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

John B McCollum DDS PC

Organization Dentist · NPI 1154460574

John B McCollum DDS PC is a Dentist in Dillon, Montana. Licensed in Montana. Registered with an NPI since 2007.

Licensed in
MT
In the registry since
2007
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

110 S Idaho Street State Bank Bldg
Dillon, MT 59725
Phone: (406) 683-5125
Fax: (406) 683-5126
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 1108 (MT)

Record details

NPI number1154460574
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John McCollum — President · (406) 683-5125
NPI enumeratedFebruary 5, 2007
Last updated in NPPESAugust 27, 2013
Mailing addressPo Box 1255, Dillon, MT 59725-1255

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