Mariana Ostapiuk Agnp-C
About this NPIWhat this record shows.
NPI 1265318927 is registered to Mariana Ostapiuk Agnp-C, a Adult Health Nurse Practitioner practising at 1208 E Algonquin Rd in Algonquin, Illinois. Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mariana Ostapiuk Agnp-C has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mariana Ostapiuk Agnp-C accepts. To confirm in-network status with your specific health plan, contact Mariana Ostapiuk Agnp-C directly at (815) 440-7454.
Frequently asked
Yes. NPI 1265318927 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (815) 440-7454.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mariana Ostapiuk Agnp-C is a Type-1 individual NPI.