Dr. James Hou Liu, MD
- Medicare services, 2024
- 5,729
- Medicare patients, 2024
- 362
- Part D claims, 2024
- 8,220
- MIPS score, 2024
- 75
- Hospital affiliations
- 5
- Practice address
- 1129 S. San Gabriel Blvd., San Gabriel, CA 91776
- Practice phone
- Call (626) 287-6746
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diagnostic Medical Group - San Gabriel
Mammography / Breast Imaging Center · San Gabriel, California
Find Dr. Liu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Hou Liu is a cardiologist in San Gabriel, California
Dr. Liu practices at Diagnostic Medical Group - San Gabriel in San Gabriel, California.
Dr. Liu's NPI, 1518074731, was assigned on August 24, 2006. Dr. Liu graduated from University of California, Geffen School of Medicine in 1987. Dr. Liu holds California license G64811.
- NPI
- 1518074731NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153393442
- NPI enumeration date
- August 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 287-6746
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Hou Liu practices at Diagnostic Medical Group - San Gabriel in San Gabriel, California
Dr. Liu's primary practice is Diagnostic Medical Group - San Gabriel, at 1129 S. San Gabriel Blvd., San Gabriel, CA 91776. The practice phone is (626) 287-6746.
- Diagnostic Medical Group - San Gabriel1129 S. San Gabriel Blvd., San Gabriel, CA 91776Phone(626) 287-6746
Source: Dmand AI Affiliation Data
Dr. James Hou Liu is affiliated with 13 sites of care and 2 medical groups
Dr. Liu's primary practice is Diagnostic Medical Group - San Gabriel in San Gabriel, California. Dr. Liu is also affiliated with AHMC San Gabriel Valley Medical Center. The medical group on file is Diagnostic Medical Group of Southern California. Dmand AI also links Dr. Liu to 4 more hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice, 1 skilled nursing facility and 1 medical group, each named with a free account. Dr. Liu's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Hou Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diagnostic Medical Group - San Gabriel | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Hou Liu is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Liu's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
- Texas license
Cardiologists near Dr. Liu
Counts of cardiologists 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. James Hou Liu billed Medicare for 5,729 services in 2024
CMS data shows 5,729 Medicare services from Dr. Liu across 28 procedure codes in 2024, for 362 Medicare patients. Medicare paid $534,723 for them.
Dr. Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,4102024: 3,88414%
- Tests and treatments
- 2023: 1,6552024: 1,7737%
- Other services
- 2023: 342024: 72112%
Where Dr. Liu's Medicare services took place, 2024
- In an office3,29958%
- In a facility2,43042%
Dr. Liu compared with the California median for cardiologists, 2024
- Dr. Liu
- California median
- Medicare services
- 5,729vs 1,5603.7 times
- Medicare patients
- 362vs 64444% below
- Part D claims
- 7,693vs 1,4105.5 times
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Liu'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Hou Liu treated 362 Medicare patients in 2024, average age 78
CMS counts 362 Medicare patients who saw Dr. Liu in 2024. The largest group is 75 to 84, with 133 patients. 75% of them have heart failure, and 75% have high blood pressure. 75% are also on Medicaid. Their average risk score is 2.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 68, with 53% women.
Dr. Liu's Medicare patients by age, 2024
Dr. Liu's Medicare patients by sex, 2024
- Women19754%
- Men16546%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes72%
- Chronic kidney disease55%
- Arthritis53%
- COPD46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Hou Liu wrote 8,220 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 8,220 Medicare Part D claims for 317 patients. 79% of them were for generic drugs. CMS names the drug for 7,693 of them, across 108 drugs with 11 or more claims each, at $1,181,593 in total drug cost. In 2023, CMS named 7,137 claims across 104 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic6,524 claims79%
- Brand-name1,608 claims20%
- Other88 claims1%
Dr. Liu'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. Liu's Part D claims, 2024
- Antibiotics2%169 of 8,220 claims
- Antipsychotics, patients 65 and over1%97 of 8,220 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: 7,1372024: 7,6938%
Drugs named by CMS: 108 in 2024, 104 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
Dr. James Hou Liu scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Liu for performance year 2024, reported individually. Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James Hou Liu received $24,127 in industry payments from 2016 to 2025
CMS Open Payments shows 680 general payments to Dr. Liu from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 71% of the total. AstraZeneca Pharmaceuticals LP paid the most, $8,380.
General payments to Dr. Liu by program year, 2016 to 2025
General payments to Dr. Liu by kind, 2016 to 2025
- Food and beverage$17,11171%
- Speaker and faculty fees$6,15025%
- Education$4992%
- Travel and lodging$3662%
Companies that paid Dr. Liu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Hou Liu graduated from University of California, Geffen School of Medicine
Dr. Liu graduated from University of California, Geffen School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Hou Liu'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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. James Hou Liu
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. James Hou Liu's NPI number?
Dr. James Hou Liu's NPI number is 1518074731. It was assigned on August 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Hou Liu?
Dr. James Hou Liu is a cardiologist in San Gabriel, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. James Hou Liu practice?
Dr. Liu practices at 1129 S. San Gabriel Blvd., San Gabriel, CA 91776. Dr. Liu's primary practice is Diagnostic Medical Group - San Gabriel in San Gabriel, California. Dmand AI also links Dr. Liu to 4 hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice, 1 skilled nursing facility and 1 medical group.
What is Dr. James Hou Liu's office phone number?
The practice phone on file for Dr. Liu is (626) 287-6746.
What is Dr. James Hou Liu's medical license number?
Dr. Liu holds California license G64811, one of the licenses on file in 2 states.
Which states has Dr. James Hou Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in California and Texas.
Which hospitals is Dr. James Hou Liu affiliated with?
Dr. Liu is affiliated with AHMC San Gabriel Valley Medical Center. Dmand AI links Dr. Liu to 4 more hospitals.
What medical group is Dr. James Hou Liu part of?
Dr. Liu is linked to Diagnostic Medical Group of Southern California. Dmand AI links Dr. Liu to 1 more medical group.
Does Dr. James Hou Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 5,729 services in 2024, and Dr. Liu accepts Medicare assignment.
Does Dr. James Hou Liu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liu as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. James Hou Liu's MIPS score?
Dr. Liu's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. James Hou Liu see?
CMS counts 362 Medicare patients who saw Dr. Liu in 2024, with an average age of 78.
What services does Dr. James Hou Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99232).
Where did Dr. James Hou Liu go to medical school?
Dr. Liu graduated from University of California, Geffen School of Medicine in 1987.
What drugs does Dr. James Hou Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Losartan Potassium, Atenolol and Propafenone HCl.
Has Dr. James Hou Liu received payments from drug or device companies?
CMS Open Payments shows $24,127 in general payments to Dr. Liu from 36 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. James Hou Liu been practicing?
Dr. Liu graduated from medical school in 1987, 39 years ago.
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