Organization Active NPI

Oasis Center Inc

  • Clinical Social Worker
  • Walnut Creek, CA
National Provider Identifier
1295942761
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCS6857 Issued in CA
Legal business name
OASIS CENTER INC
Practice address
1844 San Miguel Dr
Suite 311
Walnut Creek, CA 94596-4962
Phone
(925) 944-1800
Fax
(925) 944-0684
NPI assigned
May 16, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. John Sotiris Rochios, PHDNPI 1356558803
Title
Managing Partner
Phone
(925) 944-1800

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X PSY4679 CA
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X PSY6119 CA
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X PSY15195 CA
Clinical Social WorkerGroup: 193200000X MULTI-SPECIALTY GROUP 1041C0700X LCS6857 CA Primary

Addresses

Primary practice location

1844 San Miguel Dr
Suite 311
Walnut Creek, CA 94596-4962

Mailing address

1844 San Miguel Dr
Suite 311
Walnut Creek, CA 94596-4962
Phone (925) 944-1800

National Provider Directory

National Provider Directory

Locations

1844 San Miguel Dr
Ste 311
Walnut Creek, CA 94596
Phone (925) 944-1800

Practitioners & affiliated clinicians

Practitioners 8

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1179273600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1295942761",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1844 SAN MIGUEL DR",
            "address_2": "SUITE 311",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945964962",
            "telephone_number": "925-944-1800",
            "fax_number": "925-944-0684"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1844 SAN MIGUEL DR",
            "address_2": "SUITE 311",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945964962",
            "telephone_number": "925-944-1800",
            "fax_number": "925-944-0684"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OASIS CENTER INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-16",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "ROCHIOS",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "SOTIRIS",
        "authorized_official_title_or_position": "MANAGING PARTNER",
        "authorized_official_telephone_number": "925-944-1800",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PHD"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY4679",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY6119",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY15195",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCS6857",
            "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 Sep 11, 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.

Verify at the official NPI Registry.