Active NPI
Barrett F Schwartz, MD PHD
- Dermatology Physician
- La Crosse, WI
National Provider Identifier
1871574970
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- License
- 40874
- Practice address
- 800 West Ave S
La Crosse, WI 54601-8806 - Phone
- (608) 791-9491
- Fax
- (608) 791-4158
- NPI assigned
- Nov 7, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | 40874 | WI | Primary |
Addresses
Primary practice location
800 West Ave S
La Crosse, WI 54601-8806
Mailing address
800 West Ave S
La Crosse, WI 54601-8806
Phone (608) 791-9491
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
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 40874 | WI | MD | Dermatology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131321600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1871574970",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "800 WEST AVE S",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546018806",
"telephone_number": "608-791-9491",
"fax_number": "608-791-4158"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "800 WEST AVE S",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546018806",
"telephone_number": "608-791-9491",
"fax_number": "608-791-4158"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SCHWARTZ",
"first_name": "BARRETT",
"middle_name": "F",
"credential": "MD PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-07",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "WI",
"license": "40874",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in La Crosse, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.