Gregory Larrieux
Transplant Surgery Physician · Milwaukee, WI
Gregory Larrieux is a transplant surgery physician with a practice address in Milwaukee, Wisconsin, and NPI 1699118174, issued on Apr 15, 2013. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Larrieux
- Primary taxonomy
- Transplant Surgery Physician 204F00000X
- License numbers
- MD2021-0736 NM
65599 MN
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-8632
- Enumerated
- Apr 15, 2013
- Record last updated
- Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210723002081); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest transplant surgery physician records → All 42 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Gregory Larrieux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average transplant surgery physician in 2024
169 Medicare Part D claims for 36 beneficiaries, against an average of 260 among the 541 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 23 claims were for opioids.
Most prescribed
- Sulfamethoxazole-Trimethoprim22 claims
- Valganciclovir Hcl19 claims
- Amlodipine Besylate18 claims
- Carvedilol16 claims
- Nano 2nd Gen Pen Needle15 claims
- Oxycodone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Presbyterian Healthcare ServicesAlbuquerque, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Larrieux among 42 transplant surgery physician records in Wisconsin
Gregory Larrieux is one of 42 transplant surgery physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 55% of them.
- NPI issued2013 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2013 · median 2007 among the 32 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Transplant Surgery Physician providers in Wisconsin
There are 42 transplant surgery physician records in Wisconsin.
All 42 in Wisconsin → Every provider in Milwaukee → Transplant Surgery Physician nationwide →
The 8 transplant surgery physician records with the nearest ZIP codes
- Emre Arpali, MDMilwaukee, WI 532261841077021
- Narendra Battula, MDMilwaukee, WI 532261366825408
- Prakash Chauhan, MDMilwaukee, WI 532261851160022
- Matthew Cooper, M.D.Milwaukee, WI 532261740204965
- Ty Dunn, MDMilwaukee, WI 532261164423893
- Calvin Eriksen, MDMilwaukee, WI 532261194967000
- Ryan Helmick, MDMilwaukee, WI 532261972792117
- Gelu Osian, M.D.Milwaukee, WI 532261396991857
Common questions
What is Gregory Larrieux's NPI number?
Gregory Larrieux's National Provider Identifier (NPI) is 1699118174, issued on Apr 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Larrieux located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-8632. Providers update this record themselves, so call before visiting.
How can I verify Gregory Larrieux's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Larrieux prescribe under Medicare Part D?
In 2024, Gregory Larrieux had 169 Medicare Part D claims for 36 beneficiaries; the average among transplant surgery physician prescribers was 260. Part D covers Medicare prescriptions only.
What is Gregory Larrieux's MIPS final score?
The 2023 MIPS final score is 83.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.