Active NPI
Sebastian Alexander Hoak, MD
- Child & Adolescent Psychiatry Physician
- Chicago, IL
National Provider Identifier
1073259610
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- 036.174597
- Practice address
- 420 E Superior St
Chicago, IL 60611-4494 - Phone
- (312) 227-4000
- NPI assigned
- May 6, 2022
- Last updated
- Jun 11, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Child & Adolescent Psychiatry Physician | 2084P0804X | 036.174597 | IL | Primary |
Addresses
Primary practice location
420 E Superior St
Chicago, IL 60611-4494
Mailing address
420 E Superior St
Chicago, IL 60611-4494
Phone (312) 227-4000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20220510001514 | MI | Order and Referring Only - Psychiatry | 7618354879 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.174597 | IL | MD | Child & Adolescent Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651795200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749600000000",
"number": "1073259610",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "420 E SUPERIOR ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606114494",
"telephone_number": "312-227-4000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "420 E SUPERIOR ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606114494",
"telephone_number": "312-227-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOAK",
"first_name": "SEBASTIAN",
"middle_name": "ALEXANDER",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-05-06",
"last_updated": "2025-06-11",
"certification_date": "2025-06-11",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "IL",
"license": "036.174597",
"primary": true
}
],
"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 Jun 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.