Active NPI
Lawrence Sidney Waldbaum, MD
- Anesthesiology Physician
- Saint Louis, MO
National Provider Identifier
1154352664
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- R6020
- Practice address
- 660 S Euclid Ave
Saint Louis, MO 63110-1010 - Phone
- (314) 747-3000
- NPI assigned
- Jul 5, 2006
- Last updated
- Sep 29, 2026
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | R6020 | MO | Primary |
Addresses
Primary practice location
660 S Euclid Ave
Saint Louis, MO 63110-1010
Mailing address
660 S Euclid Ave
C B 8054
Saint Louis, MO 63110-1010
Phone (314) 747-3000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 203010174 | Medicaid | MO |
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R6020 | MO | MD | Anesthesiology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152057600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790640000000",
"number": "1154352664",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "660 S EUCLID AVE",
"address_2": "C B 8054",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631101010",
"telephone_number": "314-747-3000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "660 S EUCLID AVE",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631101010",
"telephone_number": "314-747-3000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALDBAUM",
"first_name": "LAWRENCE",
"middle_name": "SIDNEY",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-05",
"last_updated": "2026-09-29",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MO",
"license": "R6020",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "203010174",
"state": "MO"
}
],
"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 Sep 29, 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.