Hugh William Gruhn, DDS
General Practice Dentistry · Kirkland, WA
Hugh William Gruhn, DDS is a general practice dentistry with a practice address in Kirkland, Washington, and NPI 1497814495, issued on Dec 6, 2006. Check the license (Washington 6856, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hugh William Gruhn
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6856 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9800 NE 120TH PL, Kirkland, WA 98034
- Phone
- (425) 823-1600
- Enumerated
- Dec 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 820-6715
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Verify Hugh William Gruhn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 6856Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average general practice dentistry in 2024
49 Medicare Part D claims for 38 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin40 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.
Hugh William Gruhn among 3,196 general practice dentistry records in Washington
Hugh William Gruhn, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 57% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 general practice dentistry records list a practice address in Kirkland
They are 53 of the 3,404 NPPES records with a practice address in Kirkland, and 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in Kirkland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Matthew Bagnulo, DDSKirkland, WA 980341982799987
- David Chen, DDSKirkland, WA 980341316938525
- Louis Cheung, DDSKirkland, WA 980341477648244
- Philip Etheredge, DDSKirkland, WA 980341093813800
- Albert Everett, III, DDSKirkland, WA 980341326070079
- Ryan Fox, D.D.S.Kirkland, WA 980341841272929
- John Huang, D.D.S.Kirkland, WA 980341679648216
- Ann Kelley, D.D.S.Kirkland, WA 980341184718777
Common questions
What is Hugh William Gruhn, DDS's NPI number?
Hugh William Gruhn, DDS's National Provider Identifier (NPI) is 1497814495, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hugh William Gruhn, DDS located?
The NPPES record lists a practice address at 9800 NE 120TH PL, Kirkland, WA, 98034. Phone: (425) 823-1600. Providers update this record themselves, so call before visiting.
How can I verify Hugh William Gruhn, DDS's license?
NPPES lists Washington license number 6856, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Hugh William Gruhn, DDS prescribe under Medicare Part D?
In 2024, Hugh William Gruhn, DDS had 49 Medicare Part D claims for 38 beneficiaries; the average among general practice dentistry prescribers was 83. 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.