DAVID CARL OBENCHAIN DDS, PLLC
NPI 1265380877
Dentist - Oral and Maxillofacial Surgery in Seattle, WA
NPI Status: Active since March 19, 2026
Contact Information
3295 SW AVALON WAY STE B
SEATTLE, WA
ZIP 98126
Phone: (206) 561-2345
Fax: (206) 990-0800
- Organization
- Dentist
- Oral and Maxillofacial Surgery
About DAVID CARL OBENCHAIN DDS, PLLC
This page provides the complete NPI Profile along with additional information for David Carl Obenchain Dds, Pllc, a provider established in Seattle, Washington operating as a Dentist, focusing in oral and maxillofacial surgery . The healthcare provider is registered in the NPI registry with number 1265380877 assigned on March 2026. The practitioner's primary taxonomy code is 1223S0112X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is David Carl Obenchain Dds (Owner/provider)
- NPI
- 1265380877
- Provider Name
- DAVID CARL OBENCHAIN DDS, PLLC
- Entity Type
- Organization
- Location Address
- 3295 SW AVALON WAY STE B SEATTLE, WA 98126
- Location Phone
- (206) 561-2345
- Location Fax
- (206) 990-0800
- Mailing Address
- 3295 SW AVALON WAY STE B SEATTLE, WA 98126
- Mailing Phone
- (206) 561-2345
- Mailing Fax
- (206) 990-0800
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-19-2026
- Last Update Date
- 03-19-2026
- Code Navigator
A dentist like David Carl Obenchain Dds, Pllc is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Dentist Oral and Maxillofacial Surgery
- Taxonomy Code
- 1223S0112X
- Type
- Dental Providers
- Taxonomy Description
- 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.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 2230333 | MEDICAID (05) | WA |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1265380877, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1265380877, enumerated as an "organization" on March 19, 2026.
The provider is located at 3295 SW AVALON WAY STE B SEATTLE, WA 98126 and the phone number is (206) 561-2345.
Dentist with taxonomy code 1223S0112X and a focus in Oral and Maxillofacial Surgery.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
