Active NPI
Joan Elwood, PSY.D.
- Clinical Psychologist
- Palmdale, CA
National Provider Identifier
1285625178
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- PSY13446
- Practice address
- 41770 12TH St W
Palmdale, CA 93551-1424 - Phone
- (800) 384-6448
- Fax
- (661) 951-1790
- NPI assigned
- Oct 31, 2005
- 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 Psychologist | 103TC0700X | PSY13446 | CA | Primary |
Addresses
Primary practice location
41770 12TH St W
Palmdale, CA 93551-1424
Mailing address
PO Box 4938
Lancaster, CA 93539-4938
Phone (800) 384-6448
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 |
|---|---|---|---|
| PSY13446 | CA | MD | Clinical Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130716800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1285625178",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 4938",
"city": "LANCASTER",
"state": "CA",
"postal_code": "935394938",
"telephone_number": "800-384-6448",
"fax_number": "661-951-1790"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "41770 12TH ST W",
"city": "PALMDALE",
"state": "CA",
"postal_code": "935511424",
"telephone_number": "800-384-6448",
"fax_number": "661-951-1790"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ELWOOD",
"first_name": "JOAN",
"name_prefix": "Dr.",
"credential": "PSY.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-10-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "CA",
"license": "PSY13446",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Palmdale, 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.