Individual provider Active NPI

Christopher Ho-Yun Chang, LMFT

  • Marriage & Family Therapist
  • Mill Creek, WA
National Provider Identifier
1427866532
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
70117257 Issued in WA
Practice address
621 164TH St SE
Mill Creek, WA 98012-6303
Phone
(425) 426-4802
NPI assigned
Dec 20, 2024
Last updated
Sep 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

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 70117257 WA Primary

Addresses

Primary practice location

621 164TH St SE
Mill Creek, WA 98012-6303

Mailing address

15715 27TH PL W
Lynnwood, WA 98087-5963
Phone (425) 426-4802

Other practice location 1

17319 Larch Way
Lynnwood, WA 98037-8202
Phone (425) 426-4802

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
61633104WAMDMarriage & Family Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Courtney Bell, PLLC PastSince Oct 9, 2022 Accepting new patients
Chris Chang, LMFT, PLLC PastSince Sep 21, 2025 Accepting new patients

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, 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": "1734652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1427866532",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15715 27TH PL W",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980875963",
            "telephone_number": "425-426-4802"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 164TH ST SE",
            "city": "MILL CREEK",
            "state": "WA",
            "postal_code": "980126303",
            "telephone_number": "425-426-4802"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "17319 Larch Way",
            "address_purpose": "LOCATION",
            "city": "Lynnwood",
            "state": "WA",
            "postal_code": "980378202",
            "country_code": "US",
            "telephone_number": "425-426-4802",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "CHRISTOPHER",
        "middle_name": "HO-YUN",
        "name_prefix": "Mr.",
        "credential": "LMFT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-12-20",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "WA",
            "license": "70117257",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mill Creek, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 2026; 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.