Active NPI
Katherine Dziezyc Millichamp
- Clinical Social Worker
- Denver, CO
National Provider Identifier
1649051095
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- CSW.09929718
- Practice address
- 833 E Ellsworth Ave Apt 208
Denver, CO 80209-2253 - Phone
- (720) 583-3930
- Fax
- (720) 970-8201
- NPI assigned
- Oct 11, 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | CSW.09929718 | CO | Primary |
Addresses
Primary practice location
833 E Ellsworth Ave Apt 208
Denver, CO 80209-2253
Mailing address
833 E Ellsworth Ave Apt 208
Denver, CO 80209-2253
Phone (720) 583-3930
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
833 E Ellsworth Ave
Apt 208
Denver, CO 80209-2253
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CSW.09929718 | CO | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Denver Children's Advocacy Center | Past | Accepting new patients | |
| Summit Sky Mental Health LLC | Clinical | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Clinical Social Worker
- Denver, CO
- NPI 1205656774
-
- Mental Health Counselor
- Denver, CO
- NPI 1770793770
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1696982400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778025600000",
"number": "1649051095",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "833 E ELLSWORTH AVE APT 208",
"city": "DENVER",
"state": "CO",
"postal_code": "802092253",
"telephone_number": "720-583-3930",
"fax_number": "720-970-8201"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "833 E ELLSWORTH AVE APT 208",
"city": "DENVER",
"state": "CO",
"postal_code": "802092253",
"telephone_number": "720-583-3930",
"fax_number": "720-970-8201"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MILLICHAMP",
"first_name": "KATHERINE",
"middle_name": "DZIEZYC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-10-11",
"last_updated": "2026-05-06",
"certification_date": "2026-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CO",
"license": "CSW.09929718",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Denver, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.
- 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.