Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ruben Ruiz Jr., MD
Psychiatry Physician in Sf, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235297318
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Registry record
Entity type Individual (Type 1)
Name Dr. Ruben Ruiz Jr.
Credential MD
Sex Male
Practice address 2460 Mission St, #220, Sf, CA, 94110
Phone (415) 550-0822
Enumeration date Dec 4, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8522816 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Ruben Ruiz?
The National Provider Identifier (NPI) for Ruben Ruiz is 1235297318, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ruben Ruiz practice?
The practice location on file with NPPES is in Sf, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.