Individual provider Active NPI

Armin Tadayyon, MD, MBA

  • Anesthesiology Physician
  • Elgin, IL
National Provider Identifier
1487280400
Registry record updated Jul 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
036.173742 Issued in IL
Practice address
1425 N Randall Rd
Elgin, IL 60123-2300
Phone
(847) 742-9800
Fax
(847) 429-2032
NPI assigned
Mar 21, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 036.173742 IL Primary

Addresses

Primary practice location

1425 N Randall Rd
Elgin, IL 60123-2300

Mailing address

29373 Network PL
Chicago, IL 60673-1293
Phone (847) 390-5900

Other practice location 1

77 Goodell St Ste 550
Buffalo, NY 14203-1258
Phone (716) 829-6104

Other practice location 2

1601 Parkview Ave
Rockford, IL 61107-1822
Phone (847) 812-6497

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address atadayyon431829@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
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250522000850 IL Practitioner - Anesthesiology 1456870526 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Advocate Sherman Hospital Hospital, Elgin, IL, CCN 140030
  • Advocate Good Shepherd Hospital Hospital, Barrington, IL, CCN 140291

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Business Administration, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.173742ILMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health and Hospitals Corporation CurrentSince Jun 28, 2025 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Jun 28, 2025 Accepting new patients

Locations

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

29373 Network Pl
Chicago, IL 60673

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

Interoperability endpoints

  • Direct secure messaging: atadayyon431829@direct.myadvocateaurora.org

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 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": "1584748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753833600000",
    "number": "1487280400",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900",
            "fax_number": "847-390-4757"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 N RANDALL RD",
            "city": "ELGIN",
            "state": "IL",
            "postal_code": "601232300",
            "telephone_number": "847-742-9800",
            "fax_number": "847-429-2032"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "77 Goodell St Ste 550",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142031258",
            "country_code": "US",
            "telephone_number": "716-829-6104",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1601 Parkview Ave",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611071822",
            "country_code": "US",
            "telephone_number": "847-812-6497",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TADAYYON",
        "first_name": "ARMIN",
        "name_prefix": "Dr.",
        "credential": "MD, MBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-21",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036.173742",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "atadayyon431829@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 Elgin, IL

Sources for this page

Verify at the official NPI Registry.