Active NPI
Madison Kennedy Steinberg, ACNPC-AG
- Acute Care Nurse Practitioner
- Chesterfield, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Acute Care Nurse Practitioner
- License
- 2025003529
- Practice address
- 121 Saint Lukes Center Dr Ste 404
Building a
Chesterfield, MO 63017-3519 - Phone
- (314) 864-8720
- Fax
- (314) 997-6969
- NPI assigned
- Feb 7, 2025
- Last updated
- Jan 12, 2026
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | 2025003529 | MO | Primary |
Addresses
Primary practice location
121 Saint Lukes Center Dr Ste 404
Building a
Chesterfield, MO 63017-3519
Mailing address
121 Saint Lukes Center Dr Ste 404
Building a
Chesterfield, MO 63017-3519
Phone (314) 864-8720
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
- Nurse Practitioner
- Education
- Other, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
121 Saint Lukes Ctr Dr
Chesterfield, MO 63017-3519
Phone (314) 991-6969
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Heart Health Specialists, LLC | Single Specialty | Current | Accepting new patients |
| Chesterfield Cardiology Care, LLC | Single Specialty | Current | Accepting new patients |
| Heart Care Specialists, LLC | Single Specialty | Current | Accepting new patients |
| Cardiac Specialists of St Luke's, LLC | Single Specialty | Current | Accepting new patients |
| St. Lukes Medical Group | Single Specialty | Past | Accepting new patients |
Locations
121 Saint Lukes Center Dr
Chesterfield, MO 63017
Phone (314) 434-3278
121 Saint Lukes Center Dr
Ste 303
Chesterfield, MO 63017
Phone (314) 434-3278
121 Saint Lukes Center Dr
Ste 404
Chesterfield, MO 63017
Phone (314) 205-6420
222 S Woods Mill Rd
Ste 500N
Chesterfield, MO 63017
Phone (314) 205-6699
222 S Woods Mill Rd
Ste 560
Chesterfield, MO 63017
Phone (314) 485-8788
450 N New Ballas Rd
Ste 270
Saint Louis, MO 63141
Phone (314) 989-1300
Organizations & group practices 5
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.
-
- Medical Specialty Clinic/Center
- Saint Louis, MO
- NPI 1275031866
Single Specialty
-
- Cardiovascular Disease Physician
- Chesterfield, MO
- NPI 1285691063
Single Specialty
-
- Cardiovascular Disease Physician
- Chesterfield, MO
- NPI 1134672587
Single Specialty
-
- Cardiovascular Disease Physician
- Chesterfield, MO
- NPI 1053756296
Single Specialty
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba St. Luke's Hospital
- General Acute Care Hospital
- Chesterfield, MO
- NPI 1346251543
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1738886400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768176000000",
"number": "1033924139",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "121 SAINT LUKES CENTER DR STE 404",
"address_2": "BUILDING A",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630173519",
"telephone_number": "314-864-8720"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "121 SAINT LUKES CENTER DR STE 404",
"address_2": "BUILDING A",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630173519",
"telephone_number": "314-864-8720",
"fax_number": "314-997-6969"
}
],
"practiceLocations": [],
"basic": {
"last_name": "STEINBERG",
"first_name": "MADISON",
"middle_name": "KENNEDY",
"credential": "ACNPC-AG",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-02-07",
"last_updated": "2026-01-12",
"certification_date": "2026-01-12",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner, Acute Care",
"state": "MO",
"license": "2025003529",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chesterfield, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 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.
- 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.