Active NPI
Madison Santo
- Physician Assistant
- Lake St Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 100 Medical PLZ
Lake St Louis, MO 63367-1366 - Phone
- (636) 625-5297
- NPI assigned
- Sep 19, 2025
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | Primary |
Addresses
Primary practice location
100 Medical PLZ
Lake St Louis, MO 63367-1366
Mailing address
2307 Heartland View Cir
Wentzville, MO 63385-2506
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
12303 De Paul Dr
Bridgeton, MO 63044-2512
Phone (314) 344-6000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
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 and National Provider Directory roles.
-
- Hospitalist Physician
- Bridgeton, MO
- NPI 1043598865
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba SSM Health St. Joseph Hospital - St. Charles
- General Acute Care Hospital
- Saint Charles, MO
- NPI 1467521146
-
dba SSM Health St Joseph Hospital - Lake Saint Louis
- General Acute Care Hospital
- Lake St Louis, MO
- NPI 1871665380
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1758240000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758240000000",
"number": "1447122403",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2307 HEARTLAND VIEW CIR",
"city": "WENTZVILLE",
"state": "MO",
"postal_code": "633852506"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 MEDICAL PLZ",
"city": "LAKE ST LOUIS",
"state": "MO",
"postal_code": "633671366",
"telephone_number": "636-625-5297"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SANTO",
"first_name": "MADISON",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-09-19",
"last_updated": "2025-09-19",
"certification_date": "2025-09-19",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lake St Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.