Dr. Nicholas O'riordan Ph. D.
About this NPIWhat this record shows.
NPI 1497859078 is registered to Dr. Nicholas O'riordan Ph. D., a Psychologist practising at 1705 Sierra Highlands Ct in Plainfield, Illinois. Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Nicholas O'riordan Ph. D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20050622001317Clinical PsychologistIL
- I20170329000328Clinical PsychologistIN
Source: CMS PECOS public enrollment file.
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 Dr. Nicholas O'riordan Ph. D. accepts. To confirm in-network status with your specific health plan, contact Dr. Nicholas O'riordan Ph. D. directly at (815) 254-4555.
Frequently asked
Yes. NPI 1497859078 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychologist 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) 254-4555.
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. Dr. Nicholas O'riordan Ph. D. is a Type-1 individual NPI.