NPPES file of Aug 9, 2026

Mark Ronald Johansen, D.C.

Chiropractor · Portland, OR

Mark Ronald Johansen, D.C. is a chiropractor with a practice address in Portland, Oregon, and NPI 1255680831, issued on Aug 29, 2012. Check the license (Oregon 5072, 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
1255680831
Name
Mark Ronald Johansen
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
5072 OR
Self-reported in NPPES; status is on the state search
Practice location
12762 SE Stark St, Portland, OR 97233
Phone
(503) 255-7746
Enumerated
Aug 29, 2012
Record last updated
Sep 4, 2012 (not updated in 14 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 12762 SE Stark St

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

  1. James Andrews, D.C.Chiropractor1043301088
  2. Ronald Johansen, D.C.Orthopedic Chiropractor1043302409

Verify Mark Ronald Johansen 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 5072
    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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582 chiropractor records list a practice address in Portland

They are 582 of the 42,088 NPPES records with a practice address in Portland, and 1,881 chiropractor records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other chiropractor records in Oregon

  1. Anna Abbott, DCPortland, OR1235799818
  2. Scott Abrahamson, D.C.Lake Oswego, OR1437363322
  3. Ruben Acevedo, D.C.Roseburg, OR1700445210
  4. Kent Achtyes, D.C.Portland, OR1659590388
  5. Morgan AckermannMilwaukie, OR1831872449
  6. Cory Adams, DCPortland, OR1386507945
  7. Mark Adams, D.C.Ashland, OR1225100571
  8. Perry Adams, D.C.Waldport, OR1134386766
  9. Susan Addison, DCPortland, OR1225223597
  10. Charles Affatato, D.C.Salem, OR1740303130

Common questions

What is Mark Ronald Johansen, D.C.'s NPI number?

Mark Ronald Johansen, D.C.'s National Provider Identifier (NPI) is 1255680831, issued on Aug 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mark Ronald Johansen, D.C. located?

The NPPES record lists a practice address at 12762 SE Stark St, Portland, OR, 97233. Phone: (503) 255-7746. Providers update this record themselves, so call before visiting.

How can I verify Mark Ronald Johansen, D.C.'s license?

NPPES lists Oregon license number 5072, 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.