Steve Li Chan, MD
Internal Medicine Physician · Diamond Bar, CA
Steve Li Chan, MD is an internal medicine physician with a practice address in Diamond Bar, California, and NPI 1790750743, issued on Feb 22, 2006. Check the license (California A63015, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steve Li Chan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A63015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 660 N. Diamond Bar Blvd #118, Diamond Bar, CA 91765
- Phone
- (909) 612-5835
- Enumerated
- Feb 22, 2006
- Record last updated
- Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (909) 612-5836
- Medicaid ID
- 00A630150 CA
- Medicare enrollment
- Enrolled (PECOS I20101015000976); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Steve Li Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average internal medicine physician in 2024
5,047 Medicare Part D claims for 432 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium525 claims
- Amlodipine Besylate425 claims
- Metformin Hcl217 claims
- Tamsulosin Hcl187 claims
- Losartan Potassium176 claims
- Zolpidem Tartrate160 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: $371.00
6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Steve Li Chan among 17,696 internal medicine physician records in California
Steve Li Chan, 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 fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 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).
11 internal medicine physician records list a practice address in Diamond Bar
They are 11 of the 598 NPPES records with a practice address in Diamond Bar, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Diamond Bar → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lorindha Argudo, MDDiamond Bar, CA 917651750477824
- Edwin Chuong, M.D.Diamond Bar, CA 917651427231802
- Claire Daniel, MDDiamond Bar, CA 917651851928428
- Chandan Gowda, DODiamond Bar, CA 917651730575473
- Michael Kwok, M.D.Diamond Bar, CA 917651881717197
- Manish Mehta, M.D.Diamond Bar, CA 917651790085223
- Jonathan Ou, M.DDiamond Bar, CA 917651518109719
- Yuh-Huey Wang, MDDiamond Bar, CA 917651588639538
Common questions
What is Steve Li Chan, MD's NPI number?
Steve Li Chan, MD's National Provider Identifier (NPI) is 1790750743, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steve Li Chan, MD located?
The NPPES record lists a practice address at 660 N. Diamond Bar Blvd #118, Diamond Bar, CA, 91765. Phone: (909) 612-5835. Providers update this record themselves, so call before visiting.
How can I verify Steve Li Chan, MD's license?
NPPES lists California license number A63015, 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 Steve Li Chan, MD prescribe under Medicare Part D?
In 2024, Steve Li Chan, MD had 5,047 Medicare Part D claims for 432 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.