Active NPI
Alisa Nicolaysen, PHARMD
- Critical Care Pharmacist
- Littleton, CO
National Provider Identifier
1801733837
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Pharmacist
- License
- PHA.0023283
- Practice address
- 8954 Chico Creek PL
Littleton, CO 80125-8499 - Phone
- (720) 581-0946
- NPI assigned
- Apr 29, 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 |
|---|---|---|---|---|
| Critical Care Pharmacist | 1835C0205X | PHA.0023283 | CO | Primary |
Addresses
Primary practice location
8954 Chico Creek PL
Littleton, CO 80125-8499
Mailing address
8954 Chico Creek PL
Littleton, CO 80125-8499
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
- Credentials
- Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PHA.0023283 | CO | MD | Critical Care Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1777420800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777420800000",
"number": "1801733837",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8954 CHICO CREEK PL",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801258499"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8954 CHICO CREEK PL",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801258499",
"telephone_number": "720-581-0946"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NICOLAYSEN",
"first_name": "ALISA",
"name_prefix": "Dr.",
"credential": "PHARMD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-04-29",
"last_updated": "2026-04-29",
"certification_date": "2026-04-29",
"status": "A"
},
"taxonomies": [
{
"code": "1835C0205X",
"taxonomy_group": "",
"desc": "Pharmacist, Critical Care",
"state": "CO",
"license": "PHA.0023283",
"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 Apr 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.