Active NPI
Riley B Busch, PA-C
- Physician Assistant
- O'Fallon, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 2024006272
- Practice address
- 1101 Highway K
O Fallon, MO 63366-8431 - Phone
- (636) 379-6363
- NPI assigned
- Mar 12, 2024
- Last updated
- Aug 5, 2025
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 2024006272 | MO | Primary |
Addresses
Primary practice location
1101 Highway K
O Fallon, MO 63366-8431
Mailing address
1200 E Broadway
Columbia, MO 65201-4979
Phone (573) 876-7105
Other practice location 1
13861 Manchester Rd
Ballwin, MO 63011-4503
Phone (636) 220-9333
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, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1035 Bellevue Ave
Suite 500
Saint Louis, MO 63117-1843
Phone (314) 925-4770
1101 Hwy K
O Fallon, MO 63366-8431
Phone (636) 379-6363
12409 Saint Charles Rock Rd
Bridgeton, MO 63044-2507
Phone (314) 961-2255
13426 Olive Blvd
Chesterfield, MO 63017-3111
Phone (314) 961-2255
2138 1St Capitol Dr
Saint Charles, MO 63301-5804
Phone (314) 961-2255
3909 Mexico Rd
Saint Peters, MO 63376-6408
Phone (314) 961-2255
4201 Hwy K
O Fallon, MO 63368-8230
Phone (314) 961-2255
507 S Main St
O Fallon, MO 63366-2534
Phone (314) 961-2255
600 Mid Rivers Mall Dr
Saint Peters, MO 63376-2460
Phone (314) 961-2255
9556 Manchester Rd
Saint Louis, MO 63119-1313
Phone (314) 961-2255
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| SSM Medical Group, Inc. | Current | Accepting new patients | |
| Total Access Urgent Care, PC | Current | Accepting new patients | |
| SSM Health Care St. Louis | Past | Accepting new patients |
Locations
1101 Highway K
O Fallon, MO 63366
Phone (636) 379-6347
1035 Bellevue Ave
Ste 500
Saint Louis, MO 63117
Phone (314) 647-1115
9556 Manchester Rd
Saint Louis, MO 63119
Phone (314) 373-5740
1717 Madison Ave
Washington, MO 63090
Phone (636) 244-6950
13861 Manchester Rd
Wildwood, MO 63011
Phone (636) 220-9333
Organizations & group practices 3
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.
-
dba SSM Health Medical Group
- Multi-Specialty Clinic/Center
- Fenton, MO
- NPI 1700966207
-
dba Total Access Urgent Care
- Urgent Care Clinic/Center
- Saint Louis, MO
- NPI 1962684886
-
dba SSM Health St. Joseph Hospital - St. Charles Physician Billing
- Emergency Medicine Physician
- Saint Charles, MO
- NPI 1427002922
Hospital & facility affiliations 3
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
-
- Rehabilitation Hospital
- Richmond Heights, MO
- NPI 1659511988
Inpatient rehabilitation facility
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1710201600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754352000000",
"number": "1013775238",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1200 E BROADWAY",
"city": "COLUMBIA",
"state": "MO",
"postal_code": "652014979",
"telephone_number": "573-876-7105"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1101 HIGHWAY K",
"city": "O FALLON",
"state": "MO",
"postal_code": "633668431",
"telephone_number": "636-379-6363"
}
],
"practiceLocations": [
{
"address_1": "13861 Manchester Rd",
"address_purpose": "LOCATION",
"city": "Ballwin",
"state": "MO",
"postal_code": "630114503",
"country_code": "US",
"telephone_number": "636-220-9333",
"fax_number": "636-220-9334",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BUSCH",
"first_name": "RILEY",
"middle_name": "B",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2024-03-12",
"last_updated": "2025-08-05",
"certification_date": "2025-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MO",
"license": "2024006272",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in O'Fallon, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.