Active NPI
Tessahealth PLLC
- Psychiatric/Mental Health Nurse Practitioner
- Chicago, IL
National Provider Identifier
1154002103
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- Legal business name
- TESSAHEALTH PLLC
- Practice address
- 159 N Sangamon St Ste 200
Chicago, IL 60607-2201 - Phone
- (773) 923-3543
- Fax
- (773) 232-8609
- NPI assigned
- Jul 31, 2023
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Brett Stephan, APRN, PMHNP-BC
- Title
- Owner, Pmhnp
- Phone
- (773) 923-3543
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | Primary |
Addresses
Primary practice location
159 N Sangamon St Ste 200
Chicago, IL 60607-2201
Mailing address
159 N Sangamon St Ste 200
Chicago, IL 60607-2201
Phone (773) 923-3543
Other practice location 1
12035 N Saguaro Blvd Ste 204
Fountain Hills, AZ 85268-4647
Phone (773) 923-3543
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Psychiatric/Mental Health Nurse Practitioner
- Chicago, IL
- NPI 1518544477
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1690761600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1770768000000",
"number": "1154002103",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "159 N SANGAMON ST STE 200",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606072201",
"telephone_number": "773-923-3543",
"fax_number": "773-232-8609"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "159 N SANGAMON ST STE 200",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606072201",
"telephone_number": "773-923-3543",
"fax_number": "773-232-8609"
}
],
"practiceLocations": [
{
"address_1": "12035 N Saguaro Blvd Ste 204",
"address_purpose": "LOCATION",
"city": "Fountain Hills",
"state": "AZ",
"postal_code": "852684647",
"country_code": "US",
"telephone_number": "773-923-3543",
"fax_number": "773-232-8609",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "TESSAHEALTH PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2023-07-31",
"last_updated": "2026-02-11",
"certification_date": "2026-02-11",
"status": "A",
"authorized_official_last_name": "STEPHAN",
"authorized_official_first_name": "BRETT",
"authorized_official_title_or_position": "OWNER, PMHNP",
"authorized_official_telephone_number": "773-923-3543",
"authorized_official_credential": "APRN, PMHNP-BC"
},
"taxonomies": [
{
"code": "363LP0808X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": null,
"license": null,
"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 Feb 11, 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.