SIERRA TYYNE JOHNSON
NPI 1881528222
Audiologist in Fort Collins, CO
About Sierra Tyyne Johnson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA TYYNE JOHNSON (NPI 1881528222) is an individual audiologist in Fort Collins, Colorado and active in the NPI registry since June 2026. She is a graduate of Other (2026).
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
Sierra Tyyne Johnson 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 Sierra Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 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 80525 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT COLLINS, CO 80525
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 Sierra Johnson's NPI number?
The NPI number for Sierra Johnson is 1881528222. It was assigned to this individual provider in the NPPES registry on June 10, 2026.
Where is Sierra Johnson located?
Sierra Johnson practices at 4601 S Mason St, Fort Collins, CO 80525. The listed phone number is (970) 493-5334.
What is Sierra Johnson's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Sierra Johnson enrolled in Medicare?
Yes. Sierra Johnson 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 Sierra Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Johnson reassigns Medicare benefits to Poudre Valley Medical Group, LLC (Loveland, CO). 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 Sierra Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sierra Johnson accept?
Health plans from Select Health list Sierra Johnson 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 Sierra Johnson was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Sierra Tyyne Johnson · NPI 1881528222
Audiologist provider in Fort Collins, Colorado. Individual provider, active in the CMS NPPES registry since June 10, 2026.
## Identity
- **NPI:** 1881528222 (Entity type: Individual)
- **Enumerated:** June 10, 2026
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 4601 S MASON ST, Fort Collins, CO 80525-3740
- **Phone:** (970) 493-5334
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Poudre Valley Medical Group, LLC (NPI 1225356868, Loveland, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2026
## Record status
- **NPPES last updated:** June 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1881528222) · Data from the CMS NPPES public registry.