Active NPI
Joseph William Lasnoski, DDS MS
- Prosthodontics
- Green Bay, WI
National Provider Identifier
1346331741
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Prosthodontics
- License
- 2901015553
- Practice address
- 138 Siegler St
Green Bay, WI 54303 - Phone
- (920) 499-9958
- Fax
- (920) 499-1492
- NPI assigned
- Sep 28, 2006
- Last updated
- Sep 11, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dentist | 122300000X | 2901015553 | MI | |
| Prosthodontics | 1223P0700X | 5001473015 | WI | |
| Prosthodontics | 1223P0700X | 2901015553 | MI | Primary |
Addresses
Primary practice location
138 Siegler St
Green Bay, WI 54303
Mailing address
138 Siegler St
Green Bay, WI 54303
Phone (920) 499-9958
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: No
- Hospice: Yes
- Opted out of Medicare
- Yes, effective May 25, 2018 through May 25, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2901015553 | MI | MD | Prosthodontist |
| 5001473015 | WI | MD | Prosthodontist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Baylakes Center for Complex Dentistry SC | Dentist | 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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159401600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1346331741",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "138 SIEGLER ST",
"city": "GREEN BAY",
"state": "WI",
"postal_code": "54303",
"telephone_number": "920-499-9958",
"fax_number": "920-499-1492"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "138 SIEGLER ST",
"city": "GREEN BAY",
"state": "WI",
"postal_code": "54303",
"telephone_number": "920-499-9958",
"fax_number": "920-499-1492"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LASNOSKI",
"first_name": "JOSEPH",
"middle_name": "WILLIAM",
"name_prefix": "Dr.",
"credential": "DDS MS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-09-28",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MI",
"license": "2901015553",
"primary": false
},
{
"code": "1223P0700X",
"taxonomy_group": "",
"desc": "Dentist, Prosthodontics",
"state": "WI",
"license": "5001473015",
"primary": false
},
{
"code": "1223P0700X",
"taxonomy_group": "",
"desc": "Dentist, Prosthodontics",
"state": "MI",
"license": "2901015553",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Green Bay, WI
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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.