Adrianna K Chauncey, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036135080 Issued in IL

Practice address

200 S Wacker Dr FL 31
Chicago, IL 60606-5877

Phone

(866) 849-0692

Fax

(888) 973-8821

NPI assigned

Mar 31, 2011

Last updated

Oct 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 8

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Osh-Il Physicians Group LLC

  • Primary Care Clinic/Center
  • East Saint Louis, IL
  • NPI 1265977698

  Internal Medicine

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1301529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792713600000",
    "number": "1578852562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 211699",
            "city": "EAGAN",
            "state": "MN",
            "postal_code": "551213699",
            "telephone_number": "866-849-0692",
            "fax_number": "888-973-8821"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 S WACKER DR FL 31",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606065877",
            "telephone_number": "866-849-0692",
            "fax_number": "888-973-8821"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1950 Harlem Ave",
            "address_purpose": "LOCATION",
            "city": "North Riverside",
            "state": "IL",
            "postal_code": "605461470",
            "country_code": "US",
            "telephone_number": "708-354-9250",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18 Chicago Ave",
            "address_purpose": "LOCATION",
            "city": "Oak Park",
            "state": "IL",
            "postal_code": "603022402",
            "country_code": "US",
            "telephone_number": "773-253-3933",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "211 E Chicago Ave Ste 1050",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112661",
            "country_code": "US",
            "telephone_number": "312-695-8630",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHAUNCEY",
        "first_name": "ADRIANNA",
        "middle_name": "K",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-31",
        "last_updated": "2026-10-23",
        "certification_date": "2026-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "55265",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "0007720",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2026-05547",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35C.004945",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036135080",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "248462",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01101625A",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "50881",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Zaid Chaudhry, DPT
• Azraa Sofia Chaudhury
• Sonali S Chaudhury, MD
• Nisha Chauhan, DDS
• Niyati Rahul Chauhan, PT
• Lauren Chavanne, MD
• Claudia Chavarin
• Ruth Lizbeth Chavarria
• Vandan Chavda
• Lauren Lynn Chaves, RD LDN

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.