MS. TAMMY RENEE BARRETT CRNA
NPI 1346248192
Nurse Anesthetist, Certified Registered in Bellevue, WA
About Ms. Tammy Renee Barrett Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TAMMY RENEE BARRETT CRNA (NPI 1346248192) is an individual nurse anesthetist, certified registered in Bellevue, Washington, licensed in Washington (AP 60118439) and active in the NPI registry since July 2005. She is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 2
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
Ms. Tammy Renee Barrett Crna 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 Tammy Barrett reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 83 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 148 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 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.
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
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 Tammy Barrett's NPI number?
The NPI number for Tammy Barrett is 1346248192. It was assigned to this individual provider in the NPPES registry on July 13, 2005. The provider is also known as Tammy Barrett Widick Crna.
Where is Tammy Barrett located?
Tammy Barrett practices at 1135 116th Ave NE Suite 570, Bellevue, WA 98004. The listed phone number is (425) 451-7335.
What is Tammy Barrett's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Tammy Barrett enrolled in Medicare?
Yes. Tammy Barrett 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 Tammy Barrett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Barrett reassigns Medicare benefits to 2 organizations: Paceline Anesthesia, PLLC (Bellevue, WA) and Washington Gastroenterology PLLC (Federal Way, WA). 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 Tammy Barrett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Barrett accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Tammy Barrett 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 Tammy Barrett was last updated on September 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.