Marek Kowalski
About this NPIWhat this record shows.
NPI 1720665409 is registered to Marek Kowalski, a Hospitalist practising at 1250 16th St # C2304 in Santa Monica, California. Hospitalist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marek Kowalski has been enumerated in the National Provider Identifier (NPI) registry since 2021.
Your brand here.
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
- I20240621003570HospitalistCA
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 Marek Kowalski accepts. To confirm in-network status with your specific health plan, contact Marek Kowalski directly at (310) 319-4698.
Frequently asked
Yes. NPI 1720665409 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospitalist 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 (310) 319-4698.
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. Marek Kowalski is a Type-1 individual NPI.