Stacy Hall Johnstone, PSYCHOLOGIST
Clinical Psychologist · Camarillo, CA
Stacy Hall Johnstone, PSYCHOLOGIST is a clinical psychologist with a practice address in Camarillo, California, and NPI 1114050507, issued on Mar 14, 2007. Check the license (California PSY20946, 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
- Stacy Hall Johnstone
- Credential
- PSYCHOLOGIST
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY20946 CA
Self-reported in NPPES; status is on the state search - Practice location
- 340 Rosewood Ave, Camarillo, CA 93010
- Phone
- (805) 482-5221
- Enumerated
- Mar 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 987-7994
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 340 Rosewood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Bennett, PH.D.Clinical Psychologist1285790360
- Daniel Flynn, M.D.Psychiatry Physician1043423940
Verify Stacy Hall Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY20946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stacy Hall Johnstone among 12,647 clinical psychologist records in California
Stacy Hall Johnstone, PSYCHOLOGIST 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 not. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 57% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 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).
31 clinical psychologist records list a practice address in Camarillo
They are 31 of the 2,656 NPPES records with a practice address in Camarillo, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Camarillo → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Charles Allen, PHDCamarillo, CA 930101568512127
- Lisa Barra, PH.D.Camarillo, CA 930101093194136
- Kimberly Bennett, PH.D.Camarillo, CA 930101487719258
- Tracy Bennett, PH.D.Camarillo, CA 930101285790360
- Karl Bergenstal, PH.D.Camarillo, CA 930101043224850
- Stephen Fitch, PHD.Camarillo, CA 930101104851963
- John Grahm, PH.D.Camarillo, CA 930101548347909
- Katherine Hamilton, PH.D.Camarillo, CA 930101003973512
Common questions
What is Stacy Hall Johnstone, PSYCHOLOGIST's NPI number?
Stacy Hall Johnstone, PSYCHOLOGIST's National Provider Identifier (NPI) is 1114050507, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stacy Hall Johnstone, PSYCHOLOGIST located?
The NPPES record lists a practice address at 340 Rosewood Ave, Camarillo, CA, 93010. Phone: (805) 482-5221. Providers update this record themselves, so call before visiting.
How can I verify Stacy Hall Johnstone, PSYCHOLOGIST's license?
NPPES lists California license number PSY20946, 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.