NPPES file of Aug 9, 2026

Cynthia Ann Allen, R.D.H.

Dental Hygienist · Portland, OR

Cynthia Ann Allen, R.D.H. is a dental hygienist with a practice address in Portland, Oregon, and NPI 1356504849, issued on Jul 6, 2008. Check the license (Oregon H4312, 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
1356504849
Name
Cynthia Ann Allen
Credential
R.D.H.
Primary taxonomy
Dental Hygienist 124Q00000X
License number
H4312 OR
Self-reported in NPPES; status is on the state search
Practice location
4104 SE 82ND Ave, Portland, OR 97266
Phone
(503) 771-4324
Enumerated
Jul 6, 2008
Record last updated
Jul 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(503) 771-4458
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 4104 SE 82ND Ave

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

  1. Claudia Adler, MDStudent in an Organized Health Care Education/Training Program1053790295
  2. Marc Carey, MDFamily Medicine Physician1659311686
  3. Marietta Choe, MDFamily Medicine Physician1366472623
  4. Robert Gobbo, MDFamily Medicine Physician1831125566
  5. Melissa Hemphill, MDFamily Medicine Physician1801115100
  6. Sarah Insall, R.D.H.Dental Hygienist1386083707

Verify Cynthia Ann Allen 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 H4312
    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.

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 Cynthia Ann Allen, R.D.H.'s NPI number?

Cynthia Ann Allen, R.D.H.'s National Provider Identifier (NPI) is 1356504849, issued on Jul 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Ann Allen, R.D.H. located?

The NPPES record lists a practice address at 4104 SE 82ND Ave, Portland, OR, 97266. Phone: (503) 771-4324. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Ann Allen, R.D.H.'s license?

NPPES lists Oregon license number H4312, 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.

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.