Mrs. Diana Mahannah-John
About this NPIWhat this record shows.
NPI 1164825261 is registered to Mrs. Diana Mahannah-John, a Methadone Clinic practising at 7428 Park Place Blvd in Houston, Texas. Methadone Clinic is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Diana Mahannah-John has been enumerated in the National Provider Identifier (NPI) registry since 2014.
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 Mrs. Diana Mahannah-John accepts. To confirm in-network status with your specific health plan, contact Mrs. Diana Mahannah-John directly at (713) 643-5858.
Frequently asked
Yes. NPI 1164825261 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Methadone Clinic 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 (713) 643-5858.
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. Mrs. Diana Mahannah-John is a Type-1 individual NPI.