Individual provider Active NPI

Leon S Brook, CRNA

  • Certified Registered Nurse Anesthetist
  • St George, UT
National Provider Identifier
1811947708
Registry record updated Jan 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
189560-8901 Issued in UT
Practice address
585 E Riverside Dr Ste 100
St George, UT 84790-7141
Phone
(435) 310-5414
NPI assigned
May 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 22, 2025

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

Specialties & licenses 7

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RNA428 ID
Registered Nurse 163W00000X 189560-3105 UT
Certified Registered Nurse Anesthetist 367500000X 227968 CT
Certified Registered Nurse Anesthetist 367500000X CRNA1557 AZ
Certified Registered Nurse Anesthetist 367500000X RNA-428 ID
Certified Registered Nurse Anesthetist 367500000X AP107266 TX
Certified Registered Nurse Anesthetist 367500000X 189560-8901 UT Primary

Addresses

Primary practice location

585 E Riverside Dr Ste 100
St George, UT 84790-7141

Mailing address

2240 E 2540 S
St George, UT 84790-6540
Phone (208) 241-0591

Other practice location 1

1600 Wallace Blvd
Amarillo, TX 79106-1789
Phone (806) 212-2000

Other practice location 2

368 E Riverside Dr Ste B
St George, UT 84790-6898
Phone (435) 767-0404

Other practice location 3

365 Montauk Ave
New London, CT 06320-4700
Phone (203) 688-0715

Other practice location 4

52 Hazelnut Hill Rd
Groton, CT 06340-3268
Phone (203) 688-0715

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, UT, CT, KS4 enrollments

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20181206002962 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 1658564778 Reassigns benefits to 3 organizations
I20230831001922 UT Practitioner - Certified Registered Nurse Anesthetist (Crna) 1658564778 Reassigns benefits to 2 organizations
I20250218000256 CT Practitioner - Certified Registered Nurse Anesthetist (Crna) 1658564778 Reassigns benefits to 1 organization
I20250811003892 KS Practitioner - Certified Registered Nurse Anesthetist (Crna) 1658564778 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hays Medical Center IncGroup PAC ID 1557279676, 188 clinicians
Northeast Medical Group IncGroup PAC ID 1254233836, 1,357 clinicians

Practice addresses (Care Compare)

2220 Canterbury Dr
Hays, KS 67601-2370
Phone (785) 623-5096

365 Montauk Ave
New London, CT 06320-4700
Phone (860) 444-3735

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.94 of 100Reported as group
Quality
91.31
Improvement activities
40
Cost
79.05

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
RNA428IDMDRegistered Nurse
189560-3105UTMDRegistered Nurse
227968CTMDCertified Registered Nurse Anesthetist
RNA-428IDMDCertified Registered Nurse Anesthetist
189560-8901UTMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Valley Anesthesiology Consultants, Inc. CurrentSince Jul 1, 2021 Accepting new patients
U. S. Anesthesia Partners of Texas, P.a., Nurse Anesthetist, Certified Registered CurrentSince Sep 9, 2019 Accepting new patients
U S Anesthesia Partners of Texas, PA Nurse Anesthetist, Certified Registered CurrentSince Sep 9, 2019 Accepting new patients
Innovative Anesthesia Solutions PLLC Nurse Anesthetist, Certified Registered CurrentSince Jan 1, 2025 Accepting new patients
Northstar Anesthesia II PA Nurse Anesthetist, Certified Registered CurrentSince Nov 7, 2018 Accepting new patients
Hays Medical Center, Inc CurrentSince Sep 1, 2025 Accepting new patients
Northeast Medical Group, Inc. Nurse Anesthetist, Certified Registered CurrentSince Mar 3, 2025 Accepting new patients
Hays Medical Center, Inc. Current Accepting new patients
Northstar Anesthesia, PA Nurse Anesthetist, Certified Registered CurrentSince Oct 16, 2018 Accepting new patients
Hays Medical Center, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Mill Hill Medical Consultants Inc CurrentSince Mar 3, 2025 Accepting new patients
Amsurg St George Anesthesia, LLC CurrentSince Jul 9, 2023 Accepting new patients

Locations

5880 S Hospital Dr
Globe, AZ 85501
Phone (928) 402-1217

101 Civic Center Ln
Lk Havasu Cty, AZ 86403
Phone (928) 453-0150

1500 S Dobson Rd
Ste 101
Mesa, AZ 85202
Phone (480) 306-6098

645 E Missouri Ave
Ste 300
Phoenix, AZ 85012
Phone (602) 262-8917

1850 N Central Ave
Ste 1600
Phoenix, AZ 85004
Phone (602) 744-4760

1601 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 622-5833

52 Hazelnut Hill Rd
Groton, CT 06340
Phone (860) 446-8265

365 Montauk Ave
New London, CT 06320
Phone (860) 271-4364

95 Armory Rd
Stratford, CT 06614
Phone (203) 384-3388

2220 Canterbury Dr
Hays, KS 67601
Phone (785) 623-5000

1A Burton Hills Blvd
Nashville, TN 37215
Phone (615) 263-5579

1600 Wallace Blvd
Amarillo, TX 79106
Phone (806) 212-2000

11801 South Fwy
Burleson, TX 76028
Phone (817) 551-2738

7101 S Padre Island Dr
Corpus Christi, TX 78412
Phone (361) 761-1400

909 9th Ave
Ft Worth, TX 76104
Phone (817) 336-6060

1917 Ashland St
Houston, TX 77008
Phone (713) 861-6161

100 Medical Dr
Lake Jackson, TX 77566
Phone (713) 496-7555

6200 W Parker Rd
Plano, TX 75093
Phone (972) 608-8000

9250 Pinecroft Dr
Shenandoah, TX 77380
Phone (281) 364-2300

585 E Riverside Dr
Ste 100
St George, UT 84790
Phone (435) 310-5414

585 E Riverside Dr
St George, UT 84790
Phone (435) 673-8080

676 S Bluff St
Ste 101
St George, UT 84770
Phone (435) 673-0095

368 E Riverside Dr
Ste B
St George, UT 84790
Phone (435) 674-3109

Organizations & group practices 12

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

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1737504000000",
    "number": "1811947708",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2240 E 2540 S",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847906540",
            "telephone_number": "208-241-0591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "585 E RIVERSIDE DR STE 100",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847907141",
            "telephone_number": "435-310-5414"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1600 Wallace Blvd",
            "address_purpose": "LOCATION",
            "city": "Amarillo",
            "state": "TX",
            "postal_code": "791061789",
            "country_code": "US",
            "telephone_number": "806-212-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "368 E Riverside Dr Ste B",
            "address_purpose": "LOCATION",
            "city": "St George",
            "state": "UT",
            "postal_code": "847906898",
            "country_code": "US",
            "telephone_number": "435-767-0404",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "365 Montauk Ave",
            "address_purpose": "LOCATION",
            "city": "New London",
            "state": "CT",
            "postal_code": "063204700",
            "country_code": "US",
            "telephone_number": "203-688-0715",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "52 Hazelnut Hill Rd",
            "address_purpose": "LOCATION",
            "city": "Groton",
            "state": "CT",
            "postal_code": "063403268",
            "country_code": "US",
            "telephone_number": "203-688-0715",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BROOK",
        "first_name": "LEON",
        "middle_name": "S",
        "name_prefix": "Mr.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2025-01-22",
        "certification_date": "2025-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "ID",
            "license": "RNA428",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "UT",
            "license": "189560-3105",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CT",
            "license": "227968",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "CRNA1557",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ID",
            "license": "RNA-428",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "AP107266",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "UT",
            "license": "189560-8901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in St George, UT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.