Marc O'Shea Langland, D.D.S.
Dentist · Vashon, WA
Marc O'Shea Langland, D.D.S. is a dentist with a practice address in Vashon, Washington, and NPI 1265744494, issued on Jul 2, 2010. Check the license (Washington DE60167286, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc O'Shea Langland
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DE60167286 WA
Self-reported in NPPES; status is on the state search - Practice location
- 17425 Vashon Hwy SW, Vashon, WA 98070
- Phone
- (206) 463-9282
- Enumerated
- Jul 2, 2010
- Record last updated
- Jul 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (206) 463-6343
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 17425 Vashon Hwy SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Maki, D.D.S.General Practice Dentistry1598863656
Verify Marc O'Shea Langland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE60167286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average dentist in 2024
112 Medicare Part D claims for 70 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin52 claims
- Azithromycin11 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.
Marc O'Shea Langland among 2,767 dentist records in Washington
Marc O'Shea Langland, D.D.S. is one of 2,767 dentist records with a practice address in Washington. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 43% of them.
- NPI issued2010 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 dentist records list a practice address in Vashon
They are 3 of the 218 NPPES records with a practice address in Vashon, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Vashon → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Cheng, DMDVashon, WA 980701417187634
- Leif Rasmussen, DDSVashon, WA 980701780735720
- Sunghee Choi, DDSWoodinville, WA 980721336887504
- Ipneet Dhaliwal, DDSWoodinville, WA 980721043139694
- Shifali Garg, DDSWoodinville, WA 980721851879472
- J.gabriel Malouf, DDSWoodinville, WA 980721215041439
- Thomas Natale, D.D.S.Woodinville, WA 980721336158856
- Kathryn Parker, D.D.S.Woodinville, WA 980721679957484
Common questions
What is Marc O'Shea Langland, D.D.S.'s NPI number?
Marc O'Shea Langland, D.D.S.'s National Provider Identifier (NPI) is 1265744494, issued on Jul 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marc O'Shea Langland, D.D.S. located?
The NPPES record lists a practice address at 17425 Vashon Hwy SW, Vashon, WA, 98070. Phone: (206) 463-9282. Providers update this record themselves, so call before visiting.
How can I verify Marc O'Shea Langland, D.D.S.'s license?
NPPES lists Washington license number DE60167286, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Marc O'Shea Langland, D.D.S. prescribe under Medicare Part D?
In 2024, Marc O'Shea Langland, D.D.S. had 112 Medicare Part D claims for 70 beneficiaries; the average among dentist prescribers was 86. 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.