Marissa Opilas D.O.
About this NPIWhat this record shows.
NPI 1457701302 is registered to Marissa Opilas D.O., a Family Medicine practising at 350 John Muir Pkwy Ste 105 in Brentwood, California. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Marissa Opilas D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2016.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 20A15915CA· Issued by STATE MEDICAL LICENSE
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20191028003293Family PracticeCA
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 Marissa Opilas D.O. accepts. To confirm in-network status with your specific health plan, contact Marissa Opilas D.O. directly at (925) 776-7725.
Frequently asked
Yes. NPI 1457701302 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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 (925) 776-7725.
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. Marissa Opilas D.O. is a Type-1 individual NPI.