Chao-I Lin, MD
Allergy & Immunology Physician · Orange, CA
Chao-I Lin, MD is an allergy & immunology physician with a practice address in Orange, California, and NPI 1588779631, issued on Aug 20, 2006. Check the license (California A45786, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chao-I Lin
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A45786 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1140 W LA Veta Ave Ste 850, Orange, CA 92868
- Phone
- (714) 771-7994
- Enumerated
- Aug 20, 2006
- Entity
- Type 1 · individual
Also registered at 1140 W LA Veta Ave Ste 850
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chao-I Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A45786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
73% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
203 Medicare Part D claims for 54 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Trelegy Ellipta31 claims
- Wixela Inhub21 claims
- Albuterol Sulfate Hfa20 claims
- Montelukast Sodium20 claims
- Fluticasone Propionate17 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.
Industry payments in 2024: $2,128.90
94 payments, mostly food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allergy Partners OF California IncOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
Other allergy & immunology physician records in California
- Edsel Abud, MD, PHDLa Jolla, CA1891257192
- Seema Aceves, M.D., PH.D.San Diego, CA1366511628
- Terrie Ahn, MDSanta Monica, CA1093166795
- Rhonda Alkatib, M.D.San Diego, CA1417363086
- Mercedes Amado, M.D.San Diego, CA1477510287
- Loula Amin, M.D.Newport Beach, CA1043452782
- A Aminian, M.D.Fresno, CA1508080193
- Ali Amirzadeh, M.D.Sacramento, CA1083748685
- Lorraine Anderson, MDSanta Monica, CA1013209568
- Joshua Ang, DOPasadena, CA1699398016
Common questions
What is Chao-I Lin, MD's NPI number?
Chao-I Lin, MD's National Provider Identifier (NPI) is 1588779631, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chao-I Lin, MD located?
The NPPES record lists a practice address at 1140 W LA Veta Ave Ste 850, Orange, CA, 92868. Phone: (714) 771-7994. Providers update this record themselves, so call before visiting.
How can I verify Chao-I Lin, MD's license?
NPPES lists California license number A45786, 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 Chao-I Lin, MD prescribe under Medicare Part D?
In 2024, Chao-I Lin, MD had 203 Medicare Part D claims for 54 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.