Provider Profile
Listed in the NPI registry as a physician assistant, Hilary Williamson practices in Dayton, OH. According to Medicare claims data, the services billed most often include coronary artery bypass using artery graft, 1 graft.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
30 E APPLE ST STE 1480
Dayton, OH 45409
1 Childrens Plz
Dayton, OH 45404
24 services · 24 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
24 | More 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.
Hilary Williamson is a physician assistant in Dayton, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Hilary Williamson is listed at 30 E Apple St Ste 1480, Dayton, OH 45409. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (937) 208-3220. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Hilary Williamson's National Provider Identifier is 1174061667. 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
Hilary Williamson has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Hilary Williamson performs procedures including coronary artery bypass using artery graft, 1 graft. 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 Hilary Williamson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.