Active NPI
Leslie Martyn Gennari, LCSW, LMFT
- Marriage & Family Therapist
- Saint Louis, MO
National Provider Identifier
1992823231
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 1999137566
- Practice address
- 1810 Craig Rd
Suite #203
Saint Louis, MO 63146-4760 - Phone
- (314) 576-0871
- NPI assigned
- Mar 26, 2007
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 000637 | MO | |
| Marriage & Family Therapist | 106H00000X | 1999137566 | MO | Primary |
Addresses
Primary practice location
1810 Craig Rd
Suite #203
Saint Louis, MO 63146-4760
Mailing address
1810 Craig Rd
Suite #203
Saint Louis, MO 63146-4760
Phone (314) 576-0871
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 |
|---|---|---|---|
| 000637 | MO | MD | Clinical Social Worker |
| 1999137566 | MO | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1174867200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1992823231",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1810 CRAIG RD",
"address_2": "SUITE #203",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631464760",
"telephone_number": "314-576-0871"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1810 CRAIG RD",
"address_2": "SUITE #203",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631464760",
"telephone_number": "314-576-0871"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GENNARI",
"first_name": "LESLIE",
"middle_name": "MARTYN",
"credential": "LCSW, LMFT",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-03-26",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MO",
"license": "000637",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "MO",
"license": "1999137566",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Saint Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.