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

Dr. William C Oreilly, DPM

Individual provider Foot & Ankle Surgery Podiatrist · NPI 1053320432

Dr. William C Oreilly, DPM is a Foot & Ankle Surgery Podiatrist in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
DPM — Doctor of Podiatric Medicine
A foot and ankle physician and surgeon.

See every abbreviation used in this directory →

Practice location Address checks out

1690 Rimrock Rd Ste L
Billings, MT 59102-0700
Phone: (406) 256-0077
Fax: (406) 294-0967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Foot & Ankle Surgery Podiatrist (primary) Taxonomy 213ES0103X · Licence 57 (MT)

Record details

NPI number1053320432
Entity typeIndividual (Type 1)
GenderMale
Credentials DPM
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESJuly 21, 2022
Mailing address1690 Rimrock Rd, Suite L, Billings, MT 59102-0700

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