Dr. Harold Marks MD
About this NPIWhat this record shows.
NPI 1568422822 is registered to Dr. Harold Marks MD, a Surgery practising at 18350 Roscoe Blvd, Suite 505 in Northridge, California. Surgery is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Harold Marks MD 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. Harold Marks MD accepts. To confirm in-network status with your specific health plan, contact Dr. Harold Marks MD directly at (818) 886-3400.
Frequently asked
Yes. NPI 1568422822 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgery 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 (818) 886-3400.
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. Harold Marks MD is a Type-1 individual NPI.