Mark Walker
About this NPIWhat this record shows.
NPI 1649154584 is registered to Mark Walker, a Mental Health Counselor practising at 11166 Fairfax Blvd Ste 201 in Fairfax, Virginia. Mental Health Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Walker has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 Mark Walker accepts. To confirm in-network status with your specific health plan, contact Mark Walker directly at (703) 988-4236.
Frequently asked
Yes. NPI 1649154584 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 (703) 988-4236.
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. Mark Walker is a Type-1 individual NPI.