Yih-Lin Nien, M.D.
Neurology Physician · Torrance, CA
Yih-Lin Nien, M.D. is a neurology physician with a practice address in Torrance, California, and NPI 1821204314, issued on May 14, 2007. Check the license (California C130940, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yih-Lin Nien
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- C130940 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Torrance Blvd, Torrance, CA 90503
- Phone
- (310) 303-5250
- Enumerated
- May 14, 2007
- Record last updated
- Jun 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150609002961); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 4101 Torrance Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kellie AmanoPharmacist1558070458
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- Henry Amberg, M.D.Anesthesiology Physician1336167048
- Anne Arafat, PHARM. D.Geriatric Pharmacist1730304452
Verify Yih-Lin Nien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C130940Check 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
- Providence Medical InstituteTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yih-Lin Nien among 2,339 neurology physician records in California
Yih-Lin Nien, 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
- Graduated2001 · 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 Torrance → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Heros Amerkhanian, DO, MPHTorrance, CA 905031760045785
- Allison Arch, M.D.Torrance, CA 905031043509953
- Prakash Desai, D.O.Torrance, CA 905031477759975
- Natalie Diaz, M.D.Torrance, CA 905031871516492
- Robert Rafael, M.D.Torrance, CA 905031265586895
- Eric TamrazianTorrance, CA 905031881078251
- Samra Vazirian, MDTorrance, CA 905031346669389
- Jeff Victoroff, M.D.Torrance, CA 905031144302829
Common questions
What is Yih-Lin Nien, M.D.'s NPI number?
Yih-Lin Nien, M.D.'s National Provider Identifier (NPI) is 1821204314, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yih-Lin Nien, M.D. located?
The NPPES record lists a practice address at 4101 Torrance Blvd, Torrance, CA, 90503. Phone: (310) 303-5250. Providers update this record themselves, so call before visiting.
How can I verify Yih-Lin Nien, M.D.'s license?
NPPES lists California license number C130940, 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.