Individual provider Active NPI

Dennis Matthew Marceron, MA, CDP, LMHC

  • Mental Health Counselor
  • Tukwila, WA
National Provider Identifier
1558423749
Registry record updated Mar 20, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LH00008187 Issued in WA
Practice address
6100 Southcenter Blvd
Suite 300
Tukwila, WA 98188-2441
Phone
(206) 444-7870
Fax
(206) 444-7910
NPI assigned
Dec 14, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 20, 2013

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 LH00008187 WA Primary
Addiction (Substance Use Disorder) Counselor 101YA0400X CP60247695 WA
Counselor 101Y00000X LH00008187 WA

Addresses

Primary practice location

6100 Southcenter Blvd
Suite 300
Tukwila, WA 98188-2441

Mailing address

1600 E Olive St
Seattle Mental Health
Seattle, WA 98122-2735
Phone (206) 302-2200

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20251110003716 WA Practitioner - Mental Health Counselor 6507356250 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Other, 2001
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

6041 California Ave SW Apt
Suite 302
Seattle, WA 98136-1659

6400 Southcenter Blvd
Tukwila, WA 98188-2598

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Arts

State licenses

LicenseStateTypeSpecialty
CP60247695WAMDAddiction (Substance Use Disorder) Counselor
LH00008187WAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Sound CurrentSince Aug 29, 2025 Accepting new patients

Locations

1600 E Olive St
Seattle, WA 98122
Phone (206) 302-2800

6100 Southcenter Blvd
Ste 300
Tukwila, WA 98188
Phone (206) 444-7870

6400 Southcenter Blvd
Tukwila, WA 98188
Phone (206) 444-3600

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": "1166054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1363737600000",
    "number": "1558423749",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 E OLIVE ST",
            "address_2": "SEATTLE MENTAL HEALTH",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981222735",
            "telephone_number": "206-302-2200",
            "fax_number": "206-302-2210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6100 SOUTHCENTER BLVD",
            "address_2": "SUITE 300",
            "city": "TUKWILA",
            "state": "WA",
            "postal_code": "981882441",
            "telephone_number": "206-444-7870",
            "fax_number": "206-444-7910"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCERON",
        "first_name": "DENNIS",
        "middle_name": "MATTHEW",
        "credential": "MA, CDP, LMHC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-14",
        "last_updated": "2013-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH00008187",
            "primary": true
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WA",
            "license": "CP60247695",
            "primary": false
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "WA",
            "license": "LH00008187",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tukwila, WA

Sources for this page

Verify at the official NPI Registry.