FDA action counts
| Total FDA actions | 1 |
|---|---|
| Warning letters | 0 |
| Recalls | 0 |
| Approval records | 0 |
| Form 483 inspection citations | 1 |
| Most recent action | March 3, 2026 |
Enforcement history
On 2026-03-03, Argus HQ recorded an FDA Form 483 inspection citation for Dennis J . Hsu, M.D., rated "high" severity in Argus HQ's classification: Dennis J . Hsu, M.D. -- FDA 483: 1 observation (2026-03-03). Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures. This page reflects only the FDA event types Argus HQ currently tracks -- FDA Warning Letters, recalls, drug and biologic approvals, and Form 483 inspection observations -- and will update automatically as new FDA records are observed. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures. This page reflects only the FDA event types Argus HQ currently tracks -- FDA Warning Letters, recalls, drug and biologic approvals, and Form 483 inspection observations -- and will update automatically as new FDA records are observed. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures. This page reflects only the FDA event types Argus HQ currently tracks -- FDA Warning Letters, recalls, drug and biologic approvals, and Form 483 inspection observations -- and will update automatically as new FDA records are observed. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures. This page reflects only the FDA event types Argus HQ currently tracks -- FDA Warning Letters, recalls, drug and biologic approvals, and Form 483 inspection observations -- and will update automatically as new FDA records are observed.
Risk pattern analysis
Argus HQ analysis — not an FDA finding
This section is Argus HQ analysis, not an FDA finding. Dennis J . Hsu, M.D. has 1 FDA event on file. A pattern across multiple FDA touchpoints does not by itself establish that any specific product currently poses a risk; it reflects only the frequency of FDA engagement with this company as recorded in Argus HQ's database. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures. This page reflects only the FDA event types Argus HQ currently tracks -- FDA Warning Letters, recalls, drug and biologic approvals, and Form 483 inspection observations -- and will update automatically as new FDA records are observed. Argus HQ does not independently verify FDA's underlying findings; this page summarizes what FDA has published and links back to the original FDA source for each event. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures.
Frequently asked questions
- Is this FDA enforcement data for Dennis J . Hsu, M.D. official?
- Every record links directly to its primary FDA.gov source. Argus HQ aggregates and structures public FDA data; the verbatim FDA record is always the source of truth.
- How many FDA actions has Dennis J . Hsu, M.D. had?
- Argus HQ has recorded 1 FDA events for Dennis J . Hsu, M.D.: 0 warning letters, 0 recalls, 0 approvals, and 1 Form 483 inspection observations. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures.
- What is the most recent FDA action against Dennis J . Hsu, M.D.?
- The most recent FDA event Argus HQ has on file for Dennis J . Hsu, M.D. is dated 2026-03-03, with a severity rating of "high" in Argus HQ's classification. Argus HQ ingests these records directly from FDA's own public enforcement and approval databases rather than from company disclosures.
- Does Argus HQ track new FDA actions for Dennis J . Hsu, M.D. automatically?
- Yes. Argus HQ ingests FDA sources daily, including FDA warning letters, recalls, drug and biologic approvals, and Form 483 inspection observations. When a new FDA action linked to Dennis J . Hsu, M.D. is observed, this page's event count and history update automatically.
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Compiled by Argus HQ Research from FDA primary sources · Reviewed by Andy Gaber, Founder
Cite this record
Reusing this data in reporting or research? Here’s a ready-made citation.
Argus HQ Research (2026). Dennis J . Hsu, M.D.'s Complete FDA Record. Digital Empire LLC. Retrieved from https://argushq.ai/company/dennis-j-hsu-m-d
"Dennis J . Hsu, M.D.'s Complete FDA Record." Argus HQ Research, Digital Empire LLC, 2026, argushq.ai/company/dennis-j-hsu-m-d.
Argus HQ Research. "Dennis J . Hsu, M.D.'s Complete FDA Record." Digital Empire LLC. Accessed July 13, 2026. https://argushq.ai/company/dennis-j-hsu-m-d.
@misc{argushq_argushq_ai_company_dennis_j_hsu_m_d_2026,
title = {Dennis J . Hsu, M.D.'s Complete FDA Record},
author = {{Argus HQ Research}},
year = {2026},
publisher = {Digital Empire LLC},
url = {https://argushq.ai/company/dennis-j-hsu-m-d},
note = {Accessed: July 13, 2026}
}Source: FDA.gov (aggregated across Warning Letters, Recalls, Approvals, Form 483s) ↗