Active NPI
Mallory Vanzalen, LMSW
- Clinical Social Worker
- Grand Rapids, MI
National Provider Identifier
1063253763
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 6801123103
- Practice address
- 300 68TH St SE
Grand Rapids, MI 49548-6927 - Phone
- (616) 281-6363
- Fax
- (616) 281-6459
- NPI assigned
- Jun 5, 2024
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | |||
| Clinical Social Worker | 1041C0700X | 6801123103 | MI | Primary |
Addresses
Primary practice location
300 68TH St SE
Grand Rapids, MI 49548-6927
Mailing address
300 68TH St SE
Grand Rapids, MI 49548-6927
Phone (616) 281-6363
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1717545600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789948800000",
"number": "1063253763",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 68TH ST SE",
"city": "GRAND RAPIDS",
"state": "MI",
"postal_code": "495486927",
"telephone_number": "616-281-6363",
"fax_number": "616-281-6459"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 68TH ST SE",
"city": "GRAND RAPIDS",
"state": "MI",
"postal_code": "495486927",
"telephone_number": "616-281-6363",
"fax_number": "616-281-6459"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VANZALEN",
"first_name": "MALLORY",
"credential": "LMSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-06-05",
"last_updated": "2026-09-21",
"certification_date": "2026-09-21",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": null,
"license": null,
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MI",
"license": "6801123103",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Grand Rapids, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.