Karl Marzec M.D.
About this NPIWhat this record shows.
NPI 1447520473 is registered to Karl Marzec M.D., a Emergency Medicine practising at 7901 Frost St in San Diego, California. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Karl Marzec M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
Your brand here.
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
- I20140625002708Emergency MedicineCA
- I20241028001931General PracticeAZ
- I20260122001872Emergency MedicineTX
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 Karl Marzec M.D. accepts. To confirm in-network status with your specific health plan, contact Karl Marzec M.D. directly at (858) 939-3400.
Frequently asked
Yes. NPI 1447520473 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine 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 (858) 939-3400.
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. Karl Marzec M.D. is a Type-1 individual NPI.