David Peter Westwood, PSYCHOLOGICAL ASSIST
Clinical Psychologist · Monte Rio, CA
David Peter Westwood, PSYCHOLOGICAL ASSIST is a clinical psychologist with a practice address in Monte Rio, California, and NPI 1164787354, issued on Jul 12, 2012. Check the license (California PSB94020864, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Peter Westwood
- Credential
- PSYCHOLOGICAL ASSIST
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSB94020864 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19375 Highway 116, Monte Rio, CA 95462
- Phone
- (707) 865-1200
- Enumerated
- Jul 12, 2012
- Record last updated
- Jun 25, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221118001017); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 19375 Highway 116
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Judith Day, M.A., MFTMarriage & Family Therapist1649316274
- Janet De WaldCounselor1841414133
- Lynn Gordon, PH.D.Psychologist1841413713
- Denise HornerMental Health Counselor1457571978
- Eleanor Miller Hall, AMFT, APCCMental Health Counselor1154999605
Verify David Peter Westwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSB94020864Check 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
- Redwood Psychology Center IncMonte Rio, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Peter Westwood among 12,647 clinical psychologist records in California
David Peter Westwood, PSYCHOLOGICAL ASSIST is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2011 · median 2006 among the 2,424 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 clinical psychologist records list a practice address in Monte Rio
They are 3 of the 25 NPPES records with a practice address in Monte Rio, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Monte Rio → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Rosemary Freeman, MAMonte Rio, CA 954621750916789
- Mazyar Karandish, PSYDMonte Rio, CA 954621699377606
- Shirley Blair, PSY.D.Little River, CA 954561487862041
- Lourens Crous, PSY.D.Point Arena, CA 954681538300231
- Jennifer Tari, PSY.D.Laytonville, CA 954541386994754
- Katherine Andre, PH.D.Lakeport, CA 954531255412870
- Zoe Bradley-Benoit, PSY.D.Sebastopol, CA 954721366512360
- Kenneth Crittenden, PH.D.Sebastopol, CA 954721023179322
Common questions
What is David Peter Westwood, PSYCHOLOGICAL ASSIST's NPI number?
David Peter Westwood, PSYCHOLOGICAL ASSIST's National Provider Identifier (NPI) is 1164787354, issued on Jul 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Peter Westwood, PSYCHOLOGICAL ASSIST located?
The NPPES record lists a practice address at 19375 Highway 116, Monte Rio, CA, 95462. Phone: (707) 865-1200. Providers update this record themselves, so call before visiting.
How can I verify David Peter Westwood, PSYCHOLOGICAL ASSIST's license?
NPPES lists California license number PSB94020864, 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.