William C. Welch, MD, FAANS, FACS, FICS

faculty photo
Frederick A. Simeone Professor in Neurosurgery
Chair, Department of Neurosurgery, Pennsylvania Hospital
Neurosurgery Staff, Pennsylvania Hospital Philadelphia, PA
Neurosurgery Staff, Hospital of The University of Pennsylvania, Philadelphia PA
member, Operating Room Committee Pennsylvania Hospital
member, Executive Committee Pennsylvania Hospital Philadelphia, PA
Member , Center for Bloodless Medicine, Pennsylvania Hospital
Vice-Chair, Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania
Chairman, Neurosurgery Committee on Academic Promotions (COAP)
Chairman , Department of Neurosurgery Pennsylvania Hospital
Co-Chair, Spine Committee, Pennsylvania Hospital
Member, Clinical Competency Committee (UPHS Department of Neurosurgery Residency Review)
member , Finance Committee, Department of Neurosurgery University of Pennsylvania Perelman School of Medicine
staff, Neurosurgery Staff Penn Presbyterian Hospital Philadelphia,PA
Chair, Neurosurgery Finance Committee
Director, MS 200 Neurosurgery Rotation Pennsylvania Hospital
member, Bioengineering Graduate Group, School of Bioengineering University of Pennsylvania
Executive Co-Sponsor, Patient Experience, Pennsylvania Hospital
Physician Lead, Neurosciences Service Line (Spine)
Co-Developer, Perelman School of Medicine relationship with Cairo University, Cairo, Egypt
Medical Director , Spine Center at Pennsylvania Hospital
Medical Director, UPENN Neuroscience Service Line (Spine), UPENN
Vice Chair, Academic Affairs, Department of Neurosurgery
Department: Neurosurgery

Contact information
Department of Neurosurgery
Pennsylvania Hospital
801 Spruce Street
8th Floor
Philadelphia, PA 19107
Office: 215-829-6700
Fax: 215-829-3361
Graduate Group Affiliations
B.S (BS-MD program)
The City College of New York , 1983.
State University of New York, Downstate Medical Center, 1985.
Post-Graduate Training
Intern General Surgery, University of Rochester-Strong Memorial Hospital, Rochester, N.Y, 1985-1986.
Resident, Neurological Surgery, University of Rochester-Strong Memorial Hospital, Rochester, N.Y., 1986-1991.
Fellowship, Neuro-oncology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, N.Y., 1991-1992.
Fellowship, Spinal Surgery, Albert Einstein College of Medicine, Weiler Hospital, Bronx, N.Y., 1992-1993.
American Board of Neurological Surgeons, 1995.
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Description of Research Expertise

Spinal biomechanics
Cost analysis, spine
Spinal outcomes

Description of Clinical Expertise

All aspects of spinal surgery (over 15,000 surgeries)

Selected Publications

Ahmad HS, Yang AI, Basil G, Welch WC, Yoon JW: Towards personalized and value-based spine care: objective patient monitoring with smartphone activity data. J Spine Surg 8, 2022.

Ahmad HS, Singh S, Jiao K, Basil GW, Yang AI, Wang MY, Welch WC, Yoon JW.: Data-driven phenotyping of preoperative functional decline patterns in patients undergoing lumbar decompression and lumbar fusion using smartphone accellerometry. Neurosurgery Focus 52(E4), 2022.

Coric DJ, Nassr A, Kim PK, Welch WC, Robbins S, DeLuca S, Whiting D, Chahlavi A, Pirris SM, Groff MH, Chi JH, Huang JH, Kent R, Whitmore RG, Meyer S, Arnold PM, Patel A, Orr D, Krishhnaney A, Boltes P, Akekstein Y, Steinmetz M: Prospective, randomized controlled multicenter study of posterior lumbar facet arthroplasty for the treatment of spondylolisthesis. J Neurosurgery Spine 38, 2022.

Ahmad HS, Yang A, Basil G, Joshi D, Wang MY, Welch WC, Yoon JW: Developing a prediction model for identification of distinct perioperative clinical stages in spine surgery with smartphone-based mobility data. Neurosurgery 90, 2022.

Ahmad HS, Yang A, Joshi D, Cleri N, Basil G, Wang MY, Welch WC, Yoon JW: Classifiying peri-operative course and outcomes in spine surgery using smartphone accelerometry. Neurosurgery 68, 2022.

Punchak MA, Agarwal A, Joshi D, Xiong R, Malhotra NR, Ozturk AK, Petrov D, Schuster J, Welch WC, Delgado K, Ali Z.: Understanding the natural history of post-operative pain and patient reported opioid consumption following elective spina and nerve surgery with an automated text messaging system. Neurosurgery 2022.

Pinter Z, Freedman BA, Nassr AN, Sebastian AS, Coric D, Welch WC, Steinmetz MP, Smorgick Y, Anekestein Y: A prospective study of lumbar facet arthroplasty in the treatment of degenerative spondylolisthesis and stenosis: results from the total posterior spine system (TOPS) IDE study. The Spine Journal 22(9S), 2022.

Yang AI, Rinehart CD, McShane BJ, Hitti FL, Welch WC: Growth of lumbosacral perineural (Tarlov) cysts: a natural history analysis. Neurosurgery 86, 2020.

Sharma N, Piazza M, Marcotte P, Welch WC, Ozturk A, Chen I, Ali Z, Schuster J, Malhotra NR: Implications of anesthetic approach, spinal versus general, for the treatment of spinal disc herniation. Journal of Neurosurgery:Spine 30, 2019.

Caplan I, Sinha S, Schuster J, Piazza M, Glauser G, Osiema B, McClintock S, Welch WC, Sharma N, Ozturk AK, Malhotra NR: The utility of cervical spine bracing as a post-operative adjunct to single-level anterior cervical spine surgery. Asian Journal of Spinal Surgery 2019.

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Last updated: 06/22/2023
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