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

MS. Barbara Ann Gillen, FNP

Individual provider Family Nurse Practitioner · NPI 1093876211

MS. Barbara Ann Gillen, FNP is a Family Nurse Practitioner 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?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

2315 St Andrews Dr
Billings, MT 59105-3658
Phone: (406) 861-8549
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN-100171 (MT)

Record details

NPI number1093876211
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESApril 6, 2018

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