NPPES file of Aug 9, 2026

John Ostaszewski

Adult Psychiatric/Mental Health Registered Nurse · Coralville, IA

John Ostaszewski is an adult psychiatric/mental health registered nurse with a practice address in Coralville, Iowa, and NPI 1154283646, issued on Dec 2, 2025. Check the license (Iowa 144081, as entered in NPPES) with the Iowa 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
1154283646
Name
John Ostaszewski
Primary taxonomy
Adult Psychiatric/Mental Health Registered Nurse 163WP0809X
License number
144081 IA
Self-reported in NPPES; status is on the state search
Practice location
2213 2ND St, Coralville, IA 52241
Phone
(319) 338-0581
Enumerated
Dec 2, 2025
Record last updated
Dec 2, 2025
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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8 nearest adult psychiatric/mental health registered nurse records → All 28 in Iowa → Look up another NPI →

Also registered at 2213 2ND St

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

  1. Lindee BerryAdult Psychiatric/Mental Health Registered Nurse1134081573
  2. Jacqueline CaffarelliClinical Social Worker1225844129
  3. Kelly Clougher, PHDCounseling Psychologist1013884501
  4. Anna Freeman, LMSWClinical Social Worker1740066810
  5. Patricia Gasmi, RNPsychiatric/Mental Health Registered Nurse1912857459
  6. Amanda Gernant, PSYDClinical Neuropsychologist1285515684

Verify John Ostaszewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 144081    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 Iowa license search

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John Ostaszewski among 28 adult psychiatric/mental health registered nurse records in Iowa

John Ostaszewski is one of 28 adult psychiatric/mental health registered nurse records with a practice address in Iowa. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 54% of them.

  • NPI issued2025 · 54% of these records are older, 14% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2025 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP0809X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Psychiatric/Mental Health Registered Nurse providers in Iowa

There are 28 adult psychiatric/mental health registered nurse records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 28 in Iowa → Every provider in Coralville → Adult Psychiatric/Mental Health Registered Nurse nationwide →

The 8 adult psychiatric/mental health registered nurse records with the nearest ZIP codes

  1. Lindee BerryCoralville, IA 522411134081573
  2. Julie PiegorsCoralville, IA 522411215899661
  3. Mariella Vandergaast, RNCoralville, IA 522411427910918
  4. Diana Bahr, RNIowa City, IA 522421760070569
  5. Kaitlyn BarkasziIowa City, IA 522461336007400
  6. Paul LeonardIowa City, IA 522461336002476
  7. Jennifer McVeyIowa City, IA 522461548122013
  8. Nicole Morris, BSNIowa City, IA 522461376404202

Common questions

What is John Ostaszewski's NPI number?

John Ostaszewski's National Provider Identifier (NPI) is 1154283646, issued on Dec 2, 2025. An NPI identifies a provider in billing; it is not a license.

Where is John Ostaszewski located?

The NPPES record lists a practice address at 2213 2ND St, Coralville, IA, 52241. Phone: (319) 338-0581. Providers update this record themselves, so call before visiting.

How can I verify John Ostaszewski's license?

NPPES lists Iowa license number 144081, as entered by the provider. Search the Iowa 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.