Janice R. Timm, PH.D.
Clinical Neuropsychologist · Napa, CA
Janice R. Timm, PH.D. is a clinical neuropsychologist with a practice address in Napa, California, and NPI 1225062771, issued on Jul 10, 2006. Check the license (California 19980, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janice R. Timm
- Credential
- PH.D.
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- 19980 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1443 Main St, Napa, CA 94559
- Phone
- (707) 225-5462
- Enumerated
- Jul 10, 2006
- Record last updated
- May 1, 2023
- Fax
- (707) 226-7024
- Medicare enrollment
- Enrolled (PECOS I20050322000825); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →
Also registered at 1443 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Brezel, M.F.T.Marriage & Family Therapist1013135789
Verify Janice R. Timm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 19980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janice R. Timm among 743 clinical neuropsychologist records in California
Janice R. Timm, PH.D. 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. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 76% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2002 · median 2011 among the 237 with a school on file
- Record last updated2023 · 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.
All 743 in California → Every provider in Napa → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Rebecca Thompson, PSY.D.Napa, CA 945591508841925
- Richard Delmonico, PHDNapa, CA 945581740337914
- Deborah Cahn-Weiner, PH.D.Orinda, CA 945631376653659
- Dale Watson, PHDPinole, CA 945641962567941
- Kari Haws, PHDMartinez, CA 945531740833292
- Patricia Johnson, PHDMartinez, CA 945531760036388
- Leslie Kandel, PSYDMartinez, CA 945531639466691
- Jeffrey Kixmiller, PH.D.Martinez, CA 945531871576322
Common questions
What is Janice R. Timm, PH.D.'s NPI number?
Janice R. Timm, PH.D.'s National Provider Identifier (NPI) is 1225062771, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janice R. Timm, PH.D. located?
The NPPES record lists a practice address at 1443 Main St, Napa, CA, 94559. Phone: (707) 225-5462. Providers update this record themselves, so call before visiting.
How can I verify Janice R. Timm, PH.D.'s license?
NPPES lists California license number 19980, 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. Medicare files from data.cms.gov. 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.