Mark Oliveras
About this NPIWhat this record shows.
NPI 1851221527 is registered to Mark Oliveras, a Marriage & Family Therapist practising at 2810 Frank Scott Pkwy W Ste 812 in Belleville, Illinois. Marriage & Family Therapist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Oliveras has been enumerated in the National Provider Identifier (NPI) registry since 2026.
Your brand here.
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 Mark Oliveras accepts. To confirm in-network status with your specific health plan, contact Mark Oliveras directly at (888) 277-4028.
Frequently asked
Yes. NPI 1851221527 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Marriage & Family Therapist 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 (888) 277-4028.
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. Mark Oliveras is a Type-1 individual NPI.