NPIMap

Individual provider Active NPI

Alexander L. Chang

  • Psychiatry Physician
  • Chicago, IL
National Provider Identifier
1942705421
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
036177755 Issued in IL
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(888) 824-0200
NPI assigned
Mar 27, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 036177755 IL Primary
Psychiatry Physician 2084P0800X 290822 MA

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

150 Harvester Dr Ste 300
Burr Ridge, IL 60527-5965

Other practice location 1

1 Boston Medical Ctr Pl
Boston, MA 02118-2908
Phone (617) 414-5245

Other identifiers 1

IdentifierTypeStateIssuer
110135529AMedicaidMA

Medicare participation

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

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220625000210 MA Practitioner - Psychiatry 2567711807
I20260305000467 IL Practitioner - Psychiatry 2567711807 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
University of California, San Diego School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of ChicagoGroup PAC ID 7719899426, 1,674 clinicians

Practice addresses (Care Compare)

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (773) 702-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
036177755ILMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Chicago CurrentSince Feb 13, 2026 Accepting new patients
The University of Chicago Medical Center CurrentSince Feb 13, 2026 Accepting new patients
The University of Chicago Medical Center CurrentSince Feb 13, 2026 Accepting new patients
Boston Medical Center Corporation Current Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

960 Massachusetts Ave
Ste 2
Boston, MA 02118

1 Boston Medical Ctr Pl
Roxbury, MA 02118
Phone (617) 414-5245

Interoperability endpoints

  • Direct secure messaging: achang108863@direct.bmc.masshiway.net

Organizations & group practices 4

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 9

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": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1942705421",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "888-824-0200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Boston Medical Ctr Pl",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182908",
            "country_code": "US",
            "telephone_number": "617-414-5245",
            "fax_number": "617-414-5520",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ALEXANDER",
        "middle_name": "L.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-27",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "036177755",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "290822",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110135529A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.