NPPES file of Aug 9, 2026

Alan Chia Yi Lin, D.O

Hospitalist Physician · San Diego, CA

Alan Chia Yi Lin, D.O is a hospitalist physician with a practice address in San Diego, California, and NPI 1912206483, issued on Mar 22, 2011. Check the license (California 12422, 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
1912206483
Name
Alan Chia Yi Lin
Credential
D.O
Primary taxonomy
Hospitalist Physician 208M00000X
License number
12422 CA
Self-reported in NPPES; status is on the state search
Practice location
4077 Fifth Ave # Mer127, San Diego, CA 92103
Phone
(619) 306-3480
Enumerated
Mar 22, 2011
Record last updated
Jul 19, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140918000008); accepts Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4077 Fifth Ave # Mer127

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ayal Shavit, MDHospitalist Physician1194287433

Verify Alan Chia Yi 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 12422
    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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66% fewer Medicare Part D claims than the average hospitalist physician in 2024

175 Medicare Part D claims for 60 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Alan Lin175
  2. Specialty average521

Most prescribed

  1. Hydrocodone-Acetaminophen13 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

  1. Scripps Health Inpatient Providers Medical Group IncSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alan Chia Yi Lin among 3,099 hospitalist physician records in California

Alan Chia Yi Lin, D.O is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 47% of them.

  • NPI issued2011 · 47% of these records are older, 49% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2011 · median 2010 among the 2,505 with a school on file
  • Record last updated2016 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Ali Amirrezvani, M.D.San Diego, CA 921031861485005
  2. William Anapoell, MDSan Diego, CA 921031982631289
  3. Deepak Asudani, M.D.San Diego, CA 921031548208812
  4. Atousa Brandish, M.D.San Diego, CA 921031609814235
  5. Michael Hogarth, M.D.San Diego, CA 921031225019193
  6. Matthew Hom, M.D.San Diego, CA 921031881632081
  7. Bryan Huang, M.D.San Diego, CA 921031881652394
  8. Ian Jenkins, M.D.San Diego, CA 921031992762520

Common questions

What is Alan Chia Yi Lin, D.O's NPI number?

Alan Chia Yi Lin, D.O's National Provider Identifier (NPI) is 1912206483, issued on Mar 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Alan Chia Yi Lin, D.O located?

The NPPES record lists a practice address at 4077 Fifth Ave # Mer127, San Diego, CA, 92103. Phone: (619) 306-3480. Providers update this record themselves, so call before visiting.

How can I verify Alan Chia Yi Lin, D.O's license?

NPPES lists California license number 12422, 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 Alan Chia Yi Lin, D.O prescribe under Medicare Part D?

In 2024, Alan Chia Yi Lin, D.O had 175 Medicare Part D claims for 60 beneficiaries; the average among hospitalist physician prescribers was 521. 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.