Active NPI
Alexis Deionno, ED. S.
- School Psychologist
- Odessa, DE
National Provider Identifier
1689581407
On this page
Key facts
NPPES NPI Registry- Primary specialty
- School Psychologist
- License
- 286358
- Practice address
- Appoquinimink School District
Odessa, DE 19709 - Phone
- (302) 376-3483
- NPI assigned
- Aug 26, 2026
- Last updated
- Aug 26, 2026
- 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 |
|---|---|---|---|---|
| School Psychologist | 103TS0200X | 286358 | DE | Primary |
Addresses
Primary practice location
Appoquinimink School District
Odessa, DE 19709
Mailing address
18 Argyle Rd
Newark, DE 19713-4049
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 286358 | DE | MD | School Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787702400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787702400000",
"number": "1689581407",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18 ARGYLE RD",
"city": "NEWARK",
"state": "DE",
"postal_code": "197134049"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "APPOQUINIMINK SCHOOL DISTRICT",
"city": "ODESSA",
"state": "DE",
"postal_code": "19709",
"telephone_number": "302-376-3483"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DEIONNO",
"first_name": "ALEXIS",
"credential": "ED. S.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-08-26",
"last_updated": "2026-08-26",
"certification_date": "2026-08-24",
"status": "A"
},
"taxonomies": [
{
"code": "103TS0200X",
"taxonomy_group": "",
"desc": "Psychologist, School",
"state": "DE",
"license": "286358",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Odessa, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.