NPPES file of Aug 9, 2026

Patrick Daniel Chapman, N.D.

Naturopath · Portland, OR

Patrick Daniel Chapman, N.D. is a naturopath with a practice address in Portland, Oregon, and NPI 1417983255, issued on Jun 23, 2006. Check the license (Oregon 1345, 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
1417983255
Name
Patrick Daniel Chapman
Credential
N.D.
Primary taxonomy
Naturopath 175F00000X
License number
1345 OR
Self-reported in NPPES; status is on the state search
Practice location
2002 SE 50TH Ave, Portland, OR 97215
Phone
(503) 640-4012
Enumerated
Jun 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 239-9192
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 2002 SE 50TH Ave

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

  1. Russell Marz, ND, LACNaturopath1467639500
  2. Padeen Quinn, N.D.Naturopath1295941110

Verify Patrick Daniel Chapman 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 1345
    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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39% fewer Medicare Part D claims than the average naturopath in 2024

66 Medicare Part D claims for 11 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Patrick Chapman66
  2. Specialty average109

Most prescribed

  1. Levothyroxine Sodium20 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.

Patrick Daniel Chapman among 1,181 naturopath records in Oregon

Patrick Daniel Chapman, 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. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 89% 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 updated2007 · 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.

The 8 naturopath records with the nearest ZIP codes

  1. Lindsay Baum, N.D.Portland, OR 972151598090078
  2. Jennifer Brennan-Kos, NDPortland, OR 972151497830244
  3. Petra Caruso, N.D.Portland, OR 972151366599961
  4. Jennifer Gibbons, NDPortland, OR 972151760463699
  5. George Gonzales, NDPortland, OR 972151902115215
  6. Russell Marz, ND, LACPortland, OR 972151467639500
  7. Kelly Owens, N. D.Portland, OR 972151952457533
  8. Padeen Quinn, N.D.Portland, OR 972151295941110

Common questions

What is Patrick Daniel Chapman, N.D.'s NPI number?

Patrick Daniel Chapman, N.D.'s National Provider Identifier (NPI) is 1417983255, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Daniel Chapman, N.D. located?

The NPPES record lists a practice address at 2002 SE 50TH Ave, Portland, OR, 97215. Phone: (503) 640-4012. Providers update this record themselves, so call before visiting.

How can I verify Patrick Daniel Chapman, N.D.'s license?

NPPES lists Oregon license number 1345, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Patrick Daniel Chapman, N.D. prescribe under Medicare Part D?

In 2024, Patrick Daniel Chapman, N.D. had 66 Medicare Part D claims for 11 beneficiaries; 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.