LAURYN MASON RN, MSN, FNP-C
NPI 1285488858
Nurse Practitioner - Family in Williston, ND
About Lauryn Mason Rn, Msn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAURYN MASON RN, MSN, FNP-C (NPI 1285488858) is an individual family provider in Williston, North Dakota, licensed in North Dakota (R55848) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lauryn Mason Rn, Msn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lauryn Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1902824576 (North Dakota)
- 268 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58801 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lauryn Mason's NPI number?
The NPI number for Lauryn Mason is 1285488858. It was assigned to this individual provider in the NPPES registry on April 11, 2024.
Where is Lauryn Mason located?
Lauryn Mason practices at 1301 15th Ave W, Williston, ND 58801. The listed phone number is (406) 239-8639.
What is Lauryn Mason's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lauryn Mason enrolled in Medicare?
Yes. Lauryn Mason is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lauryn Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauryn Mason reassigns Medicare benefits to Mercy Medical Center (Williston, ND). 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 Lauryn Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauryn Mason accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Lauryn Mason 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.
When was this NPI record last updated?
The NPPES record for Lauryn Mason was last updated on April 11, 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.
# Lauryn Mason, RN, MSN, FNP-C · NPI 1285488858
Family physician in Williston, North Dakota. Individual provider, active in the CMS NPPES registry since April 11, 2024.
## Identity
- **NPI:** 1285488858 (Entity type: Individual)
- **Enumerated:** April 11, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R55848 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1301 15TH AVE W, Williston, ND 58801-3821
- **Phone:** (406) 239-8639
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Medical Center (NPI 1245397736, Williston, ND), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 11, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1285488858) · Data from the CMS NPPES public registry.