Active NPI
Stephanie Massey
- Registered Nurse
- Littleton, CO
National Provider Identifier
1508717257
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- RN.1666702
- Practice address
- 11 W Dry Creek Cir
Littleton, CO 80120-8077 - Phone
- (303) 951-8100
- NPI assigned
- Feb 9, 2026
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | RN.1666702 | CO | Primary |
Addresses
Primary practice location
11 W Dry Creek Cir
Littleton, CO 80120-8077
Mailing address
4345 S Xenon CT
Morrison, CO 80465-1346
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 |
|---|---|---|---|
| RN.1666702 | CO | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1770595200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770595200000",
"number": "1508717257",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4345 S XENON CT",
"city": "MORRISON",
"state": "CO",
"postal_code": "804651346"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11 W DRY CREEK CIR",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801208077",
"telephone_number": "303-951-8100"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASSEY",
"first_name": "STEPHANIE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-02-09",
"last_updated": "2026-02-09",
"certification_date": "2026-02-08",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "CO",
"license": "RN.1666702",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Littleton, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.