William Patrick Flavin, MD/PHD
Neurology Physician · Los Angeles, CA
William Patrick Flavin, MD/PHD is a neurology physician with a practice address in Los Angeles, California, and NPI 1235698051, issued on Mar 19, 2019. Check the license (California A181510, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Patrick Flavin
- Credential
- MD/PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A181510 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Ucla Medical Plaza Suite 425, Los Angeles, CA 90095
- Phone
- (310) 794-1195
- Enumerated
- Mar 19, 2019
- Record last updated
- Jul 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230602000808); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 100 Ucla Medical Plaza Suite 425
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Patrick Flavin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A181510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Patrick Flavin among 2,339 neurology physician records in California
William Patrick Flavin, MD/PHD 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 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2006 among the 1,628 with a school on file
- Record last updated2023 · 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 Los Angeles → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- David Alexander, M.D.Los Angeles, CA 900951154371334
- Robert Baloh, MDLos Angeles, CA 900951801811252
- Ronnie Bergen, MDLos Angeles, CA 900951750353488
- Timothy Cloughesy, MDLos Angeles, CA 900951154356053
- Robert Collins, MDLos Angeles, CA 900951871518233
- Jeffrey Cummings, MDLos Angeles, CA 900951457376329
- Dawn Eliashiv, M.D.Los Angeles, CA 900951144286162
- Neeta Garg, MDLos Angeles, CA 900951649242728
Common questions
What is William Patrick Flavin, MD/PHD's NPI number?
William Patrick Flavin, MD/PHD's National Provider Identifier (NPI) is 1235698051, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Patrick Flavin, MD/PHD located?
The NPPES record lists a practice address at 100 Ucla Medical Plaza Suite 425, Los Angeles, CA, 90095. Phone: (310) 794-1195. Providers update this record themselves, so call before visiting.
How can I verify William Patrick Flavin, MD/PHD's license?
NPPES lists California license number A181510, 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. 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.