed her internship in Surgery at Banner Good Samaritan Hospital in Phoenix and her residency in Neurosurgery at the Barrow Neurological Institute. Dr. Germain had a successful private practice in Spokane, Washington as a member of a seven surgeon group, serving a large regional medical center before relocating to Santa Rosa.

Dr. Germain is a member of the following professional health organizations, including the Congress of Neurological Surgeons and Sonoma County Medical Association

Alexander Iezza, M.D.

Orthopedic Surgeon

Dr. Alexander Iezza is a board-certified orthopedic surgeon who specializes in conditions of the spine, including minimally invasive lumbar fusion surgery and microdecompression surgery.

Dr. Iezza graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science, where he was an elected member of Alpha Omega Alpha Honor Medical Society, a professional medical organization that advocates excellence in scholarship and the highest ideals in the medical profession. Dr. Iezza completed his residency in orthopedic surgery at Stanford University and a fellowship in spine surgery at St. Mary's Medical Center in San Francisco. During his fellowship, he served as clinical instructor in the Department of Orthopedic Spine Surgery at Stanford University.

Dr. Iezza was born and raised in Petaluma. In his free time, he enjoys spending time with his family, mountain biking, and participating in other outdoor activities.

Insurance Accepted

Knowing your coverage options is important. Here’s a list of the most popular coverage options:

HMO and Point of Service (POS) Plans

  • Aetna
  • Blue Cross
  • Blue Shield
  • Cigna
  • Health Net
  • PacifiCare
PPO Plans
  • Aetna
  • AMBR
  • BCE Emergis
  • Benefit Risk Management Services
  • Blue Cross
  • Blue Shield

View all insurance plans.

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