UPPER VALLEY ENT & ALLERGY PLLC
NPI 1124462494
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Rexburg, ID
About Upper Valley Ent & Allergy Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UPPER VALLEY ENT & ALLERGY PLLC (NPI 1124462494) is a healthcare organization registered as an otolaryngology/facial plastic surgery in Rexburg, Idaho and active in the NPI registry since April 2013. The organization holds a CLIA Waiver certificate valid through March 1, 2027 and lists Jay Robert Mcmaster, Physician/surgeon, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Upper Valley Ent & Allergy Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Upper Valley Ent & Allergy PLLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 13D1065502
Upper Valley Ent & Allergy · Rexburg, IDFrequently 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 Upper Valley Ent & Allergy PLLC's NPI number?
The NPI number for Upper Valley Ent & Allergy PLLC is 1124462494. It was assigned to this organization in the NPPES registry on April 17, 2013.
Where is Upper Valley Ent & Allergy PLLC located?
Upper Valley Ent & Allergy PLLC is located at 256 N 2nd E, Rexburg, ID 83440. The listed phone number is (208) 656-9646.
What is Upper Valley Ent & Allergy PLLC's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.
Is Upper Valley Ent & Allergy PLLC enrolled in Medicare?
Yes. Upper Valley Ent & Allergy PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Upper Valley Ent & Allergy PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Otolaryngology, reassign their Medicare billing to Upper Valley Ent & Allergy PLLC. A 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 the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Upper Valley Ent & Allergy PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 13D1065502) is associated with this NPI, valid through March 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Upper Valley Ent & Allergy PLLC accept?
Health plans from Molina Healthcare and University of Utah Health Plans list Upper Valley Ent & Allergy PLLC 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 Upper Valley Ent & Allergy PLLC was last updated on June 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Upper Valley Ent & Allergy Pllc · NPI 1124462494
Otolaryngology/Facial Plastic Surgery organization in Rexburg, Idaho. Organization record, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1124462494 (Entity type: Organization)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Otolaryngology - Otolaryngology/Facial Plastic Surgery · taxonomy 207YX0905X
- **Organization subpart:** No
- **Authorized official:** Jay Mcmaster, PHYSICIAN/SURGEON
## Practice location
- **Address:** 256 N 2ND E, Rexburg, ID 83440-1638
- **Phone:** (208) 656-9646 · **Fax:** (208) 656-9645
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Otolaryngology) reassign Medicare billing to this organization (form CMS-855R); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2014
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1124462494) · Data from the CMS NPPES public registry.