Nicholas Muff MD
About this NPIWhat this record shows.
NPI 1740372861 is registered to Nicholas Muff MD, a Specialist practising at 260 E Ontario Ave Ste 101 in Corona, California. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Nicholas Muff MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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.
Other
- 05660WA· Issued by REGENCE BS
- 13895001WA· Issued by GROUP HEALTH
Medicaid
- 1160381WA
Source: NPPES public registry.
Medicare enrollment
This provider holds 3 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
- I20050203000558Radiation OncologyWA
- I20180215001324Radiation OncologyCA
- I20240115000103Radiation OncologyNV
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 Nicholas Muff MD accepts. To confirm in-network status with your specific health plan, contact Nicholas Muff MD directly at (949) 490-4820.
Frequently asked
Yes. NPI 1740372861 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (949) 490-4820.
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. Nicholas Muff MD is a Type-1 individual NPI.