ALISON HILARIE ERWAY-BREWER CRNA
NPI 1548243132
Nurse Anesthetist, Certified Registered in Tucson, AZ

Active since November 28, 2005Accepts Medicare Assignment
1505 N SWAN RD STE 121, TUCSON, AZ 85712(520) 795-3090 Get Directions Write a Review

NPPES record last updated: June 1, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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

NPI1548243132
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameALISON HILARIE ERWAY-BREWERCredential: CRNA
Location Address1505 N SWAN RD STE 121Tucson, AZ 85712-4044
Mailing Address4935 E Lee StTucson, AZ 85712-4024 · (910) 431-0336
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateNovember 28, 2005
Last NPPES UpdateJune 1, 2021
NPPES CertifiedJune 1, 2021
✔ NPI 1548243132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in AZ · CRNA1439✔ Licensed in VA · 0024077374✔ Licensed in PA · RN234806L✔ Licensed in SC · APRN 2134✔ Licensed in MA · 134092✔ Licensed in NC · 5096868R✔ Licensed in GA · RN100759
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1505 N SWAN RD STE 121, Tucson, AZ 85712

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.

PECOS PAC ID7517923576
PECOS Enrollment IDI20180122003247

Medicare Billing Reassignments

7

Medicare 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.

Gastroenterology
1505 N SWAN RD, 121
Tucson, AZ 85712
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Swan Gastroenterology PC
  • 15 clinicians in this Medicare group
Anesthesiology
7445 E TANQUE VERDE RD
Tucson, AZ 85715
  • Reassigned Medicare billing, Arizona enrollment
  • 13 clinicians in this Medicare group
Anesthesiology
7566 N LA CHOLLA BOULEVARD
Tucson, AZ 85741
  • Reassigned Medicare billing, Arizona enrollment
  • 21 clinicians in this Medicare group
Pain Medicine
4824 E BASELINE RD STE 140
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 94 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
838 W ELLIOT RD # 102
Gilbert, AZ 85233
  • Reassigned Medicare billing, Arizona enrollment
  • 35 clinicians in this Medicare group
Anesthesiology
603 W BASELINE RD STE 101
Mesa, AZ 85210
  • Reassigned Medicare billing, Arizona enrollment
  • 117 clinicians in this Medicare group
Gastroenterology
3260 N HAYDEN RD STE 112
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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
177 services177 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
125 services124 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
81 services81 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
35 services35 patients

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.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Gastroenterology)
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Nurse Practitioner (Family)
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Nurse Practitioner (Family)
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Nurse Anesthetist, Certified Registered
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Internal Medicine (Gastroenterology)
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Nurse Practitioner (Family)
1505 N SWAN RD STE 121
TUCSON, AZ 85712
Nurse Practitioner (Family)
1505 N SWAN RD STE 121
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.