Alexander Seth Fein, MD
Neurology Physician · Los Angeles, CA
Alexander Seth Fein, MD is a neurology physician with a practice address in Los Angeles, California, and NPI 1225598238, issued on Mar 25, 2019. Check the license (California A193632, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Seth Fein
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A193632 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Stein Plz FL 1, Los Angeles, CA 90095
- Phone
- (310) 825-3090
- Enumerated
- Mar 25, 2019
- Record last updated
- Aug 1, 2024
- Fax
- (310) 825-0441
- Medicare enrollment
- Enrolled (PECOS I20240617000808); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 100 Stein Plz FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Bardan, MDOphthalmology Physician1467088310
- John Cheng, MDOphthalmology Physician1205586773
- Mona Fayad, MDPediatric Ophthalmology and Strabismus Specialist Physician1326500158
- Kayla Gan, OTROccupational Therapist1306509260
- Michael Gilhooley, MDNeuro-ophthalmology Physician1043071277
- Tiffany Huang, MDOphthalmology Physician1275037202
Verify Alexander Seth Fein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193632Check 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
- Jules Stein Eye Institute Medical GroupPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Diana Abdulrahman, M.D.Pomona, CA1518276880
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Saheil AboutalibLong Beach, CA1548551112
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
Common questions
What is Alexander Seth Fein, MD's NPI number?
Alexander Seth Fein, MD's National Provider Identifier (NPI) is 1225598238, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Seth Fein, MD located?
The NPPES record lists a practice address at 100 Stein Plz FL 1, Los Angeles, CA, 90095. Phone: (310) 825-3090. Providers update this record themselves, so call before visiting.
How can I verify Alexander Seth Fein, MD's license?
NPPES lists California license number A193632, 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.