Individual provider Active NPI

Nicholas A Simpson, C-AA

  • Anesthesiologist Assistant
  • Saint Louis, MO
National Provider Identifier
1053020727
Registry record updated Nov 21, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiologist AssistantTaxonomy code 367H00000X
License
PENDING Issued in MO
Practice address
615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone
(314) 251-6000
Fax
(636) 386-7679
NPI assigned
Nov 21, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 21, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiologist Assistant 367H00000X PENDING MO Primary

Addresses

Primary practice location

615 S New Ballas Rd
Saint Louis, MO 63141-8221

Mailing address

339 Consort Dr
Ballwin, MO 63011-4439
Phone (636) 386-9224

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, TX2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230112002675 MO Practitioner - Anesthesiology Assistant 8527439314 Reassigns benefits to 1 organization
I20250522002200 TX Practitioner - Anesthesiology Assistant 8527439314 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology Assistant
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Austin Anesthesiology Group PLLCGroup PAC ID 0547256497, 430 clinicians

Practice addresses (Care Compare)

919 E 32ND St
Austin, TX 78705-2703
Phone (512) 343-2466

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Associate of Arts

Practice roles

OrganizationSpecialtyStatusNew patients
Austin Anesthesiology Group, PLLC Anesthesiologist Assistant CurrentSince Mar 15, 2025 Accepting new patients
Western Anesthesiology Associates, Inc. CurrentSince Jan 16, 2023 Accepting new patients
Austin Anesthesiology Group PLLC CurrentSince Mar 15, 2025 Accepting new patients

Locations

339 Consort Dr
Ballwin, MO 63011
Phone (636) 386-7222

615 S New Ballas Rd
Saint Louis, MO 63141
Phone (314) 251-4687

1305 Walt Whitman Rd
Ste 300
Melville, NY 11747
Phone (516) 370-3796

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

1201 W Louis Henna Blvd
Austin, TX 78681
Phone (512) 248-7000

12221 N Mopac Expy
Austin, TX 78758
Phone (512) 901-2530

901 W Ben White Blvd
Austin, TX 78704
Phone (512) 342-2382

2400 Round Rock Ave
Round Rock, TX 78681
Phone (512) 255-6066

Organizations & group practices 3

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": "1668988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1668988800000",
    "number": "1053020727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "339 CONSORT DR",
            "city": "BALLWIN",
            "state": "MO",
            "postal_code": "630114439",
            "telephone_number": "636-386-9224",
            "fax_number": "636-386-9224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6000",
            "fax_number": "636-386-7679"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "NICHOLAS",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "C-AA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-11-21",
        "last_updated": "2022-11-21",
        "certification_date": "2022-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "MO",
            "license": "PENDING",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 2022; 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.