Marc Gianzero M.D.
About this NPIWhat this record shows.
NPI 1417930975 is registered to Marc Gianzero M.D., a Anesthesiology practising at 1640 Newport Blvd Ste 100 in Costa Mesa, California. Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management. Marc Gianzero M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
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 Marc Gianzero M.D. accepts. To confirm in-network status with your specific health plan, contact Marc Gianzero M.D. directly at (949) 478-8000.
Frequently asked
Yes. NPI 1417930975 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management.
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 (949) 478-8000.
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. Marc Gianzero M.D. is a Type-1 individual NPI.