NPPES file of Aug 9, 2026

Benjamin Adam Nielsen, DMD

Endodontics · Portland, OR

Benjamin Adam Nielsen, DMD is an endodontics with a practice address in Portland, Oregon, and NPI 1538183348, issued on Jul 26, 2006. Check the license (Oregon D8379, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538183348
Name
Benjamin Adam Nielsen
Credential
DMD
Primary taxonomy
Endodontics 1223E0200X
License number
D8379 OR
Self-reported in NPPES; status is on the state search
Practice location
700 NE Multnomah St, Portland, OR 97232
Phone
(503) 230-1234
Enumerated
Jul 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 239-7741
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 700 NE Multnomah St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Aspros, DMDGeneral Practice Dentistry1770646242
  2. Nicole Bennett, PMHNPPsychiatric/Mental Health Nurse Practitioner1164654166
  3. John Bozich, D.M.D.Oral and Maxillofacial Surgery (Dentist)1265644306
  4. Michael Brill, LPCCounseling Psychologist1134509581
  5. Erin CourtneyPhysical Therapist1508276064
  6. Laura Gadzik, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1588924591

Verify Benjamin Adam Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license D8379
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

74% fewer Medicare Part D claims than the average endodontics in 2024

32 Medicare Part D claims for 28 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.

  1. Benjamin Nielsen32
  2. Specialty average121

Most prescribed

  1. Amoxicillin13 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.

Benjamin Adam Nielsen among 113 endodontics records in Oregon

Benjamin Adam Nielsen, DMD is one of 113 endodontics records with a practice address in Oregon. 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 18% of them.

  • NPI issued2006 · 18% of these records are older, 51% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Oregon

There are 113 endodontics records in Oregon.

The 8 endodontics records with the nearest ZIP codes

  1. Andrew Broadsword, DMDPortland, OR 972321285060632
  2. Scott Edgar, DMDPortland, OR 972321497749881
  3. Paul Madden, D.M.D.Portland, OR 972321356554042
  4. Natali Nunez, DDS, MMSCPortland, OR 972321326568510
  5. Brian Strand, DMDPortland, OR 972321205918364
  6. Douglas Boyd, DMD, MSPortland, OR 972331194721555
  7. Steven Elkhal, D.M.D.Portland, OR 972331922179217
  8. Brooks Horan, DOPortland, OR 972331427029503

Common questions

What is Benjamin Adam Nielsen, DMD's NPI number?

Benjamin Adam Nielsen, DMD's National Provider Identifier (NPI) is 1538183348, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Adam Nielsen, DMD located?

The NPPES record lists a practice address at 700 NE Multnomah St, Portland, OR, 97232. Phone: (503) 230-1234. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Adam Nielsen, DMD's license?

NPPES lists Oregon license number D8379, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Benjamin Adam Nielsen, DMD prescribe under Medicare Part D?

In 2024, Benjamin Adam Nielsen, DMD had 32 Medicare Part D claims for 28 beneficiaries; the average among endodontics prescribers was 121. 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.