Graham James Ellis, DO
Psychiatry Physician · Ventura, CA
Graham James Ellis, DO is a psychiatry physician with a practice address in Ventura, California, and NPI 1215556667, issued on Apr 15, 2020. Check the license (California 20A24149, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Graham James Ellis
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A24149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Hillmont Ave, Ventura, CA 93003
- Phone
- (310) 924-1413
- Enumerated
- Apr 15, 2020
- Record last updated
- Oct 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20250801002181); may accept Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2020
- Entity
- Type 1 · individual
Also registered at 300 Hillmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Adelman, CRTTCertified Respiratory Therapist1114732666
- Henrique Aihara, TECHElectroneurodiagnostic Specialist/Technologist1861108235
- Anne Akhimien, MDFamily Medicine Physician1205408515
- Trease Allen, PSYCH TECHLicensed Psychiatric Technician1174648620
- Mary Allport, LCSWClinical Social Worker1083739320
- Edgar Alviz, RNPsychiatric/Mental Health Registered Nurse1386763175
Verify Graham James Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A24149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74 psychiatry physician records list a practice address in Ventura
They are 74 of the 4,435 NPPES records with a practice address in Ventura, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 74 in Ventura → All 8,673 in California → Every provider in Ventura →
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- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Graham James Ellis, DO's NPI number?
Graham James Ellis, DO's National Provider Identifier (NPI) is 1215556667, issued on Apr 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Graham James Ellis, DO located?
The NPPES record lists a practice address at 300 Hillmont Ave, Ventura, CA, 93003. Phone: (310) 924-1413. Providers update this record themselves, so call before visiting.
How can I verify Graham James Ellis, DO's license?
NPPES lists California license number 20A24149, 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.
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.