Ralph Joseph Tassinari, PHD
Psychologist · Mission Viejo, CA
Ralph Joseph Tassinari, PHD is a psychologist with a practice address in Mission Viejo, California, and NPI 1558432989, issued on Nov 9, 2006. Check the license (California PSY5461, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ralph Joseph Tassinari
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY5461 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27871 Medical Center Road, Mission Viejo, CA 92691
- Phone
- (949) 364-0944
- Enumerated
- Nov 9, 2006
- Record last updated
- Aug 9, 2026
- Fax
- (949) 364-1365
- Medicare enrollment
- Enrolled (PECOS I20050526000990); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 27871 Medical Center Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyllis Schaub, DDSGeneral Practice Dentistry1033323373
Verify Ralph Joseph Tassinari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY5461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ralph Joseph Tassinari among 7,304 psychologist records in California
Ralph Joseph Tassinari, PHD is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 82% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1974 · median 2005 among the 1,058 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in California
There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,304 in California → Every provider in Mission Viejo → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Carmen Anderson, PSYD, LPMission Viejo, CA 926911437465713
- Catherine Bailey, PH.D.Mission Viejo, CA 926911962605030
- Rosemarie Calleros, PSYCHOLOGISTMission Viejo, CA 926911407983919
- Stephanie Coons, PSYCHOLOGISTMission Viejo, CA 926911467516559
- Michael Elliott, PHDMission Viejo, CA 926911689016602
- Michael Gass, PH.D.Mission Viejo, CA 926911700902285
- Georgina Guy, PSY.DMission Viejo, CA 926911881617058
- Karen Handley, PHDMission Viejo, CA 926911881845097
Common questions
What is Ralph Joseph Tassinari, PHD's NPI number?
Ralph Joseph Tassinari, PHD's National Provider Identifier (NPI) is 1558432989, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Joseph Tassinari, PHD located?
The NPPES record lists a practice address at 27871 Medical Center Road, Mission Viejo, CA, 92691. Phone: (949) 364-0944. Providers update this record themselves, so call before visiting.
How can I verify Ralph Joseph Tassinari, PHD's license?
NPPES lists California license number PSY5461, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.