Brett Jacob Ellison, DO
Psychiatry Physician · Riverside, CA
Brett Jacob Ellison, DO is a psychiatry physician with a practice address in Riverside, California, and NPI 1790367159, issued on Apr 26, 2021. Check the license (California 20A20588, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brett Jacob Ellison
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A20588 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 University Ave, Riverside, CA 92521
- Phone
- (951) 827-9197
- Enumerated
- Apr 26, 2021
- Record last updated
- Jul 1, 2026
- Fax
- (951) 827-7669
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 900 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lana Al Doori, MDStudent in an Organized Health Care Education/Training Program1104768605
- Judy Alrukby, MDStudent in an Organized Health Care Education/Training Program1194450932
- Arshia ArjomandiStudent in an Organized Health Care Education/Training Program1912849100
Verify Brett Jacob Ellison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
110 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Invega Sustenna17 claims
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.
Brett Jacob Ellison among 8,673 psychiatry physician records in California
Brett Jacob Ellison, DO 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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).
134 psychiatry physician records list a practice address in Riverside
They are 134 of the 13,893 NPPES records with a practice address in Riverside, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Riverside → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Khwaja AhmadRiverside, CA 925211588416036
- Courtney Dinicola, MDRiverside, CA 925211265161509
- Aaron Fichtner, MDRiverside, CA 925211528811056
- Ji Sung JinRiverside, CA 925211285254441
- James Lee, MDRiverside, CA 925211558090134
- Andrew Lee, MDRiverside, CA 925211932895398
- Matthew Nedjat-HaiemRiverside, CA 925211124732193
- Cindy Nguyen, MDRiverside, CA 925211225733272
Common questions
What is Brett Jacob Ellison, DO's NPI number?
Brett Jacob Ellison, DO's National Provider Identifier (NPI) is 1790367159, issued on Apr 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Brett Jacob Ellison, DO located?
The NPPES record lists a practice address at 900 University Ave, Riverside, CA, 92521. Phone: (951) 827-9197. Providers update this record themselves, so call before visiting.
How can I verify Brett Jacob Ellison, DO's license?
NPPES lists California license number 20A20588, 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 Brett Jacob Ellison, DO prescribe under Medicare Part D?
In 2024, Brett Jacob Ellison, DO had 110 Medicare Part D claims; 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.