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

MS. Teresa L Callahan, RN

Individual provider Flight Registered Nurse · NPI 1477801801

MS. Teresa L Callahan, RN is a Flight Registered Nurse in Billings, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2012
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

1233 N 30th
Billings, MT 59101
Phone: (406) 238-6791
Show map & directions

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

Specialties & licences

Flight Registered Nurse (primary) Taxonomy 163WF0300X · Licence RN40332 (MT)

Record details

NPI number1477801801
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedAugust 15, 2012
Last updated in NPPESAugust 15, 2012

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