Active NPI
Madison Claire Zenk
- Pediatrics Physician
- Greeley, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- DR.0074842
- Practice address
- 5881 W 16TH St Ste B
Greeley, CO 80634-2910 - Phone
- (970) 652-2235
- Fax
- (970) 652-2827
- NPI assigned
- Mar 22, 2022
- Last updated
- Jul 17, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | DR.0074842 | CO | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
5881 W 16TH St Ste B
Greeley, CO 80634-2910
Mailing address
5881 W 16TH St Ste B
Greeley, CO 80634-2910
Phone (970) 652-2235
Other practice location 1
1000 Blythe Blvd.
4th floor, MEB
Charlotte, NC 28203-5812
Phone (704) 381-6800
Other names 1
- Maddie Claire Zenk
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DR.0074842 | CO | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Poudre Valley Medical Group, LLC | Current | Accepting new patients | |
| Poudre Valley Medical Group, LLC | Current | Accepting new patients | |
| Uchealth Greeley Hospital | Past | Accepting new patients |
Locations
4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260
5881 W 16th St
Ste B
Greeley, CO 80634
Phone (970) 336-1500
5881 W 16th St
Ste Bwomens
Greeley, CO 80634
Phone (970) 336-1500
2695 Rocky Mountain Ave
Ste 150
Loveland, CO 80538
Phone (970) 624-2403
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba UCHealth Medical Group
- General Practice Physician
- Loveland, CO
- NPI 1225356868
-
dba UCHealth Medical Group
- General Practice Physician
- Loveland, CO
- NPI 1366763260
-
- General Acute Care Hospital
- Greeley, CO
- NPI 1780183145
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1647907200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752710400000",
"number": "1710636279",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5881 W 16TH ST STE B",
"city": "GREELEY",
"state": "CO",
"postal_code": "806342910",
"telephone_number": "970-652-2235",
"fax_number": "970-652-2827"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5881 W 16TH ST STE B",
"city": "GREELEY",
"state": "CO",
"postal_code": "806342910",
"telephone_number": "970-652-2235",
"fax_number": "970-652-2827"
}
],
"practiceLocations": [
{
"address_1": "1000 Blythe Blvd.",
"address_2": "4th floor, MEB",
"address_purpose": "LOCATION",
"city": "Charlotte",
"state": "NC",
"postal_code": "282035812",
"country_code": "US",
"telephone_number": "704-381-6800",
"fax_number": "704-381-6841",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZENK",
"first_name": "MADISON",
"middle_name": "CLAIRE",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2022-03-22",
"last_updated": "2025-07-17",
"certification_date": "2025-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CO",
"license": "DR.0074842",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MADDIE",
"last_name": "ZENK",
"middle_name": "CLAIRE",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Greeley, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.