Callisyn Zielenski
About this NPIWhat this record shows.
NPI 1861945461 is registered to Callisyn Zielenski, a Social Worker practising at 3450 3rd St Ste 1c in San Francisco, California. Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Callisyn Zielenski has been enumerated in the National Provider Identifier (NPI) registry since 2016.
Your brand here.
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 Callisyn Zielenski accepts. To confirm in-network status with your specific health plan, contact Callisyn Zielenski directly at (154) 437-3990.
Frequently asked
Yes. NPI 1861945461 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Social Worker 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 (154) 437-3990.
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. Callisyn Zielenski is a Type-1 individual NPI.