Active NPI
David Carl Obenchain, DDS
- Oral and Maxillofacial Surgery (Dentist)
- Seattle, WA
National Provider Identifier
1659408284
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)
- License
- DE60102338
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| DE60102338 | Other | WA | DENTAL LICENSE |
| 2230333 | Medicaid | WA |
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
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| DE60102338 | WA | MD | Oral and Maxillofacial Surgery (Dentist) |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Oral Maxillo Facial Surgeons, Inc | Oral and Maxillofacial Surgery | Past | Accepting new patients |
| David Carl Obenchain DDS, PLLC | Oral and Maxillofacial Surgery | Past | 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.
-
- Oral and Maxillofacial Surgery (Dentist)
- Seattle, WA
- NPI 1265380877
-
- Oral and Maxillofacial Surgery (Dentist)
- Omaha, NE
- NPI 1760576813
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.