Active NPI
John Alexander Buxton, PH.D.11/07/1929
- Clinical Psychologist
- Evansville, IN
National Provider Identifier
1306818786
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 20130054A
- Practice address
- 5035 Charlotte Ave
Evansville, IN 47720-1466 - Phone
- (812) 474-1122
- Fax
- (812) 477-3669
- NPI assigned
- Feb 1, 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 |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 20130054A | IN | Primary |
Addresses
Primary practice location
5035 Charlotte Ave
Evansville, IN 47720-1466
Mailing address
301 N Royal Ave
Suite B
Evansville, IN 47715-2866
Phone (812) 474-1122
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100241910A | Medicaid | IN | |
| I016328 | Other | IN | CHAMPUS |
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 Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20130054A | IN | MD | Clinical Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138752000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1306818786",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "301 N ROYAL AVE",
"address_2": "SUITE B",
"city": "EVANSVILLE",
"state": "IN",
"postal_code": "477152866",
"telephone_number": "812-474-1122",
"fax_number": "812-477-3842"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5035 CHARLOTTE AVE",
"city": "EVANSVILLE",
"state": "IN",
"postal_code": "477201466",
"telephone_number": "812-474-1122",
"fax_number": "812-477-3669"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BUXTON",
"first_name": "JOHN",
"middle_name": "ALEXANDER",
"name_prefix": "Dr.",
"credential": "PH.D.11/07/1929",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-01",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "IN",
"license": "20130054A",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100241910A",
"state": "IN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CHAMPUS",
"identifier": "I016328",
"state": "IN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Evansville, IN
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.