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DR. PRESTON JOHN DEKKER DDS
NPI 1962903112
Dentist - Oral and Maxillofacial Surgery in Mill Creek, WA

Active since February 23, 2018Opted out of Medicare · through Dec 6, 2026
15421 MAIN ST STE 101, MILL CREEK, WA 98012(425) 336-1894 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 8, 2026, Sep 9, 2018, Mar 17, 2018 and 1 more (4 updates tracked since 2018).

About Dr. Preston John Dekker Dds NPPES

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

DR. PRESTON JOHN DEKKER DDS (NPI 1962903112) is an individual oral and maxillofacial surgery provider in Mill Creek, Washington, licensed in Washington (DE61485147) and active in the NPI registry since February 2018. He has opted out of Medicare through December 6, 2026 and remains eligible to order and refer and maintains 9 additional practice locations.

NPPES Registry Identity

NPI1962903112
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. PRESTON JOHN DEKKERCredential: DDS
Location Address15421 MAIN ST STE 101Mill Creek, WA 98012-9002
Mailing Address915 1st St SKirkland, WA 98033-6528 · (480) 313-7636
Phone(425) 336-1894
Sole ProprietorNo
Enumeration DateFebruary 23, 2018
Last NPPES UpdateMay 8, 20264 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
✔ NPI 1962903112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in WA · DE61485147
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 019.031837 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 22DI03148100 (NJ)
15421 MAIN ST STE 101, Mill Creek, WA 98012
Open in Google Maps ↗

Secondary Practice Locations 9

Location 12902 164th St SW Ste C1Lynnwood, WA 98087-3201 · Phone (425) 381-4975
Location 2300 2nd AveLong Branch, NJ 07740-6395 · Phone (732) 222-5200
Location 3224 36th StBellingham, WA 98225-6540 · Phone (360) 474-4390
Location 4305 SE Everett Mall Way Ste 18Everett, WA 98208-3250 · Phone (425) 654-1264
Location 5535 Broadway ESeattle, WA 98102-5023 · Phone (206) 829-4333
Location 65900 15th Ave NWSeattle, WA 98107-3008 · Phone (206) 388-5391
Location 713317 NE 175th St Ste AAWoodinville, WA 98072-6815 · Phone (425) 321-5614
Location 8324 E College Way Ste 101Mount Vernon, WA 98273-5473 · Phone (360) 610-4129
Location 93943 116th St NE Ste 103Marysville, WA 98271-8448 · Phone (360) 284-4632

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, BEST Life, Blue Cross and Blue Shield of Alabama 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

Dr. Preston John Dekker Dds 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 December 6, 2022 through December 6, 2026.

Opt-Out Effective DateDecember 6, 2022
Opt-Out In Effect ThroughDecember 6, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98012 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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 5

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

KAREN LOVATO DDS
Dentist (Endodontics)
15421 MAIN ST STE 101
MILL CREEK, WA 98012
Snohomish County (425) 316-8095
DANIEL CHO DDS
Dentist (General Practice)
15421 MAIN ST STE 101
MILL CREEK, WA 98012
Snohomish County (425) 948-1151
DR. FARDAD SAYYAH D.D.S.
Dentist (General Practice)
15421 MAIN ST STE 101
MILL CREEK, WA 98012
Snohomish County (425) 316-8095
STEVEN FAOUAZ DMD
Dentist (General Practice)
15421 MAIN ST STE 101
MILL CREEK, WA 98012
Snohomish County (425) 336-1894
GARRET REED D.D.S.
Dentist
15421 MAIN ST STE 101
MILL CREEK, WA 98012
Snohomish County (415) 316-8095

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 Preston Dekker's NPI number?

The NPI number for Preston Dekker is 1962903112. It was assigned to this individual provider in the NPPES registry on February 23, 2018.

Where is Preston Dekker located?

Preston Dekker practices at 15421 Main St Ste 101, Mill Creek, WA 98012. The listed phone number is (425) 336-1894.

What is Preston Dekker's specialty?

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

Is Preston Dekker enrolled in Medicare?

No. Preston Dekker has opted out of Medicare through December 6, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Preston Dekker accept?

Health plans from Ambetter from Arizona Complete Health, BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 8 other insurers list Preston Dekker 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 Preston Dekker was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.