Active NPI
Nessa Iseult Mage, BCBA
- Behavior Analyst
- Centennial, CO
National Provider Identifier
1023482643
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- 10000612
- Practice address
- 9000 E Nichols Ave Ste 100
Centennial, CO 80112-3429 - Phone
- (720) 706-3396
- NPI assigned
- Nov 19, 2015
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | 10000612 | CO | Primary |
Addresses
Primary practice location
9000 E Nichols Ave Ste 100
Centennial, CO 80112-3429
Mailing address
9000 E Nichols Ave Ste 100
Centennial, CO 80112-3429
Phone (720) 706-3396
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 |
|---|---|---|---|
| 10000612 | MA | MD | Behavioral Analyst |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1447891200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788998400000",
"number": "1023482643",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9000 E NICHOLS AVE STE 100",
"city": "CENTENNIAL",
"state": "CO",
"postal_code": "801123429",
"telephone_number": "720-706-3396"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9000 E NICHOLS AVE STE 100",
"city": "CENTENNIAL",
"state": "CO",
"postal_code": "801123429",
"telephone_number": "720-706-3396"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAGE",
"first_name": "NESSA",
"middle_name": "ISEULT",
"credential": "BCBA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-11-19",
"last_updated": "2026-09-10",
"certification_date": "2026-09-10",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "CO",
"license": "10000612",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Centennial, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.