Dr. Grahamm Wiest PSY.D.
About this NPIWhat this record shows.
NPI 1962015628 is registered to Dr. Grahamm Wiest PSY.D., a Clinical Neuropsychologist practising at 26800 Crown Valley Pkwy Ste 320 in Mission Viejo, California. Clinical Neuropsychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Grahamm Wiest PSY.D. has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250729004785NeuropsychiatryCA
Source: CMS PECOS public enrollment file.
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. Grahamm Wiest PSY.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Grahamm Wiest PSY.D. directly at (949) 365-2468.
Frequently asked
Yes. NPI 1962015628 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Neuropsychologist 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 (949) 365-2468.
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. Grahamm Wiest PSY.D. is a Type-1 individual NPI.