Dr. Steve Li Chan, MD
- Medicare services, 2024
- 644
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 5,047
- Hospital affiliations
- 1
- Industry payments
- $686
- Practice address
- 660 N Diamond Bar Blvd, Diamond Bar, CA 91765
- Practice phone
- Call (909) 612-5835
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Steve Li Chan MD Inc
Diamond Bar, California
Find Dr. Chan's professional email, personal email and mobile number
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Dr. Steve Li Chan is an internist in Diamond Bar, California
Dr. Chan practices at Steve Li Chan MD Inc in Diamond Bar, California.
Dr. Chan's NPI, 1790750743, was assigned on February 22, 2006. Dr. Chan graduated from Albert Einstein College of Medicine of Yeshiva University in 1995. Dr. Chan holds California license A63015.
- NPI
- 1790750743NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921291410
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 612-5835
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steve Li Chan practices at Steve Li Chan MD Inc in Diamond Bar, California
Dr. Chan's primary practice is Steve Li Chan MD Inc, at 660 N Diamond Bar Blvd, Diamond Bar, CA 91765 in Los Angeles County. The practice phone is (909) 612-5835.
- Steve Li Chan MD Inc660 N Diamond Bar Blvd, Diamond Bar, CA 91765 · Los Angeles CountyPhone(909) 612-5835
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steve Li Chan is affiliated with 3 sites of care
Dr. Chan's primary practice is Steve Li Chan MD Inc in Diamond Bar, California. Dr. Chan is also affiliated with Providence St. Jude Medical Center. Dmand AI also links Dr. Chan to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Steve Li Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Steve Li Chan MD Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steve Li Chan is one of 16,751 internists in California
Internal medicine is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chan is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chan
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steve Li Chan billed Medicare for 644 services in 2024
CMS data shows 644 Medicare services from Dr. Chan across 8 procedure codes in 2024, for 152 Medicare patients. Medicare paid $45,984 for them. Every service was in an office.
Dr. Chan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3122024: 3264%
- Other services
- 2023: 692024: 222222%
- Tests and treatments
- 2023: 552024: 9675%
Dr. Chan compared with the California median for internists, 2024
- Dr. Chan
- California median
- Medicare services
- 644vs 36178% above
- Medicare patients
- 152vs 151Close to median
- Part D claims
- 4,464vs 42110.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steve Li Chan treated 152 Medicare patients in 2024, average age 76
CMS counts 152 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 62, with 45% women.
Dr. Chan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chan's Medicare patients by sex, 2024
- Women7247%
- Men8053%
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes39%
- Osteoporosis38%
- Arthritis28%
- Ischemic heart disease27%
- Chronic kidney disease18%
- Heart failure14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steve Li Chan wrote 5,047 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 5,047 Medicare Part D claims for 432 patients. 90% of them were for generic drugs. CMS names the drug for 4,464 of them, across 83 drugs with 11 or more claims each, at $311,179 in total drug cost. In 2023, CMS named 3,902 claims across 71 drugs.
Dr. Chan's Part D claims by kind of drug, 2024
- Generic4,562 claims90%
- Brand-name459 claims9%
- Other26 claims1%
Dr. Chan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chan's Part D claims, 2024
- Opioids0%14 of 5,047 claims
- Antibiotics3%128 of 5,047 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,9022024: 4,46414%
Drugs named by CMS: 83 in 2024, 71 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Steve Li Chan takes part in Medicare
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steve Li Chan received $686 in industry payments from 2017 to 2025
CMS Open Payments shows 18 general payments to Dr. Chan from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $459.
General payments to Dr. Chan by program year, 2017 to 2025
Companies that paid Dr. Chan the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steve Li Chan graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Chan graduated from Albert Einstein College of Medicine of Yeshiva University in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steve Li Chan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steve Li Chan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Steve Li Chan's NPI number?
Dr. Steve Li Chan's NPI number is 1790750743. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steve Li Chan?
Dr. Steve Li Chan is an internist in Diamond Bar, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steve Li Chan practice?
Dr. Chan practices at 660 N Diamond Bar Blvd, Diamond Bar, CA 91765. Dr. Chan's primary practice is Steve Li Chan MD Inc in Diamond Bar, California. Dmand AI also links Dr. Chan to 1 physician office.
What is Dr. Steve Li Chan's office phone number?
The practice phone on file for Dr. Chan is (909) 612-5835.
What is Dr. Steve Li Chan's medical license number?
Dr. Chan holds California license A63015.
Which hospitals is Dr. Steve Li Chan affiliated with?
Dr. Chan is affiliated with Providence St. Jude Medical Center.
Does Dr. Steve Li Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 644 services in 2024, and Dr. Chan accepts Medicare assignment.
How many Medicare patients does Dr. Steve Li Chan see?
CMS counts 152 Medicare patients who saw Dr. Chan in 2024, with an average age of 76.
What services does Dr. Steve Li Chan bill to Medicare?
In 2024, Dr. Chan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Steve Li Chan go to medical school?
Dr. Chan graduated from Albert Einstein College of Medicine of Yeshiva University in 1995.
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What drugs does Dr. Steve Li Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Steve Li Chan received payments from drug or device companies?
CMS Open Payments shows $686 in general payments to Dr. Chan from 6 companies from 2017 to 2025. The largest total came from Amgen Inc.
How long has Dr. Steve Li Chan been practicing?
Dr. Chan graduated from medical school in 1995, 31 years ago.
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