Active NPI
Leah Rose Kostos, MBA, RDN, LDN, CPT
- Registered Dietitian
- Milwaukee, WI
National Provider Identifier
1497430979
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 164009226
- Practice address
- 1433 N Water St Ste 400
Milwaukee, WI 53202-2603 - Phone
- (262) 672-1381
- NPI assigned
- Jun 21, 2023
- 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 164009226 | IL | Primary |
| Registered Dietitian | 133V00000X | 564929 | WI |
Addresses
Primary practice location
1433 N Water St Ste 400
Milwaukee, WI 53202-2603
Mailing address
1108 N Milwaukee St Unit 119
Milwaukee, WI 53202-3152
Phone (262) 672-1381
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
- Master of Arts, Master of Business Administration
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 164009226 | IL | MD | Registered Dietitian |
| 564929 | WI | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mindful Munch Nutrition LLC | Dietitian, Registered | Current | Accepting new patients |
| Fay Nutrition | Dietitian, Registered | Past | Accepting new patients |
Locations
1433 N Water St
Ste 400
Milwaukee, WI 53202
Phone (414) 289-7154
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1687305600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774137600000",
"number": "1497430979",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1108 N MILWAUKEE ST UNIT 119",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532023152",
"telephone_number": "262-672-1381"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1433 N WATER ST STE 400",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532022603",
"telephone_number": "262-672-1381"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOSTOS",
"first_name": "LEAH",
"middle_name": "ROSE",
"credential": "MBA, RDN, LDN, CPT",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-06-21",
"last_updated": "2026-03-22",
"certification_date": "2026-03-22",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "IL",
"license": "164009226",
"primary": true
},
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "WI",
"license": "564929",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Milwaukee, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 22, 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.