Active NPI
Matthew Garett Dexheimer, LPC, LMHC
- Professional Counselor
- Portland, OR
National Provider Identifier
1023415544
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- C6913
- Practice address
- 8425 N Lombard St
Portland, OR 97203-3728 - Phone
- (503) 283-4776
- NPI assigned
- Nov 26, 2014
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | MHC.LH.70068189 | WA | |
| Professional Counselor | 101YP2500X | C6913 | OR | Primary |
Addresses
Primary practice location
8425 N Lombard St
Portland, OR 97203-3728
Mailing address
8425 N Lombard St
Portland, OR 97203-3728
Other practice location 1
7507 NE 51st St
Vancouver, WA 98662-6007
Phone (360) 906-1190
Other practice location 2
3500 NE M L King Blvd Ste 200
Portland, OR 97212-2093
Phone (503) 327-8205
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, OR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Mental Health Counselor
- Education
- Other, 2010
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
4800 N Scottsdale Rd
Suite 2500
Scottsdale, AZ 85251-7630
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MHC.LH.70068189 | WA | MD | Mental Health Counselor |
| C6913 | OR | MD | Professional Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Western Psychological and Counseling Services LLC | Mental Health | Past | Accepting new patients |
| Lifeworks NW | Mental Health | Past | Accepting new patients |
Organizations & group practices 3
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.
-
- Clinical Psychologist
- Vancouver, WA
- NPI 1629345731
Mental Health
-
- Clinical Psychologist
- Tacoma, WA
- NPI 1912008178
OR
-
- Mental Health Counselor
- Portland, OR
- NPI 1467408013
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1416960000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775520000000",
"number": "1023415544",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8425 N LOMBARD ST",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972033728"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8425 N LOMBARD ST",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972033728",
"telephone_number": "503-283-4776"
}
],
"practiceLocations": [
{
"address_1": "7507 NE 51st St",
"address_purpose": "LOCATION",
"city": "Vancouver",
"state": "WA",
"postal_code": "986626007",
"country_code": "US",
"telephone_number": "360-906-1190",
"fax_number": "360-906-1193",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3500 NE M L King Blvd Ste 200",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "OR",
"postal_code": "972122093",
"country_code": "US",
"telephone_number": "503-327-8205",
"fax_number": "971-254-4882",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DEXHEIMER",
"first_name": "MATTHEW",
"middle_name": "GARETT",
"credential": "LPC, LMHC",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2014-11-26",
"last_updated": "2026-04-07",
"certification_date": "2026-04-07",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "WA",
"license": "MHC.LH.70068189",
"primary": false
},
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "OR",
"license": "C6913",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portland, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.