Gregory Albert Royack, DDS
Dentist · Bremerton, WA
Gregory Albert Royack, DDS is a dentist with a practice address in Bremerton, Washington, and NPI 1740244623, issued on Apr 17, 2006. Check the license (Washington DE00009399, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Albert Royack
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DE00009399 WA
Self-reported in NPPES; status is on the state search - Practice location
- 616 Sixth Street, Bremerton, WA 98337
- Phone
- (360) 478-2368
- Enumerated
- Apr 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 475-3700
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 616 Sixth Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Larry Gorman, M.D.Orthopaedic Surgery Physician1760603302
- Donnaville Ortiz, MDFamily Medicine Physician1609991926
Verify Gregory Albert Royack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE00009399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average dentist in 2024
67 Medicare Part D claims for 47 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
- Chlorhexidine Gluconate25 claims
- Amoxicillin20 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 Albert Royack among 2,767 dentist records in Washington
Gregory Albert Royack, DDS 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 78% 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 updated2007 · 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).
27 dentist records list a practice address in Bremerton
They are 27 of the 3,142 NPPES records with a practice address in Bremerton, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Bremerton → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Alsteen, DDSBremerton, WA 983371801520580
- Hien Dao, DDSBremerton, WA 983371497770267
- Kaitlyn Frey, DMDBremerton, WA 983371669112322
- Robert Gross, DDSBremerton, WA 983371104851856
- Eric Grunow, D.M.D.Bremerton, WA 983371124337878
- Michael Insani, DDSBremerton, WA 983371144249178
- Cole Johnson, DDSBremerton, WA 983371205419991
- Ann Jones, DDSBremerton, WA 983371346792108
Common questions
What is Gregory Albert Royack, DDS's NPI number?
Gregory Albert Royack, DDS's National Provider Identifier (NPI) is 1740244623, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Albert Royack, DDS located?
The NPPES record lists a practice address at 616 Sixth Street, Bremerton, WA, 98337. Phone: (360) 478-2368. Providers update this record themselves, so call before visiting.
How can I verify Gregory Albert Royack, DDS's license?
NPPES lists Washington license number DE00009399, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Albert Royack, DDS prescribe under Medicare Part D?
In 2024, Gregory Albert Royack, DDS had 67 Medicare Part D claims for 47 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.