Active NPI
Alexandra Claire Lesniak
- Mental Health Counselor
- Gaithersburg, MD
National Provider Identifier
1043120033
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- LGP18465
- Practice address
- 9053 Shady Grove CT
Gaithersburg, MD 20877-1301 - Phone
- (240) 810-3790
- NPI assigned
- Sep 10, 2026
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | LGP18465 | MD | Primary |
| Mental Health Counselor | 101YM0800X | LGPC200012721 | DC |
Addresses
Primary practice location
9053 Shady Grove CT
Gaithersburg, MD 20877-1301
Mailing address
9053 Shady Grove CT
Gaithersburg, MD 20877-1301
Phone (240) 810-3790
Other practice location 1
2600 Virginia Ave NW Ste 206
Washington, DC 20037-1945
Phone (240) 810-3790
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788998400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788998400000",
"number": "1043120033",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9053 SHADY GROVE CT",
"city": "GAITHERSBURG",
"state": "MD",
"postal_code": "208771301",
"telephone_number": "240-810-3790"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9053 SHADY GROVE CT",
"city": "GAITHERSBURG",
"state": "MD",
"postal_code": "208771301",
"telephone_number": "240-810-3790"
}
],
"practiceLocations": [
{
"address_1": "2600 Virginia Ave NW Ste 206",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200371945",
"country_code": "US",
"telephone_number": "240-810-3790",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LESNIAK",
"first_name": "ALEXANDRA",
"middle_name": "CLAIRE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-10",
"last_updated": "2026-09-10",
"certification_date": "2026-09-10",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "MD",
"license": "LGP18465",
"primary": true
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "DC",
"license": "LGPC200012721",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Gaithersburg, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.