Dr. Agnieszka Janisiewicz M.D.
Also known as
- Professional nameJanisiewicz, Agnieszka Marzena
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1467615104 is registered to Dr. Agnieszka Janisiewicz M.D., a Otolaryngology Physician practising at 2500 Merced St in San Leandro, California. Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Agnieszka Janisiewicz M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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
- I20131220000554OtolaryngologyCA
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 Dr. Agnieszka Janisiewicz M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Agnieszka Janisiewicz M.D. directly at (510) 454-1000.
Frequently asked
Yes. NPI 1467615104 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Otolaryngology Physician 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 (510) 454-1000.
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. Dr. Agnieszka Janisiewicz M.D. is a Type-1 individual NPI.