Dr. Ronald Gellis PH.D.
About this NPIWhat this record shows.
NPI 1891038352 is registered to Dr. Ronald Gellis PH.D., a Clinical Neuropsychologist practising at 25 Floramar in Rancho Santa Margarita, California. Clinical Neuropsychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Ronald Gellis PH.D. has been enumerated in the National Provider Identifier (NPI) registry since 2013.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20130618000600Clinical PsychologistCA
- I20230518000007Clinical PsychologistTX
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. Ronald Gellis PH.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Ronald Gellis PH.D. directly at (949) 533-6075.
Frequently asked
Yes. NPI 1891038352 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) 533-6075.
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. Ronald Gellis PH.D. is a Type-1 individual NPI.