ExerciseHeart FailureNitrates
Dr. Lien Trieu, DO
NPI1487185120PAC ID4789928342
- Medicare services, 2022
- 25
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 73
- Publications
- 2
- Industry payments
- $384
- Practice address
- 1 The Embarcadero, San Francisco, CA 94111
- Practice phone
- Call (888) 663-6331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Montefiore Medical Center
San Francisco, California
Find Dr. Trieu'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. Lien Trieu is an internist in San Francisco, California
Dr. Trieu practices at Montefiore Medical Center in San Francisco, California.
Dr. Trieu's NPI, 1487185120, was assigned on March 24, 2017. Dr. Trieu holds New York license 304350.
NPI and contact details
- NPI
- 1487185120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789928342
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (888) 663-6331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lien Trieu practices at Montefiore Medical Center in San Francisco, California
Dr. Trieu's primary practice is Montefiore Medical Center, at 1 The Embarcadero, San Francisco, CA 94111 in San Francisco County. The practice phone is (888) 663-6331.
- Montefiore Medical Center1 The Embarcadero, San Francisco, CA 94111 · San Francisco CountyPhone(888) 663-6331
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lien Trieu is affiliated with 3 sites of care and 2 medical groups
Dr. Trieu's primary practice is Montefiore Medical Center in San Francisco, California. The medical group on file is Montefiore Einstein Faculty Practice Group. Dmand AI also links Dr. Trieu to 2 more group practices and clinics and 1 medical group, each named with a free account.
Montefiore Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lien Trieu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trieu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montefiore Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lien Trieu is one of 16,751 internists in California
Internal medicine is Dr. Trieu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Trieu is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Trieu
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. Lien Trieu billed Medicare for 25 services in 2022
CMS data shows 25 Medicare services from Dr. Trieu across 1 procedure code in 2022, all of them office visits, for 12 Medicare patients. Medicare paid $2,516 for them. Every service was in an office.
Medicare services, 202225
Medicare patients12
Paid by Medicare$2,516
Procedure codes1
Dr. Trieu compared with the California median for internists, 2022
- Dr. Trieu
- California median
- Medicare services
- 25vs 36193% below
- Medicare patients
- 12vs 15192% below
- Part D claims
- 14vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Trieu's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Trieu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trieu and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lien Trieu treated 12 Medicare patients in 2024, average age 75
CMS counts 12 Medicare patients who saw Dr. Trieu in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Trieu's median patient age at 40, with 59% women.
Medicare patients, 202412
Average age75
Average risk score0.86
Dr. Trieu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Trieu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women59%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lien Trieu wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Trieu wrote 73 Medicare Part D claims for 14 patients. 81% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $124 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Part D claims, 202473
Drugs named by CMS1
Total drug cost$124
Part D patients14
Dr. Trieu's Part D claims by kind of drug, 2024
- Generic59 claims81%
- Brand-name and other14 claims19%
Dr. Trieu's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 122023: 1417%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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. Lien Trieu takes part in Medicare
Dr. Trieu 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. Lien Trieu has 2 publications on record
Dmand AI links 2 papers to Dr. Trieu in 2016. 2016 was the busiest year, with 2. The most frequent topics are Heart Failure and Stroke Volume. Dr. Trieu's most frequent co-authors are Thomas Peter Cappola, MD, Julio Alonso Chirinos, MD and Kenneth Ber Margulies, MD.
Papers2
Topics Dr. Trieu writes about most
- Heart Failure
- Stroke Volume
Dr. Trieu's most frequent co-authors
- Thomas Peter Cappola, MD2 shared papers
- Julio Alonso Chirinos, MD2 shared papers
- Kenneth Ber Margulies, MD2 shared papers
Recent publications by Dr. Trieu
J Am Heart Assoc
FibrosisHeartHeart Failure
See who Dr. Trieu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trieu works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lien Trieu received $384 in industry payments from 2022 to 2023
CMS Open Payments shows 3 general payments to Dr. Trieu from 2 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $262.
General payments to Dr. Trieu by program year, 2022 to 2023
Companies that paid Dr. Trieu the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lien Trieu'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) |
| 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) |
| 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. Lien Trieu
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. Lien Trieu's NPI number?
Dr. Lien Trieu's NPI number is 1487185120. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Lien Trieu?
Dr. Lien Trieu is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lien Trieu practice?
Dr. Trieu practices at 1 The Embarcadero, San Francisco, CA 94111. Dr. Trieu's primary practice is Montefiore Medical Center in San Francisco, California. Dmand AI also links Dr. Trieu to 2 group practices and clinics and 1 medical group.
What is Dr. Lien Trieu's office phone number?
The practice phone on file for Dr. Trieu is (888) 663-6331.
What is Dr. Lien Trieu's medical license number?
Dr. Trieu holds New York license 304350.
What medical group is Dr. Lien Trieu part of?
Dr. Trieu is linked to Montefiore Einstein Faculty Practice Group. Dmand AI links Dr. Trieu to 1 more medical group.
Does Dr. Lien Trieu accept Medicare?
Yes. CMS data shows Dr. Trieu billed Medicare for 25 services in 2022, and Dr. Trieu accepts Medicare assignment.
How many Medicare patients does Dr. Lien Trieu see?
CMS counts 12 Medicare patients who saw Dr. Trieu in 2024, with an average age of 75.
What services does Dr. Lien Trieu bill to Medicare?
In 2022, Dr. Trieu's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Lien Trieu prescribe most?
In 2023 Medicare Part D data, Dr. Trieu's most prescribed drugs by claims were Zolpidem Tartrate.
Show 4 more questionsShow fewer questions
Has Dr. Lien Trieu received payments from drug or device companies?
CMS Open Payments shows $384 in general payments to Dr. Trieu from 2 companies from 2022 to 2023. The largest total came from Novo Nordisk Inc.
How long has Dr. Lien Trieu been practicing?
Dr. Trieu graduated from medical school in 2017, 9 years ago.
Does Dr. Lien Trieu do research?
Dmand AI links 2 publications to Dr. Trieu.
Who does Dr. Lien Trieu publish with?
Dr. Trieu's most frequent co-authors are Thomas Peter Cappola, MD (2 shared papers), Julio Alonso Chirinos, MD (2 shared papers) and Kenneth Ber Margulies, MD (2 shared papers).
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