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DR. DAVID CARL OBENCHAIN DDS
NPI 1659408284
Dentist - Oral and Maxillofacial Surgery in Seattle, WA

Active since February 28, 2007Opted out of Medicare · through Jan 1, 2027
3295 SW AVALON WAY, SUITE B, SEATTLE, WA 98126(206) 561-2345(206) 990-0800 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 2, 2025, Dec 15, 2022, Nov 17, 2015 (3 updates tracked since 2015).

About Dr. David Carl Obenchain Dds NPPES

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

DR. DAVID CARL OBENCHAIN DDS (NPI 1659408284) is an individual oral and maxillofacial surgery provider in Seattle, Washington, licensed in Washington (DE60102338) and active in the NPI registry since February 2007. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1659408284
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. DAVID CARL OBENCHAINCredential: DDS
Location Address3295 SW AVALON WAY, SUITE BSeattle, WA 98126
Mailing Address3295 Sw Avalon Way Ste BSeattle, WA 98126-2683 · (206) 561-2345 · Fax (206) 990-0800
Phone(206) 561-2345
Fax(206) 990-0800
Sole ProprietorYes
Enumeration DateFebruary 28, 2007
Last NPPES UpdateDecember 2, 20253 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1659408284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in WA · DE60102338
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.
3295 SW AVALON WAY, Seattle, WA 98126
Open in Google Maps ↗

Other Identifiers 2

OtherDE60102338WA · Dental License
Medicaid2230333WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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. David Carl Obenchain 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 January 1, 2017 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2017
Opt-Out In Effect ThroughJanuary 1, 2027Opt-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 98126 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

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

RONALD L.WINN DDS PS
Clinic/Center (Dental)
3295 SW AVALON WAY
SEATTLE, WA 98126
King County (630) 631-2407

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 David Obenchain's NPI number?

The NPI number for David Obenchain is 1659408284. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is David Obenchain located?

David Obenchain practices at 3295 SW Avalon Way Suite B, Seattle, WA 98126. The listed phone number is (206) 561-2345.

What is David Obenchain's specialty?

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

Is David Obenchain enrolled in Medicare?

No. David Obenchain has opted out of Medicare through January 1, 2027. 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 David Obenchain accept?

Health plans from Anthem Blue Cross and Blue Shield, 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 9 other insurers list David Obenchain 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 David Obenchain was last updated on December 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.