DR. RILEY MACKENZIE BLACK DNP
NPI 1538875935
Nurse Practitioner in Libby, MT
About Dr. Riley Mackenzie Black Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RILEY MACKENZIE BLACK DNP (NPI 1538875935) is an individual nurse practitioner in Libby, Montana, licensed in Montana (NUR-APRN-LIC-240991) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Cabinet Peaks Medical Center, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Riley Mackenzie Black Dnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Riley Black reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Libby, MT 59923
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: St Johns Lutheran Hospital Inc
- 67 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cabinet Peaks Medical Center
Critical Access Hospitals · Libby, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59923 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LIBBY, MT 59923
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Riley Black's NPI number?
The NPI number for Riley Black is 1538875935. It was assigned to this individual provider in the NPPES registry on January 30, 2023.
Where is Riley Black located?
Riley Black practices at 401 Louisiana Ave, Libby, MT 59923. The listed phone number is (406) 283-7440.
What is Riley Black's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Riley Black enrolled in Medicare?
Yes. Riley Black is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Riley Black's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Riley Black reassigns Medicare benefits to St. John's Lutheran Hospital, Inc. (Libby, MT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Riley Black's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Riley Black accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Riley Black as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Riley Black affiliated with any hospitals?
According to CMS data, Riley Black is affiliated with Cabinet Peaks Medical Center.
When was this NPI record last updated?
The NPPES record for Riley Black was last updated on September 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Riley Mackenzie Black, DNP · NPI 1538875935
Nurse Practitioner physician in Libby, Montana. Individual provider, active in the CMS NPPES registry since January 30, 2023.
## Identity
- **NPI:** 1538875935 (Entity type: Individual)
- **Enumerated:** January 30, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** NUR-APRN-LIC-240991 (Montana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 401 LOUISIANA AVE, Libby, MT 59923-2131
- **Phone:** (406) 283-7440 · **Fax:** (406) 293-4780
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** St. John's Lutheran Hospital, Inc. (NPI 1952312050, Libby, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 13, 2024
- **Other identifiers:** Other 0801419904108 (MT)
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Source: [NPI Profile](https://npiprofile.com/npi/1538875935) · Data from the CMS NPPES public registry.