Active NPI
Aspen Johnston, MD
- Hospitalist Physician
- Brighton, CO
National Provider Identifier
1881398519
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- DR.0077538
- Practice address
- 1600 Prairie Center Pkwy
Brighton, CO 80601-4006 - Phone
- (303) 498-1600
- NPI assigned
- Mar 28, 2023
- 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 |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | DR.0077538 | CO | Primary |
Addresses
Primary practice location
1600 Prairie Center Pkwy
Brighton, CO 80601-4006
Mailing address
835 E 18TH Ave Ste 110
Denver, CO 80218-1024
Phone (303) 825-4646
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230707000757 | CO | Order and Referring Only - Internal Medicine | 2365801438 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1679961600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782259200000",
"number": "1881398519",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "835 E 18TH AVE STE 110",
"city": "DENVER",
"state": "CO",
"postal_code": "802181024",
"telephone_number": "303-825-4646"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1600 PRAIRIE CENTER PKWY",
"city": "BRIGHTON",
"state": "CO",
"postal_code": "806014006",
"telephone_number": "303-498-1600"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOHNSTON",
"first_name": "ASPEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-03-28",
"last_updated": "2026-06-24",
"certification_date": "2026-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "CO",
"license": "DR.0077538",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Brighton, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.