Ralph Armstrong M.D.
About this NPIWhat this record shows.
NPI 1518016443 is registered to Ralph Armstrong M.D., a Psychiatry practising at 3291 Loma Vista Rd in Ventura, California. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Ralph Armstrong M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Ralph Armstrong M.D. accepts. To confirm in-network status with your specific health plan, contact Ralph Armstrong M.D. directly at (805) 652-6556.
Frequently asked
Yes. NPI 1518016443 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
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 (805) 652-6556.
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. Ralph Armstrong M.D. is a Type-1 individual NPI.