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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MICHAEL M SIEW DDS MD PLLC
NPI 1033038427
Dentist - Oral and Maxillofacial Surgery in Seattle, WA

Active since July 10, 2026
916 NE RAVENNA BLVD, SEATTLE, WA 98115(206) 525-6181 Get Directions Write a Review

NPPES record added: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2026, Jul 15, 2026, Jul 10, 2026 (3 updates tracked since 2026).

About Michael M Siew Dds Md Pllc NPPES

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

MICHAEL M SIEW DDS MD PLLC (NPI 1033038427) is a healthcare organization registered as an oral and maxillofacial surgery in Seattle, Washington and active in the NPI registry since July 2026. The organization lists Michael Siew, Member, as its authorized official.

NPPES Registry Identity

NPI1033038427
Entity TypeOrganization
Primary Taxonomy1223S0112X
Legal Business NameMICHAEL M SIEW DDS MD PLLC
Location Address916 NE RAVENNA BLVDSeattle, WA 98115-5566
Mailing Address916 Ne Ravenna BlvdSeattle, WA 98115-5566 · (206) 845-7333 · Fax (206) 672-1369
Phone(206) 525-6181
Organization SubpartNo
Authorized OfficialMichael SiewMember · (915) 255-3161
Enumeration DateJuly 10, 2026
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1033038427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Also ListedOral & Maxillofacial SurgeryTaxonomy 204E00000X
916 NE RAVENNA BLVD, Seattle, WA 98115
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 5

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

DR. JUNGHI JANE KIM DDS
Dentist
916 NE RAVENNA BLVD
SEATTLE, WA 98115
King County (206) 525-6181
MICHAEL MANCHANG SIEW JR. DDS, MD
Dentist (Oral and Maxillofacial Surgery)
916 NE RAVENNA BLVD
SEATTLE, WA 98115
King County (206) 845-7333
DEBRA L. CEDERBAUM, D.D.S.
Dentist (General Practice)
916 NE RAVENNA BLVD
SEATTLE, WA 98115
King County (206) 524-1314
DR. DEBRA L CEDERBAUM D.D.S.
Dentist (General Practice)
916 NE RAVENNA BLVD
SEATTLE, WA 98115
King County (206) 524-1314
DR. MICHAEL TAKSANG SIEW SR. DDS
Dentist (General Practice)
916 NE RAVENNA BLVD
SEATTLE, WA 98115
King County (206) 525-6181

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 Michael M Siew Dds MD PLLC's NPI number?

The NPI number for Michael M Siew Dds MD PLLC is 1033038427. It was assigned to this organization in the NPPES registry on July 10, 2026.

Where is Michael M Siew Dds MD PLLC located?

Michael M Siew Dds MD PLLC is located at 916 NE Ravenna Blvd, Seattle, WA 98115. The listed phone number is (206) 525-6181.

What is Michael M Siew Dds MD PLLC's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

When was this NPI record last updated?

The NPPES record for Michael M Siew Dds MD PLLC was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.