Active NPI
Mengyuan Liu
- Plastic Surgery Physician
- Seattle, WA
National Provider Identifier
1669890554
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Plastic Surgery Physician
- License
- MD60668538
- Practice address
- 1229 Madison St Ste 1660
Seattle, WA 98104-3586 - Phone
- (068) 604-6862
- NPI assigned
- Mar 29, 2014
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Plastic Surgery Physician | 208200000X | MD60668538 | WA | Primary |
| Plastic Surgery Within the Head and Neck (Plastic Surgery) Physician | 2082S0099X | A168101 | CA | |
| Plastic and Reconstructive Surgery Physician | 2086S0122X | A168101 | CA |
Addresses
Primary practice location
1229 Madison St Ste 1660
Seattle, WA 98104-3586
Mailing address
7600 Evergreen Way
Everett, WA 98203-6421
Phone (206) 860-5414
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: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD60668538 | WA | MD | Plastic Surgery Physician |
| A168101 | CA | MD | Plastic Surgery Within the Head and Neck (Plastic Surgery) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The Polyclinic PLLC | Past | Accepting new patients |
Interoperability endpoints
- mliu38091@direct.tecmc.com
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.
-
- Multi-Specialty Clinic/Center
- Everett, WA
- NPI 1831186766
-
dba Optum Care Washington
- Durable Medical Equipment & Medical Supplies
- Seattle, WA
- NPI 1346620200
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1396051200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781481600000",
"number": "1669890554",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7600 EVERGREEN WAY",
"city": "EVERETT",
"state": "WA",
"postal_code": "982036421",
"telephone_number": "206-860-5414"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1229 MADISON ST STE 1660",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981043586",
"telephone_number": "068-604-6862"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LIU",
"first_name": "MENGYUAN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2014-03-29",
"last_updated": "2026-06-15",
"certification_date": "2026-06-15",
"status": "A"
},
"taxonomies": [
{
"code": "208200000X",
"taxonomy_group": "",
"desc": "Plastic Surgery",
"state": "WA",
"license": "MD60668538",
"primary": true
},
{
"code": "2082S0099X",
"taxonomy_group": "",
"desc": "Plastic Surgery, Plastic Surgery Within the Head and Neck",
"state": "CA",
"license": "A168101",
"primary": false
},
{
"code": "2086S0122X",
"taxonomy_group": "",
"desc": "Surgery, Plastic and Reconstructive Surgery",
"state": "CA",
"license": "A168101",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Seattle, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 15, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.