Janice Thomas, MD
Psychiatry Physician · Oxnard, CA
Janice Thomas, MD is a psychiatry physician with a practice address in Oxnard, California, and NPI 1720198575, issued on Aug 30, 2006. Check the license (California 72735, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janice Thomas
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 72735 CA
43750 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4333 E Vineyard Ave, Oxnard, CA 93036
- Phone
- (805) 981-5584
- Enumerated
- Aug 30, 2006
- Record last updated
- Jun 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 87633221 CO
72735 CA - Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 4333 E Vineyard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jesus CisnerosStudent in an Organized Health Care Education/Training Program1487174785
Verify Janice Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 72735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
47 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Janice Thomas among 8,673 psychiatry physician records in California
Janice Thomas, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Oxnard → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Shimul Barr, MDOxnard, CA 930361437318813
- G Blakely, M. D.Oxnard, CA 930361710291067
- Jerry Bruns, M.D.Oxnard, CA 930361851402184
- Adam Burdick, MDOxnard, CA 930361619122025
- Albert Chen, M.D.Oxnard, CA 930361316176555
- Karl Douyon, MDOxnard, CA 930361699807495
- Susan Guy, MDOxnard, CA 930361902821309
- Katherine Hulbert, MDOxnard, CA 930361225270903
Common questions
What is Janice Thomas, MD's NPI number?
Janice Thomas, MD's National Provider Identifier (NPI) is 1720198575, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janice Thomas, MD located?
The NPPES record lists a practice address at 4333 E Vineyard Ave, Oxnard, CA, 93036. Phone: (805) 981-5584. Providers update this record themselves, so call before visiting.
How can I verify Janice Thomas, MD's license?
NPPES lists California license number 72735, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Janice Thomas, MD prescribe under Medicare Part D?
In 2024, Janice Thomas, MD had 47 Medicare Part D claims for 17 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.