Active NPI
Gwendolyn Lopez
- Mental Health Counselor
- Lincoln, NE
National Provider Identifier
1023962396
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- 14758
- Practice address
- 1040 N Cotner Blvd
Lincoln, NE 68505-2229 - Phone
- (402) 413-9583
- NPI assigned
- Feb 24, 2026
- Last updated
- Feb 24, 2026
- Sex
- Unspecified or another gender identity
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | 14758 | NE | Primary |
Addresses
Primary practice location
1040 N Cotner Blvd
Lincoln, NE 68505-2229
Mailing address
1040 N Cotner Blvd
Lincoln, NE 68505-2229
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 |
|---|---|---|---|
| 14758 | NE | MD | Mental Health Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Karen Marker Counseling, LLC | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Community/Behavioral Health Agency
- Lincoln, NE
- NPI 1235679424
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1771891200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771891200000",
"number": "1023962396",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1040 N COTNER BLVD",
"city": "LINCOLN",
"state": "NE",
"postal_code": "685052229"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1040 N COTNER BLVD",
"city": "LINCOLN",
"state": "NE",
"postal_code": "685052229",
"telephone_number": "402-413-9583"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LOPEZ",
"first_name": "GWENDOLYN",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2026-02-24",
"last_updated": "2026-02-24",
"certification_date": "2026-02-24",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "NE",
"license": "14758",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lincoln, NE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.