Active NPI
Chelsey Mackenzie, CNM
- Advanced Practice Midwife
- Saint Louis, MO
National Provider Identifier
1942987953
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Advanced Practice Midwife
- License
- 2025019375
- Practice address
- 621 S New Ballas Rd Ste 1015B
Saint Louis, MO 63141-8203 - Phone
- (314) 251-8965
- NPI assigned
- Jun 30, 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 |
|---|---|---|---|---|
| Advanced Practice Midwife | 367A00000X | 2025019375 | MO | Primary |
Addresses
Primary practice location
621 S New Ballas Rd Ste 1015B
Saint Louis, MO 63141-8203
Mailing address
PO Box 776084
Chicago, IL 60677-6084
Phone (314) 251-8965
Other names 1
- Chelsey Hickerson
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Certified Nurse Midwife (CNM)
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
PO Box
Chicago, IL 60677
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Nurse Midwife
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2025019375 | MO | MD | Advanced Practice Midwife |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Charleston Midwife Services | Past | Accepting new patients |
Interoperability endpoints
- cmackenzie445204@direct.musc.edu
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 and National Provider Directory roles.
-
- Family Medicine Physician
- Saint Louis, MO
- NPI 1043574940
-
- Internal Medicine Physician
- Saint Louis, MO
- NPI 1851335228
-
- Clinic/Center
- Mount Pleasant, SC
- NPI 1255526141
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1688083200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777939200000",
"number": "1942987953",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 776084",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606776084",
"telephone_number": "314-251-8965"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "621 S NEW BALLAS RD STE 1015B",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631418203",
"telephone_number": "314-251-8965"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MACKENZIE",
"first_name": "CHELSEY",
"credential": "CNM",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-06-30",
"last_updated": "2026-05-05",
"certification_date": "2026-05-05",
"status": "A"
},
"taxonomies": [
{
"code": "367A00000X",
"taxonomy_group": "",
"desc": "Advanced Practice Midwife",
"state": "MO",
"license": "2025019375",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "CHELSEY",
"last_name": "HICKERSON",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Saint Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 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.