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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OWEN TAM DDS
NPI 1366218927
Dentist - General Practice in Seattle, WA

Active since November 27, 2023PECOS Enrolled
3222 CALIFORNIA AVE SW, SEATTLE, WA 98116(206) 934-0477 Get Directions Write a Review

NPPES record last updated: September 7, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 7, 2026, Jul 2, 2025 (2 updates tracked since 2025).

About Owen Tam Dds NPPES

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

OWEN TAM DDS (NPI 1366218927) is an individual general practice provider in Seattle, Washington, licensed in Washington (DENT.DE.70115491) and active in the NPI registry since November 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Redmond.

NPPES Registry Identity

NPI1366218927
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameOWEN TAMCredential: DDS
Location Address3222 CALIFORNIA AVE SWSeattle, WA 98116-3305
Mailing Address201 142nd Pl NeBellevue, WA 98007-6945 · (206) 913-7111
Phone(206) 934-0477
Sole ProprietorYes
Enumeration DateNovember 27, 2023
Last NPPES UpdateSeptember 7, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 7, 2026
✔ NPI 1366218927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in WA · DENT.DE.70115491
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
3222 CALIFORNIA AVE SW, Seattle, WA 98116
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Secondary Practice Location 1

Location 12217 152nd Ave NE Ste 150Redmond, WA 98052-5519 · Phone (425) 641-5000

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Owen Tam Dds 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 98116 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.

HEALTHY SMILES BY DR SATURAY
Dentist (General Practice)
3222 CALIFORNIA AVE SW
SEATTLE, WA 98116
King County (206) 934-0477
DR. KATHLEEN SATURAY DDS
Dentist (General Practice)
3222 CALIFORNIA AVE SW
SEATTLE, WA 98116
King County (206) 934-0477

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 Owen Tam's NPI number?

The NPI number for Owen Tam is 1366218927. It was assigned to this individual provider in the NPPES registry on November 27, 2023.

Where is Owen Tam located?

Owen Tam practices at 3222 California Ave SW, Seattle, WA 98116. The listed phone number is (206) 934-0477.

What is Owen Tam's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Owen Tam enrolled in Medicare?

Yes. Owen Tam is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Owen Tam was last updated on September 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.