Gregory James Sykora, DMD
Dentist · Corvallis, OR
Gregory James Sykora, DMD is a dentist with a practice address in Corvallis, Oregon, and NPI 1275189516, issued on Aug 13, 2019. Check the license (Oregon D11128, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory James Sykora
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- D11128 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1830 NW 9TH St Ste 106, Corvallis, OR 97330
- Phone
- (541) 207-0603
- Enumerated
- Aug 13, 2019
- Record last updated
- Aug 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,246 in Oregon → Look up another NPI →
Also registered at 1830 NW 9TH St Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Traci AdamsDental Hygienist1851038178
- Chantelle Vian, EPDHDental Hygienist1508503079
Verify Gregory James Sykora in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D11128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average dentist in 2024
44 Medicare Part D claims for 27 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin18 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.
Gregory James Sykora among 1,246 dentist records in Oregon
Gregory James Sykora, DMD is one of 1,246 dentist records with a practice address in Oregon. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 68% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Oregon
There are 1,246 dentist records in Oregon.
All 1,246 in Oregon → Every provider in Corvallis → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Christopher Butler, D.M.D.Corvallis, OR 973301306121223
- Curtis Clark, DMDCorvallis, OR 973301629067418
- Cameron Clark, DMDCorvallis, OR 973301912137282
- Robert Harmen, D.D.S.Corvallis, OR 973301083812267
- Samuel Hinds, DMDCorvallis, OR 973301346219193
- Tommy Laster, D.D.S.Corvallis, OR 973301144516469
- Steven Long, DMDCorvallis, OR 973301740259415
- Ryan Mott, DDSCorvallis, OR 973301023520574
Common questions
What is Gregory James Sykora, DMD's NPI number?
Gregory James Sykora, DMD's National Provider Identifier (NPI) is 1275189516, issued on Aug 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gregory James Sykora, DMD located?
The NPPES record lists a practice address at 1830 NW 9TH St Ste 106, Corvallis, OR, 97330. Phone: (541) 207-0603. Providers update this record themselves, so call before visiting.
How can I verify Gregory James Sykora, DMD's license?
NPPES lists Oregon license number D11128, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory James Sykora, DMD prescribe under Medicare Part D?
In 2024, Gregory James Sykora, DMD had 44 Medicare Part D claims for 27 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.