Individual provider Active NPI

Anthony D Diaz, DO

  • Anesthesiology Physician
  • Elk Grove Village, IL
National Provider Identifier
1972783116
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
036113977 Issued in IL
Practice address
800 Biesterfield Rd
Dept of Anesthesia
Elk Grove Village, IL 60007-3361
Phone
(847) 437-5500
Fax
(847) 981-5589
NPI assigned
Nov 5, 2007
Last updated
Sep 18, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2025

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 1103-321 WI
Anesthesiology Physician 207L00000X 036113977 IL Primary

Addresses

Primary practice location

800 Biesterfield Rd
Dept of Anesthesia
Elk Grove Village, IL 60007-3361

Mailing address

4330 Department
Carol Stream, IL 60122-0001
Phone (847) 495-1603

Other practice location 1

1425 N Randall Rd
Elgin, IL 60123-2300
Phone (847) 742-9800

Other identifiers 2

IdentifierTypeStateIssuer
0161919966OtherILBLUE SHILED OF ILLINOIS
131983700OtherILUS DEPT OF LABOR

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address adiaz337433@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, WI2 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
I20071215000227 IL Practitioner - Anesthesiology 7517057425 Reassigns benefits to 3 organizations
I20221230000886 WI Practitioner - Anesthesiology 7517057425 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Midwestern University College of Dental Medicine, Downers Grove, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Vituity-Wisconsin Anesthesia SCGroup PAC ID 2163968819, 144 clinicians

Practice addresses (Care Compare)

1425 N Randall Rd
Elgin, IL 60123-2300
Phone (847) 742-9800

9555 76TH St
Pleasant Prairie, WI 53158-1984
Phone (262) 577-8000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036113977ILMDAnesthesiology Physician
1103-321WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Midwest Anesthesia Partners, LLC Anesthesiology CurrentSince May 1, 2022 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Jul 10, 2023 Accepting new patients
Vituity-Wisconsin Anesthesia SC Anesthesiology CurrentSince Aug 5, 2025 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Vituity-Wisconsin Anesthesia SC Anesthesiology CurrentSince Aug 5, 2025 Accepting new patients
Vituity-Wisconsin Anesthesia SC Anesthesiology Current Accepting new patients
Advocate Health & Hospitals Corporation CurrentSince Jul 10, 2023 Accepting new patients
Northstar Anesthesia of Illinois, LLC Anesthesiology CurrentSince Apr 20, 2022 Accepting new patients
Physician Anesthesia Associates, S.C. Anesthesiology Past Accepting new patients

Locations

515 W Algonquin Rd
Arlington Hts, IL 60005
Phone (847) 956-0099

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

2900 N Lakeshore
Chicago, IL 60657
Phone (773) 665-3240

29373 Network Pl
Chicago, IL 60673

1425 N Randall Rd
Elgin, IL 60123
Phone (224) 783-5437

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

1775 W Dempster St
Park Ridge, IL 60068
Phone (847) 723-5150

1423 Chicago Rd
Sauk Village, IL 60411
Phone (708) 679-2160

2301 N Lake Dr
Milwaukee, WI 53211
Phone (414) 270-4932

3237 S 16th St
Milwaukee, WI 53215
Phone (414) 647-5000

9555 76th St
Pleasant Prairie, WI 53158
Phone (262) 577-8000

Interoperability endpoints

  • Direct secure messaging: adiaz920938@direct.froedtert.com

Organizations & group practices 9

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.

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": "1194220800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1972783116",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4330 DEPARTMENT",
            "city": "CAROL STREAM",
            "state": "IL",
            "postal_code": "601220001",
            "telephone_number": "847-495-1603",
            "fax_number": "847-537-4866"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD",
            "address_2": "DEPT OF ANESTHESIA",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073361",
            "telephone_number": "847-437-5500",
            "fax_number": "847-981-5589"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1425 N Randall Rd",
            "address_purpose": "LOCATION",
            "city": "Elgin",
            "state": "IL",
            "postal_code": "601232300",
            "country_code": "US",
            "telephone_number": "847-742-9800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ANTHONY",
        "middle_name": "D",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-11-05",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "1103-321",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036113977",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHILED OF ILLINOIS",
            "identifier": "0161919966",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "US DEPT OF LABOR",
            "identifier": "131983700",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "adiaz337433@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1425 N Randall Rd",
            "city": "Elgin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601232300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1425 N Randall Rd",
            "city": "Elgin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601232300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Elk Grove Village, IL

Sources for this page

Verify at the official NPI Registry.