Individual provider Active NPI

Simon Desmarais-Zalob, LCSW

  • Social Worker
  • Fairfield, CA
National Provider Identifier
1013521566
Registry record updated Apr 19, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
93313 Issued in CA
Practice address
2460 Clay Bank Rd BLDG 8
Fairfield, CA 94533-1655
Phone
(707) 399-4491
NPI assigned
Sep 2, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 19, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
School Social Worker 1041S0200X 93313 CA
Social Worker 104100000X 93313 CA Primary

Addresses

Primary practice location

2460 Clay Bank Rd BLDG 8
Fairfield, CA 94533-1655

Mailing address

2460 Clay Bank Rd BLDG 8
Fairfield, CA 94533-1655
Phone (707) 399-4491

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250815002688 CA Practitioner - Clinical Social Worker 2365941440 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2011
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1120 McCoy Creek Way
Apt 419
Suisun City, CA 94585-3828

1120 McCoy Creek Way Apt
Suite 419
Suisun City, CA 94585-3828

500 Westover Dr
Sanford, NC 27330-8941

66 E Flagler St
Miami, FL 33130-1807

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
93313CAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Grow Healthcare Group PC CurrentSince Dec 22, 2025 Accepting new patients
Sud Specialty Group - Ca CurrentSince Jul 31, 2025 Accepting new patients

Locations

99 Almaden Blvd
Ste 600
San Jose, CA 95113
Phone (408) 402-4385

5201 Great America Pkwy
Ste 320
Santa Clara, CA 95054
Phone (323) 968-6182

520 Broadway
Ste 200
Santa Monica, CA 90401
Phone (949) 280-5295

66 W Flagler St
Ste 900
Miami, FL 33130
Phone (786) 244-7711

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1599004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1681862400000",
    "number": "1013521566",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2460 CLAY BANK RD BLDG 8",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945331655",
            "telephone_number": "707-399-4491"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2460 CLAY BANK RD BLDG 8",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945331655",
            "telephone_number": "707-399-4491"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DESMARAIS-ZALOB",
        "first_name": "SIMON",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-09-02",
        "last_updated": "2023-04-19",
        "certification_date": "2023-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": "93313",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "93313",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CA

Sources for this page

Verify at the official NPI Registry.