Active NPI
Allison Caitlin Corzatt, NP
- Family Nurse Practitioner
- Littleton, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 0996067
- Practice address
- 7335 S Pierce St Ste 100
Littleton, CO 80128-4568 - Phone
- (303) 979-7200
- Fax
- (303) 933-5265
- NPI assigned
- Nov 23, 2020
- 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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 0996067 | CO | Primary |
Addresses
Primary practice location
7335 S Pierce St Ste 100
Littleton, CO 80128-4568
Mailing address
1805 Shea Center Dr Ste 450
Highlands Ranch, CO 80129-2255
Phone (303) 357-2559
Other practice location 1
6179 S Balsam Way
Littleton, CO 80123-3091
Phone (303) 948-1570
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
7335 S Pierce St
Columbine Family Practice
Littleton, CO 80128-4571
Phone (303) 979-7200
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0996067 | CO | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Onpoint Medical Group, LLC | Family Medicine | Current | Accepting new patients |
| Colorado Physician Partners, PLLC | Family Medicine | Current | Accepting new patients |
| Colorado Physician Partners, PLLC | Family Medicine | Current | Accepting new patients |
| Onpoint Medical Group, LLC | Family Medicine | Current | Accepting new patients |
| Pahs Onpoint Urgent Care LLC | Current | Accepting new patients | |
| Onpoint Medical Group, LLC | Family Medicine | Past | Accepting new patients |
| Onpoint Medical Group, LLC | Family Medicine | Past | Accepting new patients |
Locations
1805 Shea Center Dr
Ste 450
Highlands Ranch, CO 80129
1805 Shea Center Dr
Ste 301
Highlands Ranch, CO 80129
Phone (303) 357-2559
205 S Garrison St
Ste A
Lakewood, CO 80226
Phone (720) 728-5170
205 S Garrison St
Lakewood, CO 80226
Phone (303) 237-2779
6179 S Balsam Way
Ste 110
Littleton, CO 80123
Phone (303) 933-8220
6169 S Balsam Way
Ste 190
Littleton, CO 80123
Phone (303) 933-8240
7335 S Pierce St
Ste 100
Littleton, CO 80128
Phone (303) 979-7200
7335 S Pierce St
Littleton, CO 80128
Phone (303) 932-1919
Interoperability endpoints
- allison.corzatt.1@9821.direct.athenahealth.com
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Family Medicine Physician
- Centennial, CO
- NPI 1376140137
-
- Family Medicine Physician
- Lakewood, CO
- NPI 1003256777
-
- Family Medicine Physician
- Littleton, CO
- NPI 1194406025
-
- Urgent Care Clinic/Center
- Highlands Ranch, CO
- NPI 1811555022
-
- Internal Medicine Physician
- Highlands Ranch, CO
- NPI 1821413923
Family Medicine
-
- Family Medicine Physician
- Littleton, CO
- NPI 1841223856
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1606089600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757980800000",
"number": "1992309777",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1805 SHEA CENTER DR STE 450",
"city": "HIGHLANDS RANCH",
"state": "CO",
"postal_code": "801292255",
"telephone_number": "303-357-2559",
"fax_number": "303-933-5265"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7335 S PIERCE ST STE 100",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801284568",
"telephone_number": "303-979-7200",
"fax_number": "303-933-5265"
}
],
"practiceLocations": [
{
"address_1": "6179 S Balsam Way",
"address_purpose": "LOCATION",
"city": "Littleton",
"state": "CO",
"postal_code": "801233091",
"country_code": "US",
"telephone_number": "303-948-1570",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CORZATT",
"first_name": "ALLISON",
"middle_name": "CAITLIN",
"name_prefix": "Ms.",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-11-23",
"last_updated": "2025-09-16",
"certification_date": "2025-09-16",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "CO",
"license": "0996067",
"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 Sep 16, 2025; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.