Antonio Quan Chan, M.D.
Cardiovascular Disease Physician · Milpitas, CA
Antonio Quan Chan, M.D. is a cardiovascular disease physician with a practice address in Milpitas, California, and NPI 1669558508, issued on Oct 31, 2006. Check the license (California A35593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Antonio Quan Chan
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A35593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1289 S. Park Victoria Drive, Milpitas, CA 95035
- Phone
- (408) 586-8866
- Enumerated
- Oct 31, 2006
- Record last updated
- Mar 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (408) 586-8858
- Medicaid ID
- 00A355930 CA
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Antonio Quan Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A35593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
19 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
Antonio Quan Chan among 2,574 cardiovascular disease physician records in California
Antonio Quan Chan, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Milpitas → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Anuradha Chirala, MBBSMorgan Hill, CA 950371952597478
- Bhavna Suri, MDMorgan Hill, CA 950371487952511
- Ronald Kite, M.D.Los Gatos, CA 950321902818974
- Suman Kuppahally, MDLos Gatos, CA 950321811073323
- John Smith, MDLos Gatos, CA 950321457346843
- Dana Weisshaar, MDLos Gatos, CA 950321952475550
- Kambuzia Tabari, MDMonte Sereno, CA 950301801147004
- Martin Bress, MDHollister, CA 950231720084049
Common questions
What is Antonio Quan Chan, M.D.'s NPI number?
Antonio Quan Chan, M.D.'s National Provider Identifier (NPI) is 1669558508, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Antonio Quan Chan, M.D. located?
The NPPES record lists a practice address at 1289 S. Park Victoria Drive, Milpitas, CA, 95035. Phone: (408) 586-8866. Providers update this record themselves, so call before visiting.
How can I verify Antonio Quan Chan, M.D.'s license?
NPPES lists California license number A35593, 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 Antonio Quan Chan, M.D. prescribe under Medicare Part D?
In 2024, Antonio Quan Chan, M.D. had 19 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.