David A. Tegrotenhuis, DDS
Dentist · Friday Harbor, WA
David A. Tegrotenhuis, DDS is a dentist with a practice address in Friday Harbor, Washington, and NPI 1003920612, issued on Aug 19, 2006. Check the license (Washington DE00010112, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David A. Tegrotenhuis
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DE00010112 WA
Self-reported in NPPES; status is on the state search - Practice location
- 110 Rhone St, Friday Harbor, WA 98250
- Phone
- (360) 378-2888
- Enumerated
- Aug 19, 2006
- Record last updated
- Jun 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Verify David A. Tegrotenhuis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE00010112Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average dentist in 2024
17 Medicare Part D claims for 15 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.
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 A. Tegrotenhuis among 2,767 dentist records in Washington
David A. Tegrotenhuis, 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 updated2012 · 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 Friday Harbor
They are 3 of the 152 NPPES records with a practice address in Friday Harbor, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Friday Harbor → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Mark Fleming, D.D.S.Friday Harbor, WA 982501295032167
- Jessica HaleFriday Harbor, WA 982501902672553
- Kyle Fukano, DDSFreeland, WA 982491407951973
- John Monroe, D.D.S.Freeland, WA 982491295890432
- Brittany Brawley, DDS, MSFerndale, WA 982481588049514
- Patricia Conn, D.D.S.Ferndale, WA 982481033348271
- Alan Faber, DDSFerndale, WA 982481598327504
- David Gore, DDSGranite Falls, WA 982521952784365
Common questions
What is David A. Tegrotenhuis, DDS's NPI number?
David A. Tegrotenhuis, DDS's National Provider Identifier (NPI) is 1003920612, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Tegrotenhuis, DDS located?
The NPPES record lists a practice address at 110 Rhone St, Friday Harbor, WA, 98250. Phone: (360) 378-2888. Providers update this record themselves, so call before visiting.
How can I verify David A. Tegrotenhuis, DDS's license?
NPPES lists Washington license number DE00010112, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does David A. Tegrotenhuis, DDS prescribe under Medicare Part D?
In 2024, David A. Tegrotenhuis, DDS had 17 Medicare Part D claims for 15 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.