Matthew Allan Nielsen, D.D.S.
Dentist · Hillsboro, OR
Matthew Allan Nielsen, D.D.S. is a dentist with a practice address in Hillsboro, Oregon, and NPI 1215184528, issued on Aug 19, 2008. Check the license (Oregon D9123, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Allan Nielsen
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- D9123 OR
Self-reported in NPPES; status is on the state search - Practice location
- 324 SE 9TH Ave, Hillsboro, OR 97123
- Phone
- (503) 648-6671
- Enumerated
- Aug 19, 2008
- Record last updated
- Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (503) 693-1143
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,246 in Oregon → Look up another NPI →
Also registered at 324 SE 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Galloway, DMDGeneral Practice Dentistry1932348505
- Mario Pedroza, DDSDentist1629150982
- Pedram Salimi, D.M.D.Dentist1255474474
Verify Matthew Allan Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D9123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $44.88
2 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Matthew Allan Nielsen among 1,246 dentist records in Oregon
Matthew Allan Nielsen, D.D.S. 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 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 55% 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 updated2008 · 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).
44 dentist records list a practice address in Hillsboro
They are 44 of the 3,302 NPPES records with a practice address in Hillsboro, and 1,246 dentist records in Oregon.
All 1,246 in Oregon → Every provider in Hillsboro → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Stefanie Beckley, DMDHillsboro, OR 971231730563990
- Mark Coussens, DMDHillsboro, OR 971231205847563
- Aixa Devarie Morales, DMDHillsboro, OR 971231689915084
- Megan HaysHillsboro, OR 971231184033987
- Michael Kim, DMDHillsboro, OR 971231235685967
- Indhya Padinjaral Krishna, DDSHillsboro, OR 971231083138440
- Mary Parent, DMDHillsboro, OR 971231184613689
- Mario Pedroza, DDSHillsboro, OR 971231629150982
Common questions
What is Matthew Allan Nielsen, D.D.S.'s NPI number?
Matthew Allan Nielsen, D.D.S.'s National Provider Identifier (NPI) is 1215184528, issued on Aug 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Allan Nielsen, D.D.S. located?
The NPPES record lists a practice address at 324 SE 9TH Ave, Hillsboro, OR, 97123. Phone: (503) 648-6671. Providers update this record themselves, so call before visiting.
How can I verify Matthew Allan Nielsen, D.D.S.'s license?
NPPES lists Oregon license number D9123, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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.