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Surgical Specialist, Neurological Surgeon
33 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. William Diefenbach:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. William Diefenbach is Good. Dr. Diefenbach has been reviewed by 20 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 3.8
Accurate Diagnosis 4.0
Bedside Manner 3.8
Spends Time with Me 4.0
Follows Up After Visit 3.8

Specialties & Research

Dr. William Diefenbach, FACS, MD is board certified in Neurological Surgery.

  • He has special expertise in 11 areas:
  • Back Injuries
  • Brain Disorder
  • Cancer
  • Cerebrovascular Disorders
  • Head and Neck Disorder
  • Infection
  • Neurosurgery
  • Neurosurgical Procedures
  • Normal Pressure Hydrocephalus
  • Scoliosis
  • Wounds and Injuries

Education & Awards

Dr. Diefenbach graduated from Columbia University, New York.


Dr. Diefenbach has 3 hospital affiliations:

  • Hamot Medical Center 
  • Saint Vincent Health Center 
  • UPMC Horizon 


  • French

> > > > Dr. William Diefenbach, FACS, MD

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Additional Information
Dr. William Paul Diefenbach FACS and MD is a male Neurosurgeon, has 33 years of experience and practices in Neurological Surgery.
Where does Dr. William P. Diefenbach practice?
Dr. William Diefenbach has 1 office location.
Dr. William Diefenbach practices Neurological Surgery near Erie, PA.
See Erie Surgeons.