Active NPI
Mackenzie Mei Patterson, ASW
- Clinical Social Worker
- Walnut Creek, CA
National Provider Identifier
1013881085
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 133686
- Practice address
- 1550 Sunny CT
Walnut Creek, CA 94595-2336 - Phone
- (925) 899-5528
- NPI assigned
- Oct 2, 2025
- 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 | 133686 | CA | Primary |
Addresses
Primary practice location
1550 Sunny CT
Walnut Creek, CA 94595-2336
Mailing address
1550 Sunny CT
Walnut Creek, CA 94595-2336
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 133686 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1759363200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1013881085",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1550 SUNNY CT",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945952336"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1550 SUNNY CT",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945952336",
"telephone_number": "925-899-5528"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PATTERSON",
"first_name": "MACKENZIE",
"middle_name": "MEI",
"credential": "ASW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-10-02",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "133686",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Walnut Creek, CA
- Kelli Patin, RD, CDE
- Patricia L. Austin, MD, Inc.
- Patrick Moon Physical Therapy P.C.
- Melissa Sylvia Pattee, PA-C
- Cheryl Patterson
- Mark Allen Patterson, MD
- Paul J Kramer Marriage & Family Therapist a Professional Corporation
- Paul Kramer, MFT, a Professional Corp
- Paula J Roemer, DDS Inc
- Paula J. Roemer, DDS, Inc.
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.