Active NPI
Matthias David Kurzrock, DDS
- Dentist
- Walnut Creek, CA
National Provider Identifier
1265423602
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- 18362
- Practice address
- 2673 Cassandra CT
Walnut Creek, CA 94598-4459 - Phone
- (925) 465-4611
- Fax
- (925) 465-4611
- NPI assigned
- Nov 3, 2005
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Dentist | 122300000X | 18362 | CA | Primary |
Addresses
Primary practice location
2673 Cassandra CT
Walnut Creek, CA 94598-4459
Mailing address
2673 Cassandra CT
Walnut Creek, CA 94598-4459
Phone (925) 465-4611
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": "1130976000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1265423602",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2673 CASSANDRA CT",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945984459",
"telephone_number": "925-465-4611",
"fax_number": "925-465-4611"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2673 CASSANDRA CT",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945984459",
"telephone_number": "925-465-4611",
"fax_number": "925-465-4611"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KURZROCK",
"first_name": "MATTHIAS",
"middle_name": "DAVID",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-03",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "CA",
"license": "18362",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Walnut Creek, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.