Active NPI
Alyssa Kathryn Chao, MD
- Student in an Organized Health Care Education/Training Program
- Chicago, IL
National Provider Identifier
1851060784
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Student in an Organized Health Care Education/Training Program
- Practice address
- 5841 S Maryland Ave
Chicago, IL 60637-1443 - Phone
- (773) 702-6222
- Fax
- (773) 834-7250
- NPI assigned
- Sep 13, 2021
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | Primary | ||
| Neurology Physician | 2084N0400X | 125087086 | IL |
Addresses
Primary practice location
5841 S Maryland Ave
Chicago, IL 60637-1443
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 60527-6686
Phone (773) 702-1150
Other practice location 1
240 E Huron St Ste 1-200
Chicago, IL 60611-2909
Phone (312) 503-7975
Other practice location 2
450 Stanyan St
San Francisco, CA 94117-1019
Phone (415) 750-5942
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 125087086 | IL | MD | Neurology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1631491200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778025600000",
"number": "1851060784",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "180 HARVESTER DR STE 110",
"city": "BURR RIDGE",
"state": "IL",
"postal_code": "605276686",
"telephone_number": "773-702-1150"
},
{
"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": "773-702-6222",
"fax_number": "773-834-7250"
}
],
"practiceLocations": [
{
"address_1": "240 E Huron St Ste 1-200",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606112909",
"country_code": "US",
"telephone_number": "312-503-7975",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "450 Stanyan St",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941171019",
"country_code": "US",
"telephone_number": "415-750-5942",
"fax_number": "415-750-5594",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHAO",
"first_name": "ALYSSA",
"middle_name": "KATHRYN",
"name_prefix": "Ms.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2021-09-13",
"last_updated": "2026-05-06",
"certification_date": "2026-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": true
},
{
"code": "2084N0400X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Neurology",
"state": "IL",
"license": "125087086",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.