Michelle Mei-Hsuan Ko, DDS., MS.

Primary specialty

PeriodonticsTaxonomy code 1223P0300X

License

DE60631123 Issued in WA

Practice address

12826 SE 40TH LN Ste 100
Bellevue, WA 98006-5266

Phone

(425) 877-1423

NPI assigned

Sep 29, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Mei-Hsuan Ko Former name

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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.

• M. Ko and a. Ko, PLLC

  • Periodontics
  • Bellevue, WA
  • NPI 1275298937
  NPD Authorized official

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

{
    "created_epoch": "1254182400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1275867855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12826 SE 40TH LN STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980065266",
            "telephone_number": "206-474-7394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12826 SE 40TH LN STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980065266",
            "telephone_number": "425-877-1423"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KO",
        "first_name": "MICHELLE",
        "middle_name": "MEI-HSUAN",
        "name_prefix": "Dr.",
        "credential": "DDS., MS.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-09-29",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MA",
            "license": "DL10735",
            "primary": false
        },
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "WA",
            "license": "DE60631123",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MEI-HSUAN",
            "last_name": "KO",
            "credential": "DDS. MS.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Chris Ko, DDS
• Jadie Ko, ND
• Jenny Ko
• Ka Yan Ko, R.D.H
• Katherine Amanda Ko, ARNP
• Koala Pediatrics PLLC
• Koki Kobata, D.C.
• Sheri Kay Kochendoerfer, MD
• Heidi Kodeski, PT
• Kelan Richard Koenig, MD

• Periodontics in Bellevue, WA
• Providers in Bellevue, WA by specialty
• Periodontics in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 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.