William Patrick Neil, M.D.
Neurology Physician · San Diego, CA
William Patrick Neil, M.D. is a neurology physician with a practice address in San Diego, California, and NPI 1770791964, issued on May 19, 2007. Check the license (California A111200, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Patrick Neil
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A111200 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4405 Vandever Ave, San Diego, CA 92120
- Phone
- (619) 528-7682
- Enumerated
- May 19, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110819000349); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2006
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 4405 Vandever Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ghazaleh Afshar, MDObstetrics & Gynecology Physician1679774558
- Mariann Agapito, M.A., CCC-SLPSpeech-Language Pathologist1194552950
- Calliope Allen, M.D.Ophthalmology Physician1366415440
- Kenneth Antons, M.D.Internal Medicine Physician1982668182
- Kaivon Arfaa, MDObstetrics & Gynecology Physician1912977463
- Sharmila Basu, M.D,Internal Medicine Physician1740551688
Verify William Patrick Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111200Check 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 neurology physician in 2024
75 Medicare Part D claims for 20 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam19 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
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Patrick Neil among 2,339 neurology physician records in California
William Patrick Neil, M.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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2006 among the 1,628 with a school on file
- Record last updated2021 · 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
- Patrick Delaney, MDSan Diego, CA 921201699741645
- Gustavo Delgado, MDSan Diego, CA 921201386792372
- Arthur Flippin, MDSan Diego, CA 921201902954704
- Richard Kaplan, MDSan Diego, CA 921201003975681
- Boris Khamishon, NEUROLOGYSan Diego, CA 921201104922038
- Anne Matich, MDSan Diego, CA 921201235298803
- Daniel MicheliSan Diego, CA 921201447909809
- David Nguyen, D.O.San Diego, CA 921201891050712
Common questions
What is William Patrick Neil, M.D.'s NPI number?
William Patrick Neil, M.D.'s National Provider Identifier (NPI) is 1770791964, issued on May 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Patrick Neil, M.D. located?
The NPPES record lists a practice address at 4405 Vandever Ave, San Diego, CA, 92120. Phone: (619) 528-7682. Providers update this record themselves, so call before visiting.
How can I verify William Patrick Neil, M.D.'s license?
NPPES lists California license number A111200, 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 William Patrick Neil, M.D. prescribe under Medicare Part D?
In 2024, William Patrick Neil, M.D. had 75 Medicare Part D claims for 20 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.