NPPES file of Aug 9, 2026

Alexander S. Lin, M.D.

Diagnostic Radiology Physician · Santa Ana, CA

Alexander S. Lin, M.D. is a diagnostic radiology physician with a practice address in Santa Ana, California, and NPI 1952314601, issued on Aug 14, 2006. Check the license (California G38003, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952314601
Name
Alexander S. Lin
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G38003 CA
Self-reported in NPPES; status is on the state search
Practice location
3731 S Plaza Dr, Santa Ana, CA 92704
Phone
(714) 547-3346
Enumerated
Aug 14, 2006
Record last updated
Apr 2, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(714) 547-3252
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Verify Alexander S. Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G38003    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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73% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

14 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Alexander Lin14
  2. Specialty average51

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.

Alexander S. Lin among 4,500 diagnostic radiology physician records in California

Alexander S. Lin, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

All 4,500 in California → Every provider in Santa Ana → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Joseph Brugman, M.D.Santa Ana, CA 927051790727188
  2. Khurshed Dastur, MDSanta Ana, CA 927051740287887
  3. Laszlo Kaveggia, M.D.Santa Ana, CA 927051508808924
  4. Patricia Kincaid, M.D.Santa Ana, CA 927051134163165
  5. Jessica Langer, MDSanta Ana, CA 927051972893923
  6. Hemlata Lepkowski, MDTustin, CA 927051114038338
  7. Tam Ngo, MDSanta Ana, CA 927031558308106
  8. Duke Nguyen, M.D.Santa Ana, CA 927051700822962

Common questions

What is Alexander S. Lin, M.D.'s NPI number?

Alexander S. Lin, M.D.'s National Provider Identifier (NPI) is 1952314601, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander S. Lin, M.D. located?

The NPPES record lists a practice address at 3731 S Plaza Dr, Santa Ana, CA, 92704. Phone: (714) 547-3346. Providers update this record themselves, so call before visiting.

How can I verify Alexander S. Lin, M.D.'s license?

NPPES lists California license number G38003, 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 Alexander S. Lin, M.D. prescribe under Medicare Part D?

In 2024, Alexander S. Lin, M.D. had 14 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.