Petia Sierschynski
About this NPIWhat this record shows.
NPI 1164255170 is registered to Petia Sierschynski, a Mental Health Counselor practising at 9116 Gravelly Lake Dr Sw Ste 107 in Lakewood, Washington. Mental Health Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Petia Sierschynski has been enumerated in the National Provider Identifier (NPI) registry since 2024.
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 Petia Sierschynski accepts. To confirm in-network status with your specific health plan, contact Petia Sierschynski directly at (253) 256-5415.
Frequently asked
Yes. NPI 1164255170 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Mental Health Counselor 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 (253) 256-5415.
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. Petia Sierschynski is a Type-1 individual NPI.