Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

RICHARD J HREZO CRNA
NPI 1780638452
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Active since May 19, 2006
1441 N 12TH ST, PHOENIX, AZ 85006(602) 747-4577 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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

NPI1780638452
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameRICHARD J HREZOCredential: CRNA
Location Address1441 N 12TH STPhoenix, AZ 85006-2837
Mailing Address1800 Spring Ridge DrSusanville, CA 96130-6100 · (530) 252-2245
Sole ProprietorNo
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1780638452 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
License Licensed in CA · 2362
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.

1441 N 12TH ST, Phoenix, AZ 85006

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.

Social Worker (Clinical)
1441 N 12TH ST
PHOENIX, AZ 85006
Orthopaedic Surgery
1441 N 12TH ST
PHOENIX, AZ 85006
Radiology (Diagnostic Radiology)
1441 N 12TH ST
PHOENIX, AZ 85006
Nuclear Medicine
1441 N 12TH ST
PHOENIX, AZ 85006
Radiology (Diagnostic Radiology)
1441 N 12TH ST
PHOENIX, AZ 85006
Nurse Anesthetist, Certified Registered
1441 N 12TH ST
PHOENIX, AZ 85006
Naturopath
1441 N 12TH ST
PHOENIX, AZ 85006
Nurse Anesthetist, Certified Registered
1441 N 12TH ST
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.

When was this NPI record last updated?

The NPPES record for Richard Hrezo was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.