MARI BETH STEIN AGNP
NPI 1255870309
Nurse Practitioner in Boise, ID
About Mari Beth Stein Agnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARI BETH STEIN AGNP (NPI 1255870309) is an individual nurse practitioner in Boise, Idaho, licensed in Idaho (55255A) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of Other (2016).
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 and accepts Medicare assignment
Mari Beth Stein Agnp 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 Mari Beth Stein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boise, ID 83712
- Reassigned Medicare billing, Idaho enrollment
- 1,312 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.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83712 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.
BOISE, ID 83712
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 Mari Beth Stein's NPI number?
The NPI number for Mari Beth Stein is 1255870309. It was assigned to this individual provider in the NPPES registry on February 21, 2017.
Where is Mari Beth Stein located?
Mari Beth Stein practices at 100 E Idaho St, Boise, ID 83712. The listed phone number is (208) 381-2790.
What is Mari Beth Stein's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mari Beth Stein enrolled in Medicare?
Yes. Mari Beth Stein 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 Mari Beth Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mari Beth Stein reassigns Medicare benefits to St Lukes Clinic-Treasure Valley LLC (Boise, ID). 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 Mari Beth Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mari Beth Stein accept?
Health plans from PacificSource Health Plans, Providence Health Plan and Select Health list Mari Beth Stein 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 Mari Beth Stein affiliated with any hospitals?
According to CMS data, Mari Beth Stein is affiliated with St Luke's Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mari Beth Stein was last updated on February 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mari Beth Stein, AGNP · NPI 1255870309
Nurse Practitioner physician in Boise, Idaho. Individual provider, active in the CMS NPPES registry since February 21, 2017.
## Identity
- **NPI:** 1255870309 (Entity type: Individual)
- **Enumerated:** February 21, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 55255A (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E IDAHO ST, Boise, ID 83712-6267
- **Phone:** (208) 381-2790 · **Fax:** (208) 381-4025
## 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 Lukes Clinic-Treasure Valley LLC (NPI 1326336058, Boise, ID), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 21, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1255870309) · Data from the CMS NPPES public registry.