John Nishan
NPI 1285464727 · Psychiatric/Mental Health Registered Nurse · Oregon City, OR
John Nishan is a Psychiatric/Mental Health Registered Nurse provider in Oregon City, OR (NPI 1285464727).
Provider details
- NPI number
- 1285464727
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 201143290RN (OR)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
Mailing address
Registry dates
- Enumerated
- 2024-08-07
- Last updated
- 2024-08-07
- Certified
- 2024-08-07
Frequently asked questions
- What is John Nishan's NPI number?
- John Nishan's National Provider Identifier (NPI) is 1285464727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nishan's specialty?
- John Nishan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is John Nishan located?
- John Nishan's practice location on file with NPPES is 1415 16th St, Oregon City, OR 97045-1707.
- What is John Nishan's phone number?
- The practice phone number listed in the NPPES registry for John Nishan is (503) 705-7191.
- Is John Nishan's NPI active?
- Yes — John Nishan's NPI (1285464727) is active in the NPPES registry as of the last update on 2024-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.