Provider Profile
Based in Milwaukee, WI, Gregory Larrieux is listed in the NPI registry under transplant surgery. Gregory is also listed as specializing in surgery. According to Medicare claims data, Gregory cared for 64 Medicare patients across 168 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope.
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.
9200 W WISCONSIN AVE
Milwaukee, WI 53226
168 services · 64 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | Procedure | 52310 |
13 | Too few peers to compare |
| Insertion of stent in ureter | Procedure | 50605 |
11 | Less often than most peers in Transplant Surgery |
| Transplantation of donor kidney | Procedure | 50360 |
11 | Less often than most peers in Transplant Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
79 | As often as other peers in Transplant Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
54 | More often than most peers in Transplant Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gregory Larrieux is a transplant surgeon in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Transplant Surgery”.
NPI registry
Gregory Larrieux is listed at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (414) 805-8632. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gregory Larrieux's National Provider Identifier is 1699118174. 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 Larrieux attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Gregory Larrieux has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregory Larrieux performs procedures including simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope, insertion of stent in ureter and transplantation of donor kidney, alongside routine visits and testing. 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 Larrieux. 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.