NPPES file of Aug 9, 2026

Loan Bich Nguyen, DMD

Dentist · Portland, OR

Loan Bich Nguyen, DMD is a dentist with a practice address in Portland, Oregon, and NPI 1760585681, issued on Sep 6, 2006. Check the license (Oregon D7641, 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
1760585681
Name
Loan Bich Nguyen
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
D7641 OR
Self-reported in NPPES; status is on the state search
Practice location
822 NE 181St Ave, Portland, OR 97230
Phone
(503) 661-5210
Enumerated
Sep 6, 2006
Record last updated
Jul 16, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 669-3989
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.
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Also registered at 822 NE 181St Ave

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

  1. Richard Aronstein, DDSDentist1396771986
  2. Julia Berry, EFDADental Assistant1841367125
  3. Audrey Borges, DENTAL ASST. EFDADental Assistant1538225727
  4. Julie Carmen, RDHDental Hygienist1720244882
  5. Adriana Carpenter, R.D.H.Dental Hygienist1861401101
  6. Katherine Detrick, RDHDental Hygienist1861406944

Verify Loan Bich Nguyen 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 D7641
    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.

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44% fewer Medicare Part D claims than the average dentist in 2024

48 Medicare Part D claims for 23 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.

  1. Loan Nguyen48
  2. Specialty average86

Most prescribed

  1. Amoxicillin13 claims
  2. Sodium Fluoride11 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.

Loan Bich Nguyen among 1,246 dentist records in Oregon

Loan Bich Nguyen, DMD 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 75% 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 updated2007 · 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).

Dentist providers in Oregon

There are 1,246 dentist records in Oregon.

The 8 dentist records with the nearest ZIP codes

  1. Richard Aronstein, DDSPortland, OR 972301396771986
  2. Paul Choi, DDSPortland, OR 972301508335993
  3. Oliver Graumann, DDSPortland, OR 972301801782008
  4. Macaelan Hanrahan, DMDPortland, OR 972301073240081
  5. Manerva Hart, DDSPortland, OR 972301457733529
  6. Rachelle Sohler, D.D.S.Portland, OR 972301982842407
  7. Nathaniel AustriaPortland, OR 972291164642161
  8. David Christianson, D.D.S.Portland, OR 972291992017842

Common questions

What is Loan Bich Nguyen, DMD's NPI number?

Loan Bich Nguyen, DMD's National Provider Identifier (NPI) is 1760585681, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Loan Bich Nguyen, DMD located?

The NPPES record lists a practice address at 822 NE 181St Ave, Portland, OR, 97230. Phone: (503) 661-5210. Providers update this record themselves, so call before visiting.

How can I verify Loan Bich Nguyen, DMD's license?

NPPES lists Oregon license number D7641, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Loan Bich Nguyen, DMD prescribe under Medicare Part D?

In 2024, Loan Bich Nguyen, DMD had 48 Medicare Part D claims for 23 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.