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

Dr. Riley Mackenzie Black, DNP

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1538875935

Dr. Riley Mackenzie Black, DNP is a Nurse Practitioner in Libby, Montana. Qualified in 2024, 2 years ago. Practices with St Johns Lutheran Hospital Inc, a 35-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
2
Licensed in
MT
In the registry since
2023
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

See every abbreviation used in this directory →

Practice location Address checks out

401 Louisiana Ave
Libby, MT 59923-2131
Phone: (406) 283-7440
Fax: (406) 293-4780
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NUR-APRN-LIC-240991 (MT)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence LIC103602 (MT)

Record details

NPI number1538875935
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP
Sole proprietorYes
NPI enumeratedJanuary 30, 2023
Last updated in NPPESSeptember 13, 2024
Certification dateSeptember 13, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice St Johns Lutheran Hospital Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount