David Carl Obenchain, DDS
Oral and Maxillofacial Surgery (Dentist) · Seattle, WA
David Carl Obenchain, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Seattle, Washington, and NPI 1659408284, issued on Feb 28, 2007. Check the license (Washington DE60102338, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Carl Obenchain
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- DE60102338 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3295 SW Avalon Way, Seattle, WA 98126
- Phone
- (206) 561-2345
- Enumerated
- Feb 28, 2007
- Record last updated
- Dec 2, 2025
- Fax
- (206) 990-0800
- Medicaid ID
- 2230333 WA
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 199 in Washington → Look up another NPI →
Verify David Carl Obenchain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE60102338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
126 Medicare Part D claims for 60 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 43 claims were for opioids.
Most prescribed
- Cephalexin46 claims
- Hydrocodone-Acetaminophen39 claims
- Ibuprofen14 claims
- Clindamycin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
David Carl Obenchain among 199 oral and maxillofacial surgery (dentist) records in Washington
David Carl Obenchain, DDS is one of 199 oral and maxillofacial surgery (dentist) records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Washington
There are 199 oral and maxillofacial surgery (dentist) records in Washington.
All 199 in Washington → Every provider in Seattle → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- William Hooe, DDSShoreline, WA 981331104989284
- Shiwoo Kim, D.M.DShoreline, WA 981331255873345
- Darlene Chan, DDSSeattle, WA 981161093882185
- Christopher Conser, DDS, MDSeattle, WA 981161912526062
- Thomas Dodson, DMDSeattle, WA 981151629050653
- Michael Siew, DDS, MDSeattle, WA 981151164959169
- Joshua Teh, DDSSeattle, WA 981091609167113
- Alan Deubner, DDSSeattle, WA 981081376653840
Common questions
What is David Carl Obenchain, DDS's NPI number?
David Carl Obenchain, DDS's National Provider Identifier (NPI) is 1659408284, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Carl Obenchain, DDS located?
The NPPES record lists a practice address at 3295 SW Avalon Way, Seattle, WA, 98126. Phone: (206) 561-2345. Providers update this record themselves, so call before visiting.
How can I verify David Carl Obenchain, DDS's license?
NPPES lists Washington license number DE60102338, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does David Carl Obenchain, DDS prescribe under Medicare Part D?
In 2024, David Carl Obenchain, DDS had 126 Medicare Part D claims for 60 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.