ANNET GRIJALVA CRNA
NPI 1639041379
Nurse Anesthetist, Certified Registered in Sun City, AZ
About Annet Grijalva Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNET GRIJALVA CRNA (NPI 1639041379) is an individual nurse anesthetist, certified registered in Sun City, Arizona, licensed in Arizona (238086) and active in the NPI registry since September 2025. She is a graduate of Other (2025).
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
Annet Grijalva 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
5Medicare enrollment records show Annet Grijalva reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85037
- Reassigned Medicare billing, Arizona enrollment
- 423 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 174 clinicians in this Medicare group
Tempe, AZ 85282
- Reassigned Medicare billing, Arizona enrollment
- 18 clinicians in this Medicare group
Scottsdale, AZ 85258
- Reassigned Medicare billing, Arizona enrollment
- 106 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Arizona enrollment
- 370 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 85351 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.
SUN CITY, AZ 85351
SUN CITY, AZ 85351
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 Annet Grijalva's NPI number?
The NPI number for Annet Grijalva is 1639041379. It was assigned to this individual provider in the NPPES registry on September 22, 2025.
Where is Annet Grijalva located?
Annet Grijalva practices at 10401 W Thunderbird Blvd, Sun City, AZ 85351. The listed phone number is (623) 832-4000.
What is Annet Grijalva's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Annet Grijalva enrolled in Medicare?
Yes. Annet Grijalva 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 Annet Grijalva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annet Grijalva reassigns Medicare benefits to 5 organizations: Greater Anesthesia Solutions (Phoenix, AZ), Guide Anesthesia Az LLC (Phoenix, AZ), Advanced Cardiac Anesthesia PLLC (Tempe, AZ), Grand Canyon Anesthesia LLC (Scottsdale, AZ) and Anesthesia Partners & Management LLC (Brighton, MI). 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 Annet Grijalva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Annet Grijalva accept?
Health plans from Blue Cross Blue Shield of Arizona list Annet Grijalva 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 Annet Grijalva was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Annet Grijalva, CRNA · NPI 1639041379
Nurse Anesthetist, Certified Registered physician in Sun City, Arizona. Individual provider, active in the CMS NPPES registry since September 22, 2025.
## Identity
- **NPI:** 1639041379 (Entity type: Individual)
- **Enumerated:** September 22, 2025
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 238086 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10401 W THUNDERBIRD BLVD, Sun City, AZ 85351-3004
- **Phone:** (623) 832-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Greater Anesthesia Solutions (NPI 1124430244, Phoenix, AZ); Guide Anesthesia Az LLC (NPI 1649164849, Phoenix, AZ); Advanced Cardiac Anesthesia PLLC (NPI 1083397764, Tempe, AZ); Grand Canyon Anesthesia LLC (NPI 1356822902, Scottsdale, AZ); Anesthesia Partners & Management LLC (NPI 1336530997, Brighton, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** September 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639041379) · Data from the CMS NPPES public registry.