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.

See every abbreviation used in this directory →

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
Show map & directions

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

Other providers in Billings