ALISON HILARIE ERWAY-BREWER CRNA
NPI 1548243132
Nurse Anesthetist, Certified Registered in Tucson, AZ
About Alison Hilarie Erway-brewer Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON HILARIE ERWAY-BREWER CRNA (NPI 1548243132) is an individual nurse anesthetist, certified registered in Tucson, Arizona, licensed in Arizona (CRNA1439) and active in the NPI registry since November 2005. She is a graduate of Other (1982).
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
Alison Hilarie Erway-brewer 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
7Medicare enrollment records show Alison Erway-brewer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Swan Gastroenterology PC
- 15 clinicians in this Medicare group
Tucson, AZ 85715
- Reassigned Medicare billing, Arizona enrollment
- 13 clinicians in this Medicare group
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 21 clinicians in this Medicare group
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 94 clinicians in this Medicare group
Gilbert, AZ 85233
- Reassigned Medicare billing, Arizona enrollment
- 35 clinicians in this Medicare group
Mesa, AZ 85210
- Reassigned Medicare billing, Arizona enrollment
- 117 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 143 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 85712 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85712
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 Alison Erway-brewer's NPI number?
The NPI number for Alison Erway-brewer is 1548243132. It was assigned to this individual provider in the NPPES registry on November 28, 2005.
Where is Alison Erway-brewer located?
Alison Erway-brewer practices at 1505 N Swan Rd Ste 121, Tucson, AZ 85712. The listed phone number is (520) 795-3090.
What is Alison Erway-brewer's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Alison Erway-brewer enrolled in Medicare?
Yes. Alison Erway-brewer 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 Alison Erway-brewer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Erway-brewer reassigns Medicare benefits to 7 organizations: Swan Gastroenterology, P.C. (Tucson, AZ), Anesthesia Associates Of Tucson LLC (Tucson, AZ), Professional Anesthesia Services LLC (Tucson, AZ), Gateway Anesthesia And Pain Associates PLLC (Mesa, AZ), Prime Anesthesia Partners LLC (Gilbert, AZ) and 2 more organizations, listed in the Medicare section above. 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 Alison Erway-brewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Erway-brewer accept?
Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Alison Erway-brewer 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 Alison Erway-brewer was last updated on June 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.