Individual provider Active NPI

Amy Jo Croxson, CRNA

  • Certified Registered Nurse Anesthetist
  • Houston, TX
National Provider Identifier
1598073991
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
AP125109 Issued in TX
Practice address
6720 Bertner Ave
Houston, TX 77030-2604
Phone
(832) 355-2666
NPI assigned
Sep 20, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 846376 TX
Certified Registered Nurse Anesthetist 367500000X AP125109 TX Primary
Certified Registered Nurse Anesthetist 367500000X 18563-33 WI

Addresses

Primary practice location

6720 Bertner Ave
Houston, TX 77030-2604

Mailing address

PO Box 840853
Dallas, TX 75284-0853
Phone (972) 233-1999

Other practice location 1

1500 Citywest Blvd Ste 300
Houston, TX 77042-2549
Phone (713) 620-4000

Other practice location 2

6606 Lbj Fwy Ste 200
Dallas, TX 75240-6524
Phone (972) 715-5000

Other practice location 3

1 Baylor Plz
MS:BCM 115; DeBakey Building, Suite M108
Houston, TX 77030-3411
Phone (713) 798-8650

Other names 1

  • Amy Jo Umnus Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140402001745 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 6204067333 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians
Austin Anesthesiology Group PLLCGroup PAC ID 0547256497, 430 clinicians

Practice addresses (Care Compare)

1500 Citywest Blvd
Suite 300
Houston, TX 77042-2549
Phone (713) 620-4000

7600 Fannin St
Houston, TX 77054-1906
Phone (713) 790-1349

7900 Fannin St
Suite 2300
Houston, TX 77054-2947
Phone (713) 790-1349

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
846376TXMDCertified Registered Nurse Anesthetist
AP125109TXMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Mar 4, 2014 Accepting new patients
U S Anesthesia Partners of Texas, PA Nurse Anesthetist, Certified Registered CurrentSince Oct 1, 2017 Accepting new patients
Baylor College of Medicine CurrentSince Mar 1, 2014 Accepting new patients
Compass Anesthesia Providers PLLC CurrentSince Jan 6, 2024 Accepting new patients
U. S. Anesthesia Partners of Texas, P.a., Nurse Anesthetist, Certified Registered CurrentSince Oct 1, 2017 Accepting new patients
Baylor College of Medicine CurrentSince Mar 4, 2014 Accepting new patients
Austin Anesthesiology Group PLLC CurrentSince Nov 17, 2021 Accepting new patients
Baylor College of Medicine Current Accepting new patients
Austin Anesthesiology Group, PLLC Nurse Anesthetist, Certified Registered CurrentSince Nov 17, 2021 Accepting new patients
Emergenchealth PLLC Nurse Anesthetist, Certified Registered CurrentSince Apr 1, 2022 Accepting new patients
Baylor College of Medicine CurrentSince Mar 1, 2014 Accepting new patients

Locations

919 E 32nd St
Austin, TX 78705
Phone (512) 343-2466

4201 Garth Rd
Ste 212
Baytown, TX 77521
Phone (281) 420-9355

7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

7700 Fannin St
Houston, TX 77054
Phone (713) 790-1349

2855 Gramercy St
Ste 100
Houston, TX 77025
Phone (713) 529-8603

2855 Gramercy St
Houston, TX 77025
Phone (713) 668-1828

7900 Fannin St
Ste 2
Houston, TX 77054
Phone (713) 790-1349

1500 Citywest Blvd
Ste 300
Houston, TX 77042
Phone (713) 458-4185

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

7600 Fannin St
Houston, TX 77054
Phone (713) 791-7115

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

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

7400 Barlite Blvd
San Antonio, TX 78224
Phone (210) 921-2000

1211 Highway 6
Sugar Land, TX 77478
Phone (281) 238-3900

1211 Highway 6
Ste 70
Sugar Land, TX 77478
Phone (281) 238-3902

6801 Emmett F Lowry Expy
Texas City, TX 77591
Phone (409) 938-5095

6720 Bertner Ave
Va Hospital, TX 77030
Phone (713) 785-8537

Organizations & group practices 11

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 2

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": "1284940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1598073991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 840853",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752840853",
            "telephone_number": "972-233-1999",
            "fax_number": "972-233-3666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6720 BERTNER AVE",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302604",
            "telephone_number": "832-355-2666"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Citywest Blvd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770422549",
            "country_code": "US",
            "telephone_number": "713-620-4000",
            "fax_number": "713-458-4229",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6606 Lbj Fwy Ste 200",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "752406524",
            "country_code": "US",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Baylor Plz",
            "address_2": "MS:BCM 115; DeBakey Building, Suite M108",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303411",
            "country_code": "US",
            "telephone_number": "713-798-8650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CROXSON",
        "first_name": "AMY",
        "middle_name": "JO",
        "name_prefix": "Ms.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-09-20",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "846376",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "AP125109",
            "primary": true
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WI",
            "license": "18563-33",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AMY",
            "last_name": "UMNUS",
            "middle_name": "JO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Houston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2026; 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.