John Ostaszewski
NPI 1154283646 · Adult Psychiatric/Mental Health Registered Nurse · Coralville, IA
John Ostaszewski is a Adult Psychiatric/Mental Health Registered Nurse provider in Coralville, IA (NPI 1154283646).
Provider details
- NPI number
- 1154283646
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 144081 (IA)
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
Under 1 yr in 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
- 2025-12-02
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is John Ostaszewski's NPI number?
- John Ostaszewski's National Provider Identifier (NPI) is 1154283646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ostaszewski's specialty?
- John Ostaszewski is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is John Ostaszewski located?
- John Ostaszewski's practice location on file with NPPES is 2213 2nd St, Coralville, IA 52241-1205.
- What is John Ostaszewski's phone number?
- The practice phone number listed in the NPPES registry for John Ostaszewski is (319) 338-0581.
- Is John Ostaszewski's NPI active?
- Yes — John Ostaszewski's NPI (1154283646) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.