Cornelia Chin, MD
Internal Medicine Physician · San Jose, CA
Cornelia Chin, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1104902634, issued on Oct 27, 2006. Check the license (California A63281, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cornelia Chin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A63281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 260 International Cir, San Jose, CA 95119
- Phone
- (408) 972-7000
- Enumerated
- Oct 27, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A632810 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 260 International Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cornelia Chin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,588 Medicare Part D claims for 288 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium122 claims
- Metformin Hcl103 claims
- Levothyroxine Sodium81 claims
- Losartan Potassium67 claims
- Famotidine65 claims
- Lisinopril62 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.
Cornelia Chin among 17,696 internal medicine physician records in California
Cornelia Chin, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Monte Bernstein, M.D.San Jose, CA 951191730262593
- Jagpreet Bhatia, MDSan Jose, CA 951191205912722
- Malathi Charlu, MDSan Jose, CA 951191316023815
- Monica Delzeit, M.D.San Jose, CA 951191912005349
- Sony Haris, MDSan Jose, CA 951191750467288
- Denley Jang, M.D.San Jose, CA 951191659479970
- John Kabahit, DOSan Jose, CA 951191073699583
- Robert Lemons, M.D.San Jose, CA 951191871693606
Common questions
What is Cornelia Chin, MD's NPI number?
Cornelia Chin, MD's National Provider Identifier (NPI) is 1104902634, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cornelia Chin, MD located?
The NPPES record lists a practice address at 260 International Cir, San Jose, CA, 95119. Phone: (408) 972-7000. Providers update this record themselves, so call before visiting.
How can I verify Cornelia Chin, MD's license?
NPPES lists California license number A63281, 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 Cornelia Chin, MD prescribe under Medicare Part D?
In 2024, Cornelia Chin, MD had 1,588 Medicare Part D claims for 288 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.