Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William J. Spire, MD

Individual provider Neurological Surgery Physician · NPI 1740396621

Dr. William J. Spire, MD is a Neurological Surgery Physician in Billings, Montana. Licensed in Colorado and Montana. Registered with an NPI since 2006.

Licensed in
CO, MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1041 N 29th St St Vincent Regional Neuroscience Ctr
Billings, MT 59101
Phone: (406) 237-5577
Fax: (406) 237-5575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 18630 (MT)
Neurological Surgery Physician Taxonomy 207T00000X · Licence RT1498 (CO)

Record details

NPI number1740396621
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2006
Last updated in NPPESJune 18, 2018
Mailing address1041 N. 29th St., St Vincent Regional Neuroscience Center, Billings, MT 59101

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