Active NPI
Kenneth Wayne Klesh, M.D.
- Neonatal-Perinatal Medicine Physician
- Saint Louis, MO
National Provider Identifier
1447213178
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- R8G17
- Practice address
- 621 S New Ballas Rd
Saint Louis, MO 63141-8241 - Phone
- (314) 251-5860
- Fax
- (314) 251-5861
- NPI assigned
- Apr 12, 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 |
|---|---|---|---|---|
| Neonatal-Perinatal Medicine Physician | 2080N0001X | R8G17 | MO | Primary |
Addresses
Primary practice location
621 S New Ballas Rd
Saint Louis, MO 63141-8241
Mailing address
18108 Bent Ridge Dr
Wildwood, MO 63038-1435
Phone (636) 458-4177
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 |
|---|---|---|---|
| R8G17 | MO | MD | Neonatal-Perinatal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1447213178",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18108 BENT RIDGE DR",
"city": "WILDWOOD",
"state": "MO",
"postal_code": "630381435",
"telephone_number": "636-458-4177"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "621 S NEW BALLAS RD",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631418241",
"telephone_number": "314-251-5860",
"fax_number": "314-251-5861"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KLESH",
"first_name": "KENNETH",
"middle_name": "WAYNE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-12",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "MO",
"license": "R8G17",
"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.