Active NPI
J Joseph Horan, MD
- Pediatrics Physician
- Saint Louis, MO
National Provider Identifier
1205801370
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 33410
- Practice address
- 9701 Landmark Parkway Dr
Suite 111
Saint Louis, MO 63127-1665 - Phone
- (314) 849-3885
- NPI assigned
- Feb 21, 2006
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 33410 | MO | Primary |
Addresses
Primary practice location
9701 Landmark Parkway Dr
Suite 111
Saint Louis, MO 63127-1665
Mailing address
9701 Landmark Parkway Dr
Suite 111
Saint Louis, MO 63127-1665
Phone (314) 849-3885
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 33410 | MO | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercy Clinic East Communities | Pediatrics | Past | Accepting new patients |
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140480000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1205801370",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9701 LANDMARK PARKWAY DR",
"address_2": "SUITE 111",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631271665",
"telephone_number": "314-849-3885"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9701 LANDMARK PARKWAY DR",
"address_2": "SUITE 111",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631271665",
"telephone_number": "314-849-3885"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HORAN",
"first_name": "J",
"middle_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-21",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "MO",
"license": "33410",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Saint Louis, MO
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.