Provider Profile
Margaret ANH NGUYEN Dziat, AA-C is a physician assistant practicing in Modesto, CA. Margaret is also listed as specializing in physician assistant — medical. Medicare claims data shows Margaret provided 48 services to 48 patients. The services billed most often include emergency department visit with moderate level of medical decision making and emergency department visit with high level of medical decision making. This provider record is associated with NPI 1760120927.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3105 MCHENRY AVE STE 101
Modesto, CA 95350
48 services · 48 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
33 | As often as other peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
15 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Margaret ANH NGUYEN Dziat is a physician assistant in Modesto, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Margaret ANH NGUYEN Dziat is listed at 3105 Mchenry Ave Ste 101, Modesto, CA 95350. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (209) 575-2700. Contact the office directly to confirm availability and scheduling.
NPI registry
Margaret ANH NGUYEN Dziat's National Provider Identifier is 1760120927. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Margaret ANH NGUYEN Dziat attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Margaret ANH NGUYEN Dziat has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Margaret ANH NGUYEN Dziat the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Margaret ANH NGUYEN Dziat. If this is you, claiming it is free.
Guide.md
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