NPPES file of Aug 9, 2026

Gregory Louis Andersen, RDH

Dental Hygienist · Portland, OR

Gregory Louis Andersen, RDH is a dental hygienist with a practice address in Portland, Oregon, and NPI 1588404982, issued on May 31, 2024. Check the license (Oregon H8136, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1588404982
Name
Gregory Louis Andersen
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
License number
H8136 OR
Self-reported in NPPES; status is on the state search
Practice location
12750 SE Stark St Bldg E, Portland, OR 97233
Phone
(971) 347-3009
Enumerated
May 31, 2024
Record last updated
May 31, 2024
Fax
(971) 256-3277
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 12750 SE Stark St Bldg E

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

  1. Azma Ahmed, DDSDentist1417341983
  2. Alondra Alonso-LopezDental Assistant1881550671
  3. Lisa Anderson, DMDDentist1801349980
  4. Margaret Anderson Brunner, DDSGeneral Practice Dentistry1548338809
  5. Bruce Austin, DMDGeneral Practice Dentistry1932133303
  6. Pilar Beltran, DADental Assistant1518310770

Verify Gregory Louis Andersen 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 H8136    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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Dental Hygienist providers in Oregon

There are 1,167 dental hygienist records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,167 in Oregon → Every provider in Portland →

Other dental hygienist records in Oregon

  1. Gail Aamodt, RDHHillsboro, OR1851016539
  2. Melissa Abbott, RDHBrooks, OR1295158434
  3. Radawn Abriel, RDHHillsboro, OR1548414030
  4. Jennifer Adamo, RDHEugene, OR1376918748
  5. Michelle Adams, RDHThe Dalles, OR1164894168
  6. Sandra Adams, RDHHermiston, OR1033889068
  7. Traci AdamsCorvallis, OR1851038178
  8. Rania Adnan, RDHBeaverton, OR1427980986
  9. Alvin Ahlstrom, RDHGrants Pass, OR1427338797
  10. Rachel Aiello, RDHHillsboro, OR1225924582

Common questions

What is Gregory Louis Andersen, RDH's NPI number?

Gregory Louis Andersen, RDH's National Provider Identifier (NPI) is 1588404982, issued on May 31, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Louis Andersen, RDH located?

The NPPES record lists a practice address at 12750 SE Stark St Bldg E, Portland, OR, 97233. Phone: (971) 347-3009. Providers update this record themselves, so call before visiting.

How can I verify Gregory Louis Andersen, RDH's license?

NPPES lists Oregon license number H8136, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.