DR. MICHELLE MEI-HSUAN KO DDS., MS.
NPI 1275867855
Dentist - Periodontics in Bellevue, WA

Q: What is Michelle Ko's NPI number?

The NPI number for Michelle Ko is 1275867855. It was assigned to this individual provider in the NPPES registry on September 29, 2009. The provider is also known as Mei-Hsuan Ko Dds. Ms..

Q: What is Michelle Ko's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Ko was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 29, 2009PECOS Enrolled

12826 SE 40TH LN STE 100, BELLEVUE, WA 98006(425) 877-1423 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 26, 2026, May 21, 2026, Nov 7, 2021 and 2 more (5 updates tracked since 2018).

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About Dr. Michelle Mei-hsuan Ko Dds., Ms. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHELLE MEI-HSUAN KO DDS., MS. (NPI 1275867855) is an individual periodontics provider in Bellevue, Washington, licensed in Washington (DE60631123) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275867855

Entity TypeIndividualFemale

Primary Taxonomy1223P0300X

Provider Legal NameDR. MICHELLE MEI-HSUAN KOCredential: DDS., MS.

Location Address12826 SE 40TH LN STE 100Bellevue, WA 98006-5266

Mailing Address12826 Se 40th Ln Ste 100Bellevue, WA 98006-5266 · (206) 474-7394

Phone(425) 877-1423

Sole ProprietorNo

Enumeration DateSeptember 29, 2009

Last NPPES UpdateMay 26, 20265 updates tracked since enumeration

NPPES CertifiedMay 26, 2026

✔ NPI 1275867855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · PeriodonticsDental Providers

Taxonomy Code1223P0300X

License✔ Licensed in WA · DE60631123

Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

Also ListedDentistTaxonomy 122300000X · License DL10735 (MA)

12826 SE 40TH LN STE 100, Bellevue, WA 98006

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Other Names 1

Former Name (1)Mei-hsuan Ko Dds. Ms.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michelle Mei-hsuan Ko Dds., Ms. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

M. KO AND A. KO, PLLC

Dentist (Periodontics)

12826 SE 40TH LN STE 100
BELLEVUE, WA 98006

King County (425) 877-1423

DR. ALEXANDER KO DMD, MSD

Dentist (Periodontics)

12826 SE 40TH LN STE 100
BELLEVUE, WA 98006

King County (425) 877-1423

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michelle Ko's NPI number?

The NPI number for Michelle Ko is 1275867855. It was assigned to this individual provider in the NPPES registry on September 29, 2009. The provider is also known as Mei-Hsuan Ko Dds. Ms..

Where is Michelle Ko located?

Michelle Ko practices at 12826 SE 40th Ln Ste 100, Bellevue, WA 98006. The listed phone number is (425) 877-1423.

What is Michelle Ko's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Michelle Ko enrolled in Medicare?

Yes. Michelle Ko is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michelle Ko was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.