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Mark Johansen, D.C.
NPI 1255680831 · Chiropractor · Portland, OR
Mark Johansen, D.C. is a Chiropractor provider in Portland, OR (NPI 1255680831).
Provider details
- NPI number
- 1255680831
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5072 (OR)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
12762 Se Stark St
Plaza 125 Bldg. D
Portland, OR 97233-1539
Phone: (503) 255-7746
Street-level locationGet directions
Mailing address
14661 Se 172nd Ave
Clackamas, OR 97015-7771
Registry dates
- Enumerated
- 2012-08-29
- Last updated
- 2012-09-04
Frequently asked questions
- What is Mark Johansen's NPI number?
- Mark Johansen's National Provider Identifier (NPI) is 1255680831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Johansen's specialty?
- Mark Johansen is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Mark Johansen located?
- Mark Johansen's practice location on file with NPPES is 12762 Se Stark St, Portland, OR 97233-1539.
- What is Mark Johansen's phone number?
- The practice phone number listed in the NPPES registry for Mark Johansen is (503) 255-7746.
- Is Mark Johansen's NPI active?
- Yes — Mark Johansen's NPI (1255680831) is active in the NPPES registry as of the last update on 2012-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.