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MATTHEW JOHN WILLIAMS D.D.S.
NPI 1790086957
Dentist - Oral and Maxillofacial Surgery in Portland, OR

Active since November 04, 2010Opted out of Medicare · through Mar 14, 2027
8931 SE FOSTER RD, PORTLAND, OR 97266(855) 433-6825 Get Directions Write a Review

NPPES record last updated: April 2, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Matthew John Williams D.d.s. NPPES

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

MATTHEW JOHN WILLIAMS D.D.S. (NPI 1790086957) is an individual oral and maxillofacial surgery provider in Portland, Oregon, licensed in Oregon (D11405) and active in the NPI registry since November 2010. He has opted out of Medicare through March 14, 2027 and maintains a secondary practice location in St. Paul.

NPPES Registry Identity

NPI1790086957
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameMATTHEW JOHN WILLIAMSCredential: D.D.S.
Location Address8931 SE FOSTER RDPortland, OR 97266-4661
Mailing Address6590 Ne Campus WayHillsboro, OR 97124 · (855) 433-6825
Phone(855) 433-6825
Sole ProprietorYes
Enumeration DateNovember 4, 2010
Last NPPES UpdateApril 2, 2021
NPPES CertifiedMarch 11, 2021
✔ NPI 1790086957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in OR · D11405
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 ListedDentistTaxonomy 122300000X · License 1364 (AK)
8931 SE FOSTER RD, Portland, OR 97266
Open in Google Maps ↗

Secondary Practice Location 1

Location 11000 Polovenia Turnpike RoadSt. Paul, AK 99660 · Phone (907) 546-8300 · Fax (907) 546-8370

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Matthew John Williams D.d.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 14, 2023 through March 14, 2027.

Opt-Out Effective DateMarch 14, 2023
Opt-Out In Effect ThroughMarch 14, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 18

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

MS. THAO MINHPHOUNG CHU D.D.S.
Dentist (General Practice)
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
DR. BLAINE E. MOWREY D.M.D., M.S.
Dentist (Endodontics)
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
DR. KOICHI SAITO D.M.D.
Dentist (Endodontics)
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
JENNIFER ROSALES D.M.D.
Dentist
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
DR. TU ANH NGUYEN DDS
Dentist
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
DR. RAJIV RAMCHANDRA PAONASKAR D.D.S.
Dentist (Orthodontics and Dentofacial Orthopedics)
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
EMILY REBECCA GOFF DMD
Dentist
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825
BAHAR TAJDAR DMD
Dentist (General Practice)
8931 SE FOSTER RD
PORTLAND, OR 97266
Multnomah County (855) 433-6825

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 Matthew Williams's NPI number?

The NPI number for Matthew Williams is 1790086957. It was assigned to this individual provider in the NPPES registry on November 4, 2010.

Where is Matthew Williams located?

Matthew Williams practices at 8931 SE Foster Rd, Portland, OR 97266. The listed phone number is (855) 433-6825.

What is Matthew Williams's specialty?

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

Is Matthew Williams enrolled in Medicare?

No. Matthew Williams has opted out of Medicare through March 14, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Matthew Williams accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BridgeSpan Health Company and 10 other insurers list Matthew Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Matthew Williams was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.