Provider Profile
Gregory Mayzus, PA is a physician assistant based in Elkhorn, WI. According to Medicare claims data, the services billed most often include hospital discharge day management, more than 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
W3985 COUNTY ROAD NN
Elkhorn, WI 53121
16 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
16 | 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.
Gregory Mayzus is a physician assistant in Elkhorn, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Gregory Mayzus is listed at W3985 County Road Nn, Elkhorn, WI 53121. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (262) 741-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gregory Mayzus's National Provider Identifier is 1851164891. 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
Gregory Mayzus attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Gregory Mayzus has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregory Mayzus 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 Gregory Mayzus. 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.