Francis Muller, Jr. M.D.
About this NPIWhat this record shows.
NPI 1427078591 is registered to Francis Muller, Jr. M.D., a Psychiatry practising at 525 Oregon St in Vallejo, California. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Francis Muller, Jr. M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 Francis Muller, Jr. M.D. accepts. To confirm in-network status with your specific health plan, contact Francis Muller, Jr. M.D. directly at (707) 648-2200.
Frequently asked
Yes. NPI 1427078591 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 (707) 648-2200.
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. Francis Muller, Jr. M.D. is a Type-1 individual NPI.