Dr. Derrick Hamaoka M.D.
About this NPIWhat this record shows.
NPI 1487711230 is registered to Dr. Derrick Hamaoka M.D., a Psychiatry practising at 3551 Roger Brooke Dr in Ft. Sam Houston, Texas. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Dr. Derrick Hamaoka M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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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. Derrick Hamaoka M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Derrick Hamaoka M.D. directly at (210) 539-9582.
Frequently asked
Yes. NPI 1487711230 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 (210) 539-9582.
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. Derrick Hamaoka M.D. is a Type-1 individual NPI.