Ryan Kretzer, MD

Neurological Surgery

Patient Satisfaction Survey

Overall Satisfaction
4.8 out of 5
76 Ratings

Ryan Kretzer, MDDr. Kretzer is a Neurosurgeon and Partner at Western Neuro.  Dr. Kretzer serves as the Director of Spine Surgery at St. Joseph’s Hospital and Vice Chairman of the Department of Neurosciences at the Carondelet Neurological Institute. He is board certified in Neurosurgery by the ABNS.  Dr. Kretzer completed a Residency in Neurosurgery at the Johns Hopkins Hospital, as well as a Research Fellowship in Spinal Biomechanics at the Orthopaedic Spinal Research Laboratory in Towson, MD under the direction of Bryan Cunningham, PhD.  After graduation, Dr. Kretzer completed a Clinical Fellowship in Complex Spine Surgery at the Johns Hopkins Hospital.  Prior to joining Western Neuro, he served two years as the Neurosurgical Medical Officer at the Center for Devices and Radiological Health (CDRH) of the US Food & Drug Administration (FDA)

Dr. Kretzer is a researcher and inventor, with several U.S. and international patents for spinal devices. He has authored more than 30 peer reviewed publications and seven chapters in medical textbooks. He currently serves as a peer reviewer for the prestigious journal, Spine.He has been awarded with several scholarships, grants and accolades for his research in the treatment of spinal disease.

He has two children and enjoys spending time with his family, cycling and skiing in his spare time.

Areas of Specialization

  • minimally invasive and complex spine surgery
  • degenerative disc disease,
  • spinal stenosis,
  • nerve root compression,
  • adult degenerative deformity
  • spinal oncology

Education & Training

Undergraduate: The Johns Hopkins University
Medical school: M.D. The Johns Hopkins University School of Medicine
Residency: The Johns Hopkins Hospital; Neurosurgery 


  1. Joseph Medical Center (Towson, MD); Spinal Biomechanics Research
  2. Center for Devices and Radiological Health (CDRH), US Food and Drug Administration (FDA) (Silver Spring, MD); FDA Medical Officer, Medical Device Fellowship Program
  3. The Johns Hopkins Hospital (Baltimore, MD); Complex Spine Fellowship, AO Spine North America

Professional Memberships

  • Fellow, American Association of Neurological Surgeons
  • Member, Congress of Neurological Surgeons

In Health - Back to Normal

Dr. Kretzer’s Physician Assistant: Chelsea McNally, PA-C

Patient Ratings & Comments

The Patient Rating score is an average of all responses to provider related questions on our independently administered Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score.
Friendliness/courtesy of Care provider
Likelihood of recommending Care provider
Care provider efforts to include in decisions
Care provider explanations of prob/condition
Care provider concern for questions/worries
Patients' confidence in Care provider
Care provider spoke using clear language


Comments are gathered from our Patient Satisfaction Survey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
Jul 30, 2019
Excellent; reservations concerning surgery wanted 2nd opinion. Much more comfortable w/*Dr. Kretzer due to attitude re: physical therapy before/after surgery & attempting alternatives prior to surgery.
Jun 28, 2019
Dr was very attentive, when he was writing stuff down and we asked a question he'd stop and answer our questions. very informative and very good at explaining.
Jun 7, 2019
Good experience! Liked him as his explanations were keyed to a nervous pre-op patient.
Apr 25, 2019
First time explained (and showed images) of my issues to the extent I understood.
Apr 19, 2019
The doctor went over everything very quickly, but that was okay with me. I can see how some people might prefer he go more slowly.
Apr 11, 2019
Having a medical background I am very particular about how a physician responds to my questions, Dr. Kretzer was excellent and came highly recommended.
Apr 8, 2019
He was interested in me and listened and asked questions
Apr 3, 2019
Mar 27, 2019
excellent physician! I have already been highly recommending him : )
Mar 22, 2019
I highly recommend this provider.
Feb 15, 2019
very good experience
Feb 14, 2019
I was referred by 2 previous patients who live in Oracle as I do.
Jan 12, 2019
Dr. Ryan pointed out more important issues than the issue in my throat.

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