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Dr. Susan Fai Lien, MD
NPI1164548541PAC ID6002005345
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 3,664
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Susan Fai Lien is a cardiologist in Riverside, California
Dr. Lien practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Lien's NPI, 1164548541, was assigned on March 21, 2007. Dr. Lien graduated from VCU School of Medicine in 2007. Dr. Lien holds California license A127608.
NPI and contact details
- NPI
- 1164548541NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002005345
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Fai Lien practices at Riverside Medical Center in Riverside, California
Dr. Lien's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Susan Fai Lien is affiliated with 1 site of care and 1 medical group
Dr. Lien's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Susan Fai Lien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Susan Fai Lien is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Lien's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Lien is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Lien's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists chronic hypertension among the conditions Dr. Lien treats.
Cardiologists near Dr. Lien
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
2,375cardiologists in California29cardiologists in Riverside12cardiologists at Riverside Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Susan Fai Lien billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Lien across 1 procedure code in 2024, for 46 Medicare patients. Medicare paid $77 for them. Every service was in an office.
Medicare services, 202416
Medicare patients46
Paid by Medicare$77
Procedure codes1
Dr. Lien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 212024: 1624%
Dr. Lien compared with the California median for cardiologists, 2024
- Dr. Lien
- California median
- Medicare services
- 16vs 1,56099% below
- Medicare patients
- 46vs 64493% below
- Part D claims
- 3,521vs 1,4102.5 times
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Lien'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. Susan Fai Lien treated 46 Medicare patients in 2024, average age 67
CMS counts 46 Medicare patients who saw Dr. Lien in 2024. The largest group is 65 to 74, with 19 patients. 67% of them have high blood pressure, and 57% have diabetes. 39% are also on Medicaid. Their average risk score is 1.74, 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. Lien's median patient age at 60, with 60% women.
Medicare patients, 202446
Average age67
Average risk score1.74
Also on Medicaid39%
Dr. Lien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lien's Medicare patients by sex, 2024
- Women2350%
- Men2350%
Chronic conditions among Dr. Lien's Medicare patients, 2024
- High blood pressure67%
- Diabetes57%
- High cholesterol57%
- Heart failure43%
- Chronic kidney disease35%
- Ischemic heart disease35%
- Arthritis30%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Susan Fai Lien wrote 3,664 Medicare Part D claims in 2024
In 2024, Dr. Lien wrote 3,664 Medicare Part D claims for 664 patients. 77% of them were for generic drugs. CMS names the drug for 3,521 of them, across 36 drugs with 11 or more claims each, at $536,732 in total drug cost. In 2023, CMS named 3,406 claims across 32 drugs.
Part D claims, 20243,664
Drugs named by CMS36
Total drug cost$536,732
Part D patients664
Dr. Lien's Part D claims by kind of drug, 2024
- Generic2,818 claims77%
- Brand-name846 claims23%
Dr. Lien'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,4062024: 3,5213%
Drugs named by CMS: 36 in 2024, 32 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. Susan Fai Lien takes part in Medicare
Dr. Lien 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. Susan Fai Lien has 3 publications on record
Dmand AI links 3 papers to Dr. Lien, published from 2012 to 2018. The most frequent topics are Postoperative Complications. Dr. Lien's most frequent co-authors are John David Bisognano, MD, Jeffrey Dean Alexis, MD and Charles W. Francis, MD.
Papers3
Years published2012 to 2018
Topics Dr. Lien writes about most
- Postoperative Complications
Dr. Lien's most frequent co-authors
- John David Bisognano, MD2 shared papers
- Jeffrey Dean Alexis, MD1 shared paper
- Charles W. Francis, MD1 shared paper
Recent publications by Dr. Lien
Curr Hypertens Rep
Adrenergic beta-AntagonistsAngiotensin-Converting Enzyme InhibitorsAntihypertensive Agents
See who Dr. Lien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lien works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Susan Fai Lien received $334 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Lien from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $121.
General payments to Dr. Lien by program year, 2016 to 2025
Companies that paid Dr. Lien 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. Susan Fai Lien graduated from VCU School of Medicine
Dr. Lien graduated from VCU School of Medicine in 2007. Dr. Lien is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Susan Fai Lien accepts plans from 2 insurance carriers
Dr. Lien is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Lien accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Susan Fai Lien'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Susan Fai Lien
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. Susan Fai Lien's NPI number?
Dr. Susan Fai Lien's NPI number is 1164548541. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Susan Fai Lien?
Dr. Susan Fai Lien is a cardiologist in Riverside, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Susan Fai Lien practice?
Dr. Lien practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Lien's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Susan Fai Lien's office phone number?
The practice phone on file for Dr. Lien is (951) 353-2000.
What is Dr. Susan Fai Lien's medical license number?
Dr. Lien holds California license A127608, one of the licenses on file in 2 states.
Which states has Dr. Susan Fai Lien been licensed in?
Dmand AI has state licenses on file for Dr. Lien in California (2013 to 2027) and New York (2009 to 2027).
Which hospitals is Dr. Susan Fai Lien affiliated with?
Dr. Lien practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Susan Fai Lien part of?
Dr. Lien is linked to Southern California Permanente Medical Group.
Does Dr. Susan Fai Lien accept Medicare?
Yes. CMS data shows Dr. Lien billed Medicare for 16 services in 2024, and Dr. Lien accepts Medicare assignment.
How many Medicare patients does Dr. Susan Fai Lien see?
CMS counts 46 Medicare patients who saw Dr. Lien in 2024, with an average age of 67.
Show 9 more questionsShow fewer questions
Is Dr. Susan Fai Lien board certified?
Yes. Dr. Lien is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Susan Fai Lien bill to Medicare?
In 2024, Dr. Lien's most billed Medicare services were heart test or procedure (93010).
Where did Dr. Susan Fai Lien go to medical school?
Dr. Lien graduated from VCU School of Medicine in 2007.
What drugs does Dr. Susan Fai Lien prescribe most?
In 2024 Medicare Part D data, Dr. Lien's most prescribed drugs by claims were Bisoprolol Fumarate, Pradaxa and Spironolactone.
Has Dr. Susan Fai Lien received payments from drug or device companies?
CMS Open Payments shows $334 in general payments to Dr. Lien from 5 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. Susan Fai Lien been practicing?
Dr. Lien graduated from medical school in 2007, 19 years ago.
Does Dr. Susan Fai Lien do research?
Dmand AI links 3 publications to Dr. Lien, published from 2012 to 2018.
Who does Dr. Susan Fai Lien publish with?
Dr. Lien's most frequent co-authors are John David Bisognano, MD (2 shared papers), Jeffrey Dean Alexis, MD (1 shared paper) and Charles W. Francis, MD (1 shared paper).
What insurance does Dr. Susan Fai Lien accept?
Dr. Lien is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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