Active NPI
Leslie A Wiss, MA, LPC
- Counselor
- O'Fallon, MO
National Provider Identifier
1225340300
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Counselor
- License
- 2010017636
- Practice address
- 1555 Tea Party LN
O Fallon, MO 63366-5519 - Phone
- (314) 458-3836
- NPI assigned
- Jul 6, 2010
- Last updated
- Oct 9, 2025
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Counselor | 101Y00000X | 2010017636 | MO | Primary |
Addresses
Primary practice location
1555 Tea Party LN
O Fallon, MO 63366-5519
Mailing address
1555 Tea Party LN
O Fallon, MO 63366-5519
Phone (314) 458-3836
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
- Credentials
- Master of Arts
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2010017636 | MO | MD | Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1278374400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759968000000",
"number": "1225340300",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1555 TEA PARTY LN",
"city": "O FALLON",
"state": "MO",
"postal_code": "633665519",
"telephone_number": "314-458-3836"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1555 TEA PARTY LN",
"city": "O FALLON",
"state": "MO",
"postal_code": "633665519",
"telephone_number": "314-458-3836"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WISS",
"first_name": "LESLIE",
"middle_name": "A",
"credential": "MA, LPC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2010-07-06",
"last_updated": "2025-10-09",
"certification_date": "2025-10-09",
"status": "A"
},
"taxonomies": [
{
"code": "101Y00000X",
"taxonomy_group": "",
"desc": "Counselor",
"state": "MO",
"license": "2010017636",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in O'Fallon, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.