Individual provider Active NPI

Richard J Hrezo, CRNA

  • Certified Registered Nurse Anesthetist
  • Phoenix, AZ
National Provider Identifier
1780638452
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
2362 Issued in CA
Practice address
1441 N 12TH St
Phoenix, AZ 85006-2837
Phone
(602) 747-4577
NPI assigned
May 19, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 2362 CA Primary

Addresses

Primary practice location

1441 N 12TH St
Phoenix, AZ 85006-2837

Mailing address

1800 Spring Ridge Dr
Susanville, CA 96130-6100
Phone (530) 252-2245

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
2362CAMDPediatric Occupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Banner Lassen Medical Center CurrentSince Jul 13, 2005 Accepting new patients
Banner Lassen Medical Center CurrentSince Jul 13, 2005 Accepting new patients

Locations

1441 N 12th St
Phoenix, AZ 85006
Phone (602) 495-4577

1800 Spring Ridge Dr
Susanville, CA 96130
Phone (530) 252-2225

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780638452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 SPRING RIDGE DR",
            "city": "SUSANVILLE",
            "state": "CA",
            "postal_code": "961306100",
            "telephone_number": "530-252-2245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1441 N 12TH ST",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850062837",
            "telephone_number": "602-747-4577"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HREZO",
        "first_name": "RICHARD",
        "middle_name": "J",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "2362",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.