MASON CARTER NP-C
NPI 1376188698
Nurse Practitioner - Family in Eagle, ID
About Mason Carter Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MASON CARTER NP-C (NPI 1376188698) is an individual family provider in Eagle, Idaho, licensed in Idaho (53832) and active in the NPI registry since November 2019. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and maintains a secondary practice location in Eagle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Mason Carter Np-c 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 Reassignments
2Medicare enrollment records show Mason Carter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eagle, ID 83616
- Reassigned Medicare billing, Idaho enrollment
- 20 clinicians in this Medicare group
Boise, ID 83702
- Reassigned Medicare billing, Idaho enrollment
- 12 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.
Areas of Expertise CMS Part B claims 17
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
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, IDSaint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDSaint Alphonsus Medical Center - Nampa
Acute Care Hospitals · Nampa, IDSt Luke's Nampa Medical Center
Acute Care Hospitals · Nampa, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83616 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
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 Mason Carter's NPI number?
The NPI number for Mason Carter is 1376188698. It was assigned to this individual provider in the NPPES registry on November 11, 2019.
Where is Mason Carter located?
Mason Carter practices at 21 N Fisher Park Way, Eagle, ID 83616. The listed phone number is (208) 514-0670.
What is Mason Carter's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mason Carter enrolled in Medicare?
Yes. Mason Carter 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 organizations bill Medicare for Mason Carter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mason Carter reassigns Medicare benefits to 2 organizations: Key Stone Health Care (Eagle, ID) and Keystone Center For Geriatrics LLC (Boise, ID). Each 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 Mason Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mason Carter accept?
Health plans from Moda Health Plan, Inc., Molina Healthcare, PacificSource Health Plans and Select Health list Mason Carter 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 Mason Carter affiliated with any hospitals?
According to CMS data, Mason Carter is affiliated with St Luke's Regional Medical Center, Saint Alphonsus Regional Medical Center, Saint Alphonsus Medical Center - Nampa and St Luke's Nampa Medical Center.
When was this NPI record last updated?
The NPPES record for Mason Carter was last updated on November 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.