Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Abigail Carrie Holzwarth, DNP, APRN, FNP-BC

Individual provider Nurse Practitioner · NPI 1104544576

Abigail Carrie Holzwarth, DNP, APRN, FNP-BC is a Nurse Practitioner in Billings, Montana. Qualified in 2022, 4 years ago. Practices with Billings Clinic, a 805-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
4
Licensed in
MT
In the registry since
2022
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

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Practice location Address checks out

801 N 29th St
Billings, MT 59101-0905
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 198020 (MT)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 198020 (MT)

Record details

NPI number1104544576
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , APRN , FNP-BC
Sole proprietorNo
NPI enumeratedAugust 22, 2022
Last updated in NPPESJanuary 7, 2026
Certification dateJanuary 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Billings