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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 Neff:

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Specialties & Research

Dr. William Neff, MD is board certified in Anesthesiology.

Education & Awards

Dr. Neff graduated from The University of Texas at Galveston.


Dr. Neff has 13 hospital affiliations:

  • Poudre Valley Hospital 
  • Estes Park Medical Center - Cah 

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Additional Information
Dr. William A Neff MD is a male Anesthesiologist, has 28 years of experience and practices in Anesthesiology.
Where does Dr. William A. Neff practice?
Dr. William Neff has 1 office location.
Dr. William Neff practices Anesthesiology near Fort Collins, CO.
See Fort Collins Anesthesiologists.