Dr. William Cook M.D.
About this NPIWhat this record shows.
NPI 1356440721 is registered to Dr. William Cook M.D., a Geriatric Psychiatry Physician practising at 4500 I 55 N, Ste 256 in Jackson, Mississippi. Geriatric Psychiatry Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Cook 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. William Cook M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Cook M.D. directly at (601) 366-3660.
Frequently asked
Yes. NPI 1356440721 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Psychiatry 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 (601) 366-3660.
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. William Cook M.D. is a Type-1 individual NPI.