Brett Bergseid, D.D.S.
Dentist · Thornton, CO
Brett Bergseid, D.D.S. is a dentist with a practice address in Thornton, Colorado, and NPI 1144682360, issued on Mar 26, 2016. Check the license (Colorado DEN.00203059, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brett Bergseid
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN.00203059 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9774 Washington St, Thornton, CO 80229
- Phone
- (303) 256-9610
- Enumerated
- Mar 26, 2016
- Record last updated
- Jun 24, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,020 in Colorado → Look up another NPI →
Also registered at 9774 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brett Bergseid in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license DEN.00203059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average dentist in 2024
12 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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.
Brett Bergseid among 2,020 dentist records in Colorado
Brett Bergseid, D.D.S. is one of 2,020 dentist records with a practice address in Colorado. 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 2016, is newer than 63% of them.
- NPI issued2016 · 63% of these records are older, 34% 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 updated2025 · 62% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 dentist records list a practice address in Thornton
They are 36 of the 2,234 NPPES records with a practice address in Thornton, and 2,020 dentist records in Colorado.
All 2,020 in Colorado → Every provider in Thornton → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Matthew Allen, D.D.S.Thornton, CO 802291144533696
- Megan Bright, DDSThornton, CO 802291396172532
- Michael Fiala, D.D.S.Thornton, CO 802291588047963
- Geffory Hoffman, DDSThornton, CO 802291659391522
- Brian Hutchison, DDSThornton, CO 802291538321401
- Eric Johnson, DMDThornton, CO 802291417324138
- Jamie Marquez, D.M.D.Thornton, CO 802291891074431
- Celeste Riggs, D.D.S.Thornton, CO 802291558552307
Common questions
What is Brett Bergseid, D.D.S.'s NPI number?
Brett Bergseid, D.D.S.'s National Provider Identifier (NPI) is 1144682360, issued on Mar 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brett Bergseid, D.D.S. located?
The NPPES record lists a practice address at 9774 Washington St, Thornton, CO, 80229. Phone: (303) 256-9610. Providers update this record themselves, so call before visiting.
How can I verify Brett Bergseid, D.D.S.'s license?
NPPES lists Colorado license number DEN.00203059, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Brett Bergseid, D.D.S. prescribe under Medicare Part D?
In 2024, Brett Bergseid, D.D.S. had 12 Medicare Part D claims; 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.