Active NPI
Dr. Trisha D Wallis, Psychologist, Apc
- Clinical Psychologist
- Sacramento, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- Legal business name
- DR. TRISHA D WALLIS, PSYCHOLOGIST, APC
- Practice address
- 1011 22ND St
Sacramento, CA 95816-4907 - Phone
- (916) 996-5424
- NPI assigned
- May 10, 2020
- Last updated
- Dec 5, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Trisha D Wallis, MSW, LCSW, PSYD
- Title
- President
- Phone
- (916) 996-5424
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | Primary |
Addresses
Primary practice location
1011 22ND St
Sacramento, CA 95816-4907
Mailing address
PO Box 160322
Sacramento, CA 95816-0322
National Provider Directory
National Provider DirectoryLocations
1011 22nd St
Sacramento, CA 95816
Phone (916) 284-1416
425 University Ave
Ste 100
Sacramento, CA 95825
Phone (916) 284-1416
Practitioners & affiliated clinicians
Practitioners 32
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Psychologist
- Sacramento, CA
- NPI 1902958119
-
- Student in an Organized Health Care Education/Training Program
- Los Angeles, CA
- NPI 1447938972
-
- Clinical Social Worker
- Sacramento, CA
- NPI 1861543704
-
- Student in an Organized Health Care Education/Training Program
- Sacramento, CA
- NPI 1770130676
-
- Clinical Psychologist
- Sacramento, CA
- NPI 1700760840
-
- Clinical Psychologist
- Sacramento, CA
- NPI 1013634500
-
- Student in an Organized Health Care Education/Training Program
- Sacramento, CA
- NPI 1881578482
-
- Student in an Organized Health Care Education/Training Program
- Sacramento, CA
- NPI 1336984111
-
- Student in an Organized Health Care Education/Training Program
- Sacramento, CA
- NPI 1568150498
-
- Clinical Psychologist
- Elk Grove, CA
- NPI 1336866318
-
- Clinical Psychologist
- Sacramento, CA
- NPI 1073716940
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1589068800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1764892800000",
"number": "1346862620",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 160322",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958160322"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1011 22ND ST",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958164907",
"telephone_number": "916-996-5424"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "DR. TRISHA D WALLIS, PSYCHOLOGIST, APC",
"organizational_subpart": "NO",
"enumeration_date": "2020-05-10",
"last_updated": "2025-12-05",
"certification_date": "2025-12-05",
"status": "A",
"authorized_official_last_name": "WALLIS",
"authorized_official_first_name": "TRISHA",
"authorized_official_middle_name": "D",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "916-996-5424",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MSW, LCSW, PSYD"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychologist, Clinical",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
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Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 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.