Individual provider Active NPI

William Pohl Corbett III, MD

  • Anesthesiology Physician
  • Saint Louis, MO
National Provider Identifier
1033613799
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
2020016811 Issued in MO
Practice address
615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone
(636) 386-9224
Fax
(636) 386-7679
NPI assigned
Mar 19, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 036.178349 IL
Anesthesiology Physician 207L00000X 2020016811 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

Other practice location 1

901 E 5th St
Washington, MO 63090-3127
Phone (636) 386-9224

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, IL2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240912001026 MO Practitioner - Anesthesiology 6305260662 Reassigns benefits to 1 organization
I20260210001849 IL Practitioner - Anesthesiology 6305260662 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North American Partners in Anesthesia Illinois LLCGroup PAC ID 1052576519, 431 clinicians
Western Anesthesiology Associates IncGroup PAC ID 6204720667, 251 clinicians

Practice addresses (Care Compare)

1 Saint Elizabeth Blvd
O Fallon, IL 62269-1099
Phone (618) 234-2120

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone (314) 251-4687

901 Patients 1St Dr
Washington, MO 63090-4700
Phone (636) 390-1715

Hospital & facility affiliations

  • HSHS St Elizabeth'S Hospital Hospital, O Fallon, IL, CCN 140187
  • Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020
  • Mercy Hospital Washington Hospital, Washington, MO, CCN 260052
  • St Josephs Hospital Hospital, Breese, IL, CCN 140145

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.178349ILMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Western Anesthesiology Associates, Inc. Anesthesiology CurrentSince Aug 1, 2024 Accepting new patients
North American Partners in Anesthesia (Illinois), LLC Anesthesiology CurrentSince Dec 28, 2025 Accepting new patients

Locations

3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696

1 Saint Elizabeth Blvd
O Fallon, IL 62269
Phone 618234212012438

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

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

901 E 5th St
Washington, MO 63090
Phone (636) 239-8000

901 Patients First Dr
Ste 108
Washington, MO 63090
Phone (636) 390-1715

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 and National Provider Directory roles.

Hospital & facility affiliations 6

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": "1521417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1033613799",
    "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": "636-386-7679"
        },
        {
            "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": "636-386-9224",
            "fax_number": "636-386-7679"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "901 E 5th St",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "MO",
            "postal_code": "630903127",
            "country_code": "US",
            "telephone_number": "636-386-9224",
            "fax_number": "636-386-7679",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CORBETT",
        "first_name": "WILLIAM",
        "middle_name": "POHL",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-19",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036.178349",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MO",
            "license": "2020016811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.