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

Tamara Grewell, BSN, RN

Individual provider Emergency Registered Nurse · NPI 1508792599

Tamara Grewell, BSN, RN is an Emergency Registered Nurse in Billings, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2026
What do these letters mean?
BSN — Bachelor of Science in Nursing
A four-year nursing degree.
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

2800 10th Ave N
Billings, MT 59101-0703
Phone: (406) 435-1561
Show map & directions

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

Specialties & licences

Emergency Registered Nurse (primary) Taxonomy 163WE0003X · Licence 39507 (MT)

Record details

NPI number1508792599
Entity typeIndividual (Type 1)
GenderFemale
Credentials BSN , RN
Sole proprietorYes
NPI enumeratedJune 18, 2026
Last updated in NPPESJune 18, 2026
Certification dateJune 18, 2026
Mailing address2800 10th Ave N, Billings, MT 59101-0703

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