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

Erika L. Duffy, NP

Individual provider Primary Care Nurse Practitioner · NPI 1700194453

Erika L. Duffy, NP is a Primary Care Nurse Practitioner in Billings, Montana. Licensed in Montana. Registered with an NPI since 2010.

Licensed in
MT
In the registry since
2010
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1233 N 30th St
Billings, MT 59101-0127
Phone: (406) 237-4116
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence 100692 (MT)
Nurse Practitioner Taxonomy 363L00000X · Licence 33043 (MT)

Record details

NPI number1700194453
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 15, 2010
Last updated in NPPESJuly 14, 2021
Certification dateJuly 14, 2021

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