NPIMap

Organization Active NPI

Side by Side

  • Community/Behavioral Health Agency
  • Hayward, CA
National Provider Identifier
1174775639
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
SIDE BY SIDE
Doing business as
Side by Side
Practice address
22245 Main St
Suites 102, 200-215
Hayward, CA 94541-4028
Phone
(510) 727-9401
Fax
(510) 727-9405
NPI assigned
Oct 15, 2008
Organization subpart
Yes
Parent organization
SIDE BY SIDEAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Authorized official

Name
Christine Garcia, PSYD
Title
Chief Executive Officer
Phone
(415) 457-3200

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X Primary

Addresses

Primary practice location

22245 Main St
Suites 102, 200-215
Hayward, CA 94541-4028

Mailing address

300 Sunnyhills Dr
San Anselmo, CA 94960-1909
Phone (415) 457-3200

Other names 2

  • Side by Side Doing business as
  • Sunny Hills Services Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20110613000466 CA Part B Supplier - Clinic/Group Practice 7517144900 Receives reassigned benefits from 1 practitioner
4 other NPIs on this enrollment
Practice locations: Hayward, CA

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Side by Side4 organizations share this tax ID, including this one
Part of
Side by Side

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

Locations

22245 Main St
Ste 102
Hayward, CA 94541
Phone (510) 727-9401

Practitioners & affiliated clinicians

Practitioners 21

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

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1224028800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784592000000",
    "number": "1174775639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 SUNNYHILLS DR",
            "city": "SAN ANSELMO",
            "state": "CA",
            "postal_code": "949601909",
            "telephone_number": "415-457-3200",
            "fax_number": "415-456-4679"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22245 MAIN ST",
            "address_2": "SUITES 102, 200-215",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945414028",
            "telephone_number": "510-727-9401",
            "fax_number": "510-727-9405"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIDE BY SIDE",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "SIDE BY SIDE",
        "enumeration_date": "2008-10-15",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A",
        "authorized_official_last_name": "GARCIA",
        "authorized_official_first_name": "CHRISTINE",
        "authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
        "authorized_official_telephone_number": "415-457-3200",
        "authorized_official_credential": "PSYD"
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Side by Side",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Side by Side",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Sunny Hills Services",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Hayward, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.