NPPES file of Aug 9, 2026

Chikako Nishiwaki Harper, N.D.

Naturopath · Portland, OR

Chikako Nishiwaki Harper, N.D. is a naturopath with a practice address in Portland, Oregon, and NPI 1255577763, issued on Jan 5, 2009. Check the license (Oregon 1655, 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
1255577763
Name
Chikako Nishiwaki Harper
Credential
N.D.
Primary taxonomy
Naturopath 175F00000X
License number
1655 OR
Self-reported in NPPES; status is on the state search
Practice location
2707 NE 33RD Ave, Portland, OR 97212
Phone
(503) 477-0472
Enumerated
Jan 5, 2009
Record last updated
Jan 5, 2009 (not updated in 17 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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Also registered at 2707 NE 33RD Ave

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

  1. Joseph Safirstein, DDSOrthodontics and Dentofacial Orthopedics Dentistry1285888172

Verify Chikako Nishiwaki Harper 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 1655
    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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Chikako Nishiwaki Harper among 1,181 naturopath records in Oregon

Chikako Nishiwaki Harper, N.D. 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 not. Its NPI, issued in 2009, is newer than 33% of them.

  • NPI issued2009 · 33% of these records are older, 62% newer
  • In a Medicare fileNo · 37% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2009 · 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).

687 naturopath records list a practice address in Portland

They are 687 of the 42,088 NPPES records with a practice address in Portland, and 1,181 naturopath records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 naturopath records with the nearest ZIP codes

  1. Colleen Amann-Shah, NDPotland, OR 972121548527724
  2. Michelle Cameron, N.D.Portland, OR 972121821426222
  3. Tracy Edinger, ND, MSPortland, OR 972121609998285
  4. Eliot Edwards, N.D.Portland, OR 972121952507675
  5. Kendall Hassemer, N.D.Portland, OR 972121629395215
  6. Anne Hill, N.D.Portland, OR 972121073533659
  7. Ananda Kramer, N.D.Portland, OR 972121295837409
  8. Trisha Lee, NDPortland, OR 972121114397213

Common questions

What is Chikako Nishiwaki Harper, N.D.'s NPI number?

Chikako Nishiwaki Harper, N.D.'s National Provider Identifier (NPI) is 1255577763, issued on Jan 5, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Chikako Nishiwaki Harper, N.D. located?

The NPPES record lists a practice address at 2707 NE 33RD Ave, Portland, OR, 97212. Phone: (503) 477-0472. Providers update this record themselves, so call before visiting.

How can I verify Chikako Nishiwaki Harper, N.D.'s license?

NPPES lists Oregon license number 1655, 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.