Pei-Ying Lo

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PY61691411 Issued in WA

Practice address

1201 N 175TH St
Shoreline, WA 98133-5064

Phone

(425) 339-5453

NPI assigned

Jul 27, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Optum Care Washington PLLC

  • Durable Medical Equipment & Medical Supplies
  • Marysville, WA
  • NPI 1194428425
  NPD
• Optum Care Washington PLLC

  • Ambulatory Surgical Clinic/Center
  • Arlington, WA
  • NPI 1366154304
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1595808000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1497364392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5127",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982065127",
            "telephone_number": "206-860-5414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 N 175TH ST",
            "city": "SHORELINE",
            "state": "WA",
            "postal_code": "981335064",
            "telephone_number": "425-339-5453"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LO",
        "first_name": "PEI-YING",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-07-27",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "WA",
            "license": "PY61691411",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Scott A. Lingle, BS, BA, ICADC, CDP
• Little by Little Lifestyle
• Jen-Wei Liu, RDN
• Yuling Liu, OTR/L
• April Grace Lagutang Lloyd
• Diane Marie Lobaugh, PT
• Jessica L Lobkovich, LMT
• Jennifer Loeser, ND
• Kathryn Hilary Lofy, M.D.
• Perry Loiselle, PMHNP

• Psychologist in Shoreline, WA
• Providers in Shoreline, WA by specialty
• Psychologist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.

Verify at the official NPI Registry.