Ronald J. Ellis, M.D., PH.D.
Neurology Physician · San Diego, CA
Ronald J. Ellis, M.D., PH.D. is a neurology physician with a practice address in San Diego, California, and NPI 1992763114, issued on May 4, 2006. Check the license (California G070659, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald J. Ellis
- Credential
- M.D., PH.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G070659 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (619) 543-6806
- Enumerated
- May 4, 2006
- Record last updated
- Nov 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100921000658); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Ronald J. Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G070659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average neurology physician in 2024
186 Medicare Part D claims for 38 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Memantine Hcl36 claims
- Donepezil Hcl19 claims
- Carbidopa-Levodopa16 claims
- Pregabalin12 claims
- Duloxetine Hcl11 claims
- Gabapentin11 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald J. Ellis among 2,339 neurology physician records in California
Ronald J. Ellis, M.D., PH.D. is one of 2,339 neurology physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1989 · median 2006 among the 1,628 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in San Diego → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- John Aalbers, M.D.San Diego, CA 921031942262431
- James Brewer, M.D./PH.DSan Diego, CA 921031033144985
- Kristi Dove, MDSan Diego, CA 921031598730335
- George Ellison, M.DSan Diego, CA 921031194740365
- James Grisolia, M.D.INCSan Diego, CA 921031336102359
- Charles Jablecki, M.D.San Diego, CA 921031255315677
- Mark Kritchevsky, MDSan Diego, CA 921031104866318
- Stephanie Lessig, M.D.San Diego, CA 921031134167141
Common questions
What is Ronald J. Ellis, M.D., PH.D.'s NPI number?
Ronald J. Ellis, M.D., PH.D.'s National Provider Identifier (NPI) is 1992763114, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Ellis, M.D., PH.D. located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (619) 543-6806. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Ellis, M.D., PH.D.'s license?
NPPES lists California license number G070659, 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 Ronald J. Ellis, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Ronald J. Ellis, M.D., PH.D. had 186 Medicare Part D claims for 38 beneficiaries; the average among neurology physician prescribers was 1,370. 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.