Norbert Ralph, PHD
Clinical Neuropsychologist · San Leandro, CA
Norbert Ralph, PHD is a clinical neuropsychologist with a practice address in San Leandro, California, and NPI 1083672877, issued on May 2, 2006. Check the license (California PSY5907, 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
- Norbert Ralph
- Credential
- PHD
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- PSY5907 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1057 Macarthur Blvd Ste 212, San Leandro, CA 94577
- Phone
- (209) 575-4575
- Enumerated
- May 2, 2006
- Record last updated
- Jun 30, 2026
- Fax
- (209) 575-4598
- Medicaid ID
- PSY059070 CA
- Medicare enrollment
- Enrolled (PECOS I20090327000175); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →
Verify Norbert Ralph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY5907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Norbert Ralph among 743 clinical neuropsychologist records in California
Norbert Ralph, PHD is one of 743 clinical neuropsychologist records with a practice address in California. 23% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 76% newer
- In a Medicare fileNo · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated1976 · median 2011 among the 237 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in California
There are 743 clinical neuropsychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 743 in California → Every provider in San Leandro → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Lily Lau, PHDSan Ramon, CA 945821255857546
- Iris McNabola, PH.D.San Ramon, CA 945831083874564
- Walter Christian, PHDUnion City, CA 945871780721928
- Sharon Berry, PSY.D.Pleasanton, CA 945881205136272
- Susan Guzzo, PSY.D.Pleasanton, CA 945881669405205
- Brent Hughey, PHDPleasanton, CA 945881477607968
- Jed Sussman, PHDPleasanton, CA 945661912965476
- Shannon Grethel, PSY.D.Vallejo, CA 945891629256607
Common questions
What is Norbert Ralph, PHD's NPI number?
Norbert Ralph, PHD's National Provider Identifier (NPI) is 1083672877, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Norbert Ralph, PHD located?
The NPPES record lists a practice address at 1057 Macarthur Blvd Ste 212, San Leandro, CA, 94577. Phone: (209) 575-4575. Providers update this record themselves, so call before visiting.
How can I verify Norbert Ralph, PHD's license?
NPPES lists California license number PSY5907, 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.