NPPES file of Aug 9, 2026

Dave Allderdice, ND

Naturopath · Lake Oswego, OR

Dave Allderdice, ND is a naturopath with a practice address in Lake Oswego, Oregon, and NPI 1043594518, issued on Oct 3, 2011. Check the license (Oregon 1828, 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
1043594518
Name
Dave Allderdice
Credential
ND
Primary taxonomy
Naturopath 175F00000X
License number
1828 OR
Self-reported in NPPES; status is on the state search
Practice location
320 Oswego Pointe Dr, Lake Oswego, OR 97034
Phone
(503) 636-2734
Enumerated
Oct 3, 2011
Record last updated
Oct 3, 2011 (not updated in 15 years: call before relying on the address or phone)
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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Verify Dave Allderdice 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 1828
    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

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82% fewer Medicare Part D claims than the average naturopath in 2024

20 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dave Allderdice20
  2. Specialty average109

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.

Dave Allderdice among 1,181 naturopath records in Oregon

Dave Allderdice, ND is one of 1,181 naturopath records with a practice address in Oregon. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 43% of them.

  • NPI issued2011 · 43% of these records are older, 53% newer
  • In a Medicare fileYes · 37% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2011 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 naturopath records list a practice address in Lake Oswego

They are 33 of the 1,377 NPPES records with a practice address in Lake Oswego, and 1,181 naturopath records in Oregon.

The 8 naturopath records with the nearest ZIP codes

  1. Krista Anderson-Ross, N.D.Lake Oswego, OR 970341598089435
  2. Mackenzie Clark, NDLake Oswego, OR 970341003531666
  3. Karma Denmark, NDLake Oswego, OR 970341437204849
  4. Vira Kuznyuk, NDLake Oswego, OR 970341508605999
  5. Justin Langlais, N.D.Lake Oswego, OR 970341508317512
  6. Ghazaleh Louie, NDLake Oswego, OR 970341952245128
  7. Nancy Macfarlane, N.D.Lake Oswego, OR 970341972800621
  8. Gregory McDonald, ND, LACLake Oswego, OR 970341578784278

Common questions

What is Dave Allderdice, ND's NPI number?

Dave Allderdice, ND's National Provider Identifier (NPI) is 1043594518, issued on Oct 3, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Dave Allderdice, ND located?

The NPPES record lists a practice address at 320 Oswego Pointe Dr, Lake Oswego, OR, 97034. Phone: (503) 636-2734. Providers update this record themselves, so call before visiting.

How can I verify Dave Allderdice, ND's license?

NPPES lists Oregon license number 1828, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Dave Allderdice, ND prescribe under Medicare Part D?

In 2024, Dave Allderdice, ND had 20 Medicare Part D claims; the average among naturopath prescribers was 109. 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.