Dr. Mark Sapirstein M.D.
About this NPIWhat this record shows.
NPI 1659485167 is registered to Dr. Mark Sapirstein M.D., a Specialist practising at 1106 Douglas St, Suite D in Longview, Washington. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mark Sapirstein M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Dr. Mark Sapirstein M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Sapirstein M.D. directly at (360) 423-0088.
Frequently asked
Yes. NPI 1659485167 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (360) 423-0088.
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. Mark Sapirstein M.D. is a Type-1 individual NPI.