Individual provider Active NPI

Mathew Duffey

  • Marriage & Family Therapist
  • Yuba City, CA
National Provider Identifier
1003457151
Registry record updated Jul 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
156206 Issued in CA
Practice address
1103 Butte House Rd
Yuba City, CA 95991-3109
Phone
(530) 913-7221
NPI assigned
Sep 30, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X 156206 CA Primary

Addresses

Primary practice location

1103 Butte House Rd
Yuba City, CA 95991-3109

Mailing address

1000 Lincoln Road
Suite H, PMB #60
Yuba City, CA 95991-6598
Phone (530) 491-3047

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
I20250822004087 CA Practitioner - Marriage and Family Therapist 4385144492 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Marriage and Family Therapist
Education
Other, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

673 S Auburn St
Suite B
Grass Valley, CA 95945-7576

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
156206CAMDMarriage & Family Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Sierra Family Therapy Centers, Inc. Marriage & Family Therapist CurrentSince Aug 8, 2025 Accepting new patients

Locations

673 S Auburn St
Ste B
Grass Valley, CA 95945
Phone (530) 913-5054

1103 Butte House Rd
Ste E
Yuba City, CA 95991
Phone (530) 431-8074

Organizations & group practices 1

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": "1569801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1003457151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 LINCOLN ROAD",
            "address_2": "SUITE H, PMB #60",
            "city": "YUBA CITY",
            "state": "CA",
            "postal_code": "959916598",
            "telephone_number": "530-491-3047"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1103 BUTTE HOUSE RD",
            "city": "YUBA CITY",
            "state": "CA",
            "postal_code": "959913109",
            "telephone_number": "530-913-7221"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFEY",
        "first_name": "MATHEW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-09-30",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "156206",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Yuba City, CA

Sources for this page

Verify at the official NPI Registry.