Individual provider Active NPI

David Carl Obenchain, DDS

  • Oral and Maxillofacial Surgery (Dentist)
  • Seattle, WA
National Provider Identifier
1659408284
Registry record updated Dec 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X
License
DE60102338 Issued in WA
Practice address
3295 SW Avalon Way
Suite B
Seattle, WA 98126
Phone
(206) 561-2345
Fax
(206) 990-0800
NPI assigned
Feb 28, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 2, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X DE60102338 WA Primary

Addresses

Primary practice location

3295 SW Avalon Way
Suite B
Seattle, WA 98126

Mailing address

3295 SW Avalon Way Ste B
Seattle, WA 98126-2683
Phone (206) 561-2345

Other identifiers 2

IdentifierTypeStateIssuer
DE60102338OtherWADENTAL LICENSE
2230333MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.
Opted out of Medicare
Yes, effective Jan 1, 2017 through Jan 1, 2027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
DE60102338WAMDOral and Maxillofacial Surgery (Dentist)

Practice roles

OrganizationSpecialtyStatusNew patients
Oral Maxillo Facial Surgeons, Inc Oral and Maxillofacial Surgery Past Accepting new patients
David Carl Obenchain DDS, PLLC Oral and Maxillofacial Surgery PastSince Dec 7, 2025 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1172620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1659408284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3295 SW AVALON WAY STE B",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981262683",
            "telephone_number": "206-561-2345",
            "fax_number": "206-990-0800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3295 SW AVALON WAY",
            "address_2": "SUITE B",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "98126",
            "telephone_number": "206-561-2345",
            "fax_number": "206-990-0800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBENCHAIN",
        "first_name": "DAVID",
        "middle_name": "CARL",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-28",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "WA",
            "license": "DE60102338",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DENTAL LICENSE",
            "identifier": "DE60102338",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2230333",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.