Medical Doctor Program year 2025 Reported 2019–2025 Source: CMS Open Payments, 2026 publication

Dat Duong

Geriatric Medicine Westminster, CA Medical Doctor

NPI 1689740912 CMS profile 167821

13926 Beach Blvd, Westminster, CA 92683

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General payments

$16,379

365 records reported · program years 2019–2025

Research payments

$0

Paid to them · None reported · program years 2019–2025

Ownership & investment interest

$0

None reported

Through program year 2025, Dat Duong of Westminster, CA is reported in the CMS Open Payments database as having received $16,379 across 365 general payments and $0 in research payments paid to them.

No combined total General, research and ownership are kept apart. Each is reported under its own rules, and ownership is not money that moved at all but the value of a stake held. A meal, a clinical trial grant and a shareholding do not add up to anything meaningful, so this site does not add them.

General payments for this record sit in the 96th percentile of Geriatric Medicine profiles with reported payments. Percentile describes the distribution, not the conduct.

By program year

7 rows
Year Kind Relative to this record's peak year Amount Records
2025 General $2,348 37
2024 General $3,502 57
2023 General $2,301 47
2022 General $2,527 65
2021 General $2,462 73
2020 General $1,270 41
2019 General $1,969 45

Beside peers

Year by year, beside peers General payments · among profiles paid that year
  • Dat Duong
  • Geriatric Medicine median
  • Middle half of Geriatric Medicine
  • National median

In program year 2025, general payments to Dat Duong were reported at $2,348. Among 1,028 Geriatric Medicine profiles paid that year, the median was $123 and the middle half received between $35 and $408.

Show as a table
Year Dat Duong Geriatric Medicine median Middle half National median
2019 $1,969 $122 $40–$435 $163
2020 $1,270 $98 $25–$349 $114
2021 $2,462 $125 $34–$441 $132
2022 $2,527 $124 $36–$408 $149
2023 $2,301 $121 $41–$383 $160
2024 $3,502 $134 $41–$435 $164
2025 $2,348 $123 $35–$408 $169

Breakdown

Who paid General payments · program years 2019–2025
  1. AstraZeneca Pharmaceuticals LP $3,295 90 payments
  2. Amgen Inc. $2,500 38 payments
  3. GlaxoSmithKline, LLC. $1,394 20 payments
  4. Novo Nordisk Inc $1,314 31 payments
  5. Boehringer Ingelheim Pharmaceuticals, Inc. $1,280 22 payments
  6. AbbVie, Inc. $860 30 payments
  7. Gilead Sciences, Inc. $854 8 payments
  8. Lilly USA, LLC $778 16 payments
  9. Janssen Pharmaceuticals, Inc $515 17 payments
  10. Amarin Pharma Inc. $461 24 payments
  11. Other $3,127 69 payments

Every payment, record by record

What the payments were for General payments · program years 2019–2025
  1. Food and Beverage $16,360 361 payments
  2. Education $18 3 payments
  3. Travel and Lodging $1 1 payment
Products named General payments · program years 2019–2025
  1. FARXIGA $1,910 54 payments
  2. JARDIANCE $966 16 payments
  3. RYBELSUS $943 28 payments
  4. TRELEGY ELLIPTA $902 15 payments
  5. Ozempic $820 27 payments
  6. BREZTRI $804 17 payments
  7. Otezla $735 14 payments
  8. Prolia $664 15 payments
  9. Vemlidy $644 5 payments
  10. Repatha $583 10 payments
  11. Other $8,160 250 payments

A payment can name more than one product, so these amounts overlap and do not add up to the general-payment figure.

Prescribing to Medicare patients

Part D · data year 2024 · 164 drugs

Part D claims

17,681

Median for Internal Medicine: 777

Drug cost

$2,240,297

Median for Internal Medicine: $73,373

Branded share of claims

20.8%

Median for Internal Medicine: 19.3%

Drugs this doctor was counted under in Medicare Part D 2024, by drug cost
Drug Type Relative to their largest Claims Drug cost
Jardiance Empagliflozin Brand 609 $603,690
Farxiga Dapagliflozin Propanediol Brand 304 $296,505
Trelegy Ellipta Fluticasone/Umeclidin/Vilanter Brand 121 $122,565
Prolia Denosumab Brand 55 $93,651
Januvia Sitagliptin Phosphate Brand 72 $83,366
Kerendia Finerenone Brand 79 $81,095
Eliquis Apixaban Brand 79 $73,318
Tradjenta Linagliptin Brand 114 $71,250
Rybelsus Semaglutide Brand 38 $69,389
Vascepa Icosapent Ethyl Brand 102 $67,895

The 10 drugs with the highest cost, of 164 counted.

Drug cost is what was paid for the drugs at the pharmacy — by Medicare, the patient and others — and is not money to the prescriber. Medicare Part D only: drugs dispensed to Medicare beneficiaries. A drug with fewer than 11 claims for this prescriber is not published, so a missing drug does not mean zero. The medians are for the 104,182 Part D prescribers listed as Internal Medicine; they describe a distribution and say nothing about conduct.

Billing to Medicare

Part B · data year 2024 · 23 billing codes

Paid by Medicare

$324,669

Of which drugs: $17,105

Medicare patients

371

Average age 76

Services billed

5,785

221 women, 150 men among their patients

Share of this provider's Medicare patients with each condition
Condition among their Medicare patients Relative to the most common Share of patients
High blood pressure 75%
Arthritis 60%
Diabetes 53%
Chronic kidney disease 32%
Osteoporosis 32%
Ischemic heart disease 31%
COPD 27%
Alzheimer's or dementia 21%
Drugs given in the clinic that this provider billed Medicare Part B for
Drug given in the clinic Where Patients Services Paid by Medicare
Vaccine for influenza for injection into muscle 90662 Office 207 207 $16,937

Medicare Part B only: services billed to Medicare. Rows covering fewer than 11 beneficiaries are not published. Only drugs given in the clinic are itemised here; the rest of what this provider billed is in the total above.

Payments and prescribing

First 5 of 20 products · payments 2024

Two separate records. The payments come from Open Payments and the claims from Medicare. They are set side by side because they name the same product; they do not show that a payment affected a prescription.

Products this doctor was paid in connection with in 2024, beside Medicare claims for the same product
Product Paid by Related payments Part D claims Part B services
JARDIANCE
  • Boehringer Ingelheim Pharmaceuticals, Inc. $284
  • Lilly USA, LLC $151
$436 609 —
VOQUEZNA
  • Phathom Pharmaceuticals, Inc. $372
$372 — —
Otezla
  • Amgen Inc. $306
$306 — —
FARXIGA
  • AstraZeneca Pharmaceuticals LP $297
$297 304 —
Vemlidy
  • Gilead Sciences, Inc. $274
$274 25 —

A dash means Medicare published no figure for this doctor and product — fewer than 11 claims, or the product is not covered under that part — which is not the same as none. Payments are general payments only; one that names several products is split evenly between them, so an amount is payments related to the product, not money paid for it.

See all 20 in the dashboard with a free account

Records

365 reported

Every payment, record by record

Date, company, amount, what it was for and the product named — filter by year, kind and company, or download as CSV.

Other Geriatric Medicine in California

Related records

What this means

U.S. law requires drug and medical device manufacturers to report payments and transfers of value they make to physicians and teaching hospitals. The Centers for Medicare & Medicaid Services publishes that record each year. This page shows what was reported about this person, and nothing else.

An ownership interest is different from the other two. It is not a payment: it is a stake — shares, options, a partnership holding — that a physician or an immediate family member held in a manufacturer during that year. The figure shown is what the stake was reported to be worth.

Research payments frequently pass through a clinician to the institution running a trial, and rarely represent personal income. They should be read differently from general payments.

Provenance

Source: CMS Open Payments · through program year 2025

Data current to program year 2025, from CMS's 2026 publication.

We reproduce what manufacturers reported. We do not verify, edit or correct the underlying records.

A payment record is not evidence of wrongdoing. Financial relationships between industry and medicine are legal, common and often necessary for research. Who Paid My Doc reports what was disclosed; it does not judge it.

Who Paid My Doc is independent and is not affiliated with, endorsed by or sponsored by CMS or any U.S. government agency. It is not a consumer reporting agency and this is not a consumer report; do not use it for decisions covered by the Fair Credit Reporting Act.

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