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

William J Harper MD PC

Organization Surgery Physician · NPI 1386829216

William J Harper MD PC is a Surgery Physician in Helena, Montana. Licensed in Montana. Registered with an NPI since 2008.

Licensed in
MT
In the registry since
2008
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

400 Saddle Dr
Helena, MT 59601-5631
Phone: (406) 442-0099
Fax: (406) 442-0208
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 6273 (MT)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 6273 (MT)

Record details

NPI number1386829216
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Harper — President · (406) 442-0099
NPI enumeratedJanuary 9, 2008
Last updated in NPPESJanuary 9, 2008
Mailing address400 Saddle Dr, Helena, MT 59601-5631

Other providers in Helena