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).
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The overall average patient rating of Dr. William Ferril is Excellent.
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Specialties & Research
- He has special expertise in 2 areas:
- Flu (Human Influenza)
- Holistic Health
Education & Awards
Dr. Ferril graduated from University of California at Davis. He has 2 awards.
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- Additional Information
- Dr. William B Ferril MD is a male General Practitioner, has 27 years of experience and practices in General Practice.
- Where does Dr. William B. Ferril practice?
- Dr. William Ferril has 1 office location.
Dr. William Ferril practices General Practice near Havre, MT.
See Havre Primary Care Doctors.