Active NPI
David William Katz, PH.D.
- Psychologist
- Lake Oswego, OR
National Provider Identifier
1720051980
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 0732
- Practice address
- 4550 Kruse Way
Suite 225
Lake Oswego, OR 97035-3594 - Phone
- (503) 803-1390
- NPI assigned
- Feb 8, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 0732 | OR | |
| Psychologist | 103T00000X | 0732 | OR | Primary |
Addresses
Primary practice location
4550 Kruse Way
Suite 225
Lake Oswego, OR 97035-3594
Mailing address
5441 Bay Creek Dr
Lake Oswego, OR 97035-5703
Phone (503) 803-1390
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
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0732 | OR | MD | Clinical Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139356800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1720051980",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5441 BAY CREEK DR",
"city": "LAKE OSWEGO",
"state": "OR",
"postal_code": "970355703",
"telephone_number": "503-803-1390"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4550 KRUSE WAY",
"address_2": "SUITE 225",
"city": "LAKE OSWEGO",
"state": "OR",
"postal_code": "970353594",
"telephone_number": "503-803-1390"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KATZ",
"first_name": "DAVID",
"middle_name": "WILLIAM",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-08",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "OR",
"license": "0732",
"primary": false
},
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "OR",
"license": "0732",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lake Oswego, OR
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.