Johnson Chan, MD
Hospitalist Physician · San Jose, CA
Johnson Chan, MD is a hospitalist physician with a practice address in San Jose, California, and NPI 1871679720, issued on Oct 31, 2006. Check the license (California A60316, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johnson Chan
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A60316 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 31, 2006
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A603160 CA
- Medicare enrollment
- Enrolled (PECOS I20110211000687); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 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 Johnson Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average hospitalist physician in 2024
393 Medicare Part D claims for 177 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.
Most prescribed
- Metoprolol Tartrate22 claims
- Amlodipine Besylate17 claims
- Gabapentin15 claims
- Levofloxacin15 claims
- Ciprofloxacin Hcl13 claims
- Veo Insulin Syringe13 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
- Permanente Medical Group IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johnson Chan among 3,099 hospitalist physician records in California
Johnson Chan, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1994 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 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.
All 3,099 in California → Every provider in San Jose → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Zineb Benmayouf, MDSan Jose, CA 951191730265257
- Junghae Choi, MDSan Jose, CA 951191952487480
- John Clausen, MDSan Jose, CA 951191942386461
- Kelly Crawford, MDSan Jose, CA 951191134205644
- Rose Dao, MDSan Jose, CA 951191639255144
- Trupti Kapadia, MDSan Jose, CA 951191043396575
- Subbu Lakshmi, MDSan Jose, CA 951191336225853
- Jeffrey Lou, MDSan Jose, CA 951191932285442
Common questions
What is Johnson Chan, MD's NPI number?
Johnson Chan, MD's National Provider Identifier (NPI) is 1871679720, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johnson Chan, 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 Johnson Chan, MD's license?
NPPES lists California license number A60316, 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 Johnson Chan, MD prescribe under Medicare Part D?
In 2024, Johnson Chan, MD had 393 Medicare Part D claims for 177 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.