RICHARD J HREZO CRNA
NPI 1780638452
Nurse Anesthetist, Certified Registered in Phoenix, AZ
About Richard J Hrezo Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD J HREZO CRNA (NPI 1780638452) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in California (2362) and active in the NPI registry since May 2006.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Richard J Hrezo Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Richard Hrezo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Susanville, CA 96130
- Reassigned Medicare billing, California enrollment
- 17 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.
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.
PHOENIX, AZ 85006
PHOENIX, AZ 85006
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 Richard Hrezo's NPI number?
The NPI number for Richard Hrezo is 1780638452. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Richard Hrezo located?
Richard Hrezo practices at 1441 N 12th St, Phoenix, AZ 85006. The listed phone number is (602) 747-4577.
What is Richard Hrezo's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Richard Hrezo enrolled in Medicare?
Yes. Richard Hrezo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Richard Hrezo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Hrezo reassigns Medicare benefits to Banner Lassen Medical Center (Susanville, CA). 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 Richard Hrezo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Richard Hrezo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Richard J Hrezo, CRNA · NPI 1780638452
Nurse Anesthetist, Certified Registered physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1780638452 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 2362 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1441 N 12TH ST, Phoenix, AZ 85006-2837
- **Phone:** (602) 747-4577
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Banner Lassen Medical Center (NPI 1538197231, Susanville, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1780638452) · Data from the CMS NPPES public registry.