Dr. Karen Blau M.D.
About this NPIWhat this record shows.
NPI 1023236569 is registered to Dr. Karen Blau M.D., a Geriatric Medicine (Internal Medicine) Physician practising at 68 Hauppauge Rd in Commack, New York. Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Karen Blau M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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. Karen Blau M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Karen Blau M.D. directly at (631) 715-2000.
Frequently asked
Yes. NPI 1023236569 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Medicine (Internal Medicine) 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 (631) 715-2000.
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. Karen Blau M.D. is a Type-1 individual NPI.