Active NPI
Lindsay L Lanser, NP
- Nurse Practitioner
- Hartford, WI
National Provider Identifier
1801733654
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 18257-33
- Practice address
- 1640 E Sumner St
Hartford, WI 53027-2684 - Phone
- (262) 670-4000
- NPI assigned
- Apr 30, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | 18257-33 | WI | Primary |
Addresses
Primary practice location
1640 E Sumner St
Hartford, WI 53027-2684
Mailing address
PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 18257-33 | WI | MD | Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1777507200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777507200000",
"number": "1801733654",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 735044",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606735044",
"telephone_number": "800-326-2250"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1640 E SUMNER ST",
"city": "HARTFORD",
"state": "WI",
"postal_code": "530272684",
"telephone_number": "262-670-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LANSER",
"first_name": "LINDSAY",
"middle_name": "L",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-04-30",
"last_updated": "2026-04-30",
"certification_date": "2026-04-30",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "WI",
"license": "18257-33",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Hartford, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.