Individual provider Active NPI

Martha Leticia Hammons, MSW

  • Social Worker
  • Fairfield, CA
National Provider Identifier
1326510157
Registry record updated May 23, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
88084 Issued in CA
Practice address
275 Beck Ave # Ms 5-120
Fairfield, CA 94533-6804
Phone
(707) 784-8114
Fax
(707) 428-6542
NPI assigned
Dec 18, 2018
Last updated
May 23, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 23, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X ASW86566 CA
Social Worker 104100000X 88084 CA Primary
Clinical Social Worker 1041C0700X 88084 CA

Addresses

Primary practice location

275 Beck Ave # Ms 5-120
Fairfield, CA 94533-6804

Mailing address

275 Beck Ave # Ms 5-120
Fairfield, CA 94533-6804
Phone (707) 784-8114

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
I20251104003745 CA Practitioner - Clinical Social Worker 7810487386 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2012
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

275 Beck Ave
Fairfield, CA 94533-6804

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
ASW86566CAMDMental Health Counselor
88084CAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
County of Solano CurrentSince Aug 9, 2025 Accepting new patients
County of Solano Current Accepting new patients
County of Solano CurrentSince Aug 9, 2025 Accepting new patients
County of Solano Past Accepting new patients

Locations

2101 Courage Dr
Fairfield, CA 94533
Phone (707) 428-1131

275 Beck Ave
#5210
Fairfield, CA 94533
Phone (707) 784-8315

Organizations & group practices 4

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

NPI Registry JSON

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

{
    "created_epoch": "1545091200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1684800000000",
    "number": "1326510157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 BECK AVE # MS 5-120",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945336804",
            "telephone_number": "707-784-8114",
            "fax_number": "707-428-6542"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 BECK AVE # MS 5-120",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945336804",
            "telephone_number": "707-784-8114",
            "fax_number": "707-428-6542"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMMONS",
        "first_name": "MARTHA",
        "middle_name": "LETICIA",
        "credential": "MSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-12-18",
        "last_updated": "2023-05-23",
        "certification_date": "2023-05-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "ASW86566",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "88084",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "88084",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CA

Sources for this page

Verify at the official NPI Registry.