Nathan Semm
NPI 1881880375 · Mental Health Counselor · Portland, OR
Nathan Semm is a Mental Health Counselor provider in Portland, OR (NPI 1881880375).
Provider details
- NPI number
- 1881880375
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
- Adult Companion372600000X
Nursing Service Related Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2007-09-19
- Last updated
- 2017-07-24
Frequently asked questions
- What is Nathan Semm's NPI number?
- Nathan Semm's National Provider Identifier (NPI) is 1881880375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Semm's specialty?
- Nathan Semm is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Nathan Semm located?
- Nathan Semm's practice location on file with NPPES is 1124 Ne 21st Ave, Portland, OR 97232-2114.
- What is Nathan Semm's phone number?
- The practice phone number listed in the NPPES registry for Nathan Semm is (503) 963-7765.
- Is Nathan Semm's NPI active?
- Yes — Nathan Semm's NPI (1881880375) is active in the NPPES registry as of the last update on 2017-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.