Active NPI
Christine Treski, MFT, CADC, PCGC
- Marriage & Family Therapist
- Chicago, IL
National Provider Identifier
1982911129
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 166001221
- Practice address
- 3758 N Sheffield Ave Apt 3S
Chicago, IL 60613-5037 - Phone
- (619) 804-3316
- NPI assigned
- Sep 9, 2010
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | 34319 | IL | |
| Marriage & Family Therapist | 106H00000X | 166001221 | IL | Primary |
| Marriage & Family Therapist | 106H00000X | LF61079154 | WA |
Addresses
Primary practice location
3758 N Sheffield Ave Apt 3S
Chicago, IL 60613-5037
Mailing address
3758 N Sheffield Ave Apt 3S
Chicago, IL 60613-5037
Phone (619) 804-3316
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 34319 | IL | MD | Addiction (Substance Use Disorder) Counselor |
| 166001221 | IL | MD | Marriage & Family Therapist |
| LF61079154 | WA | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1283990400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770768000000",
"number": "1982911129",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3758 N SHEFFIELD AVE APT 3S",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606135037",
"telephone_number": "619-804-3316"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3758 N SHEFFIELD AVE APT 3S",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606135037",
"telephone_number": "619-804-3316"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TRESKI",
"first_name": "CHRISTINE",
"name_prefix": "Mrs.",
"credential": "MFT, CADC, PCGC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2010-09-09",
"last_updated": "2026-02-11",
"certification_date": "2026-02-11",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "IL",
"license": "34319",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "IL",
"license": "166001221",
"primary": true
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "WA",
"license": "LF61079154",
"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 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.