Leon Gu, MD
Family Medicine Physician · Deforest, WI
Leon Gu, MD is a family medicine physician with a practice address in Deforest, Wisconsin, and NPI 1780260604, issued on Mar 22, 2021. Check the license (Wisconsin 84611-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leon Gu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 84611-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4200 Savannah Dr, Deforest, WI 53532
- Phone
- (608) 417-3300
- Enumerated
- Mar 22, 2021
- Record last updated
- Sep 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20240923002259); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2017
- Entity
- Type 1 · individual
Also registered at 4200 Savannah Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Armstrong, LCSWClinical Social Worker1477102226
- John Bayer, PT/ATCPhysical Therapist1730256975
- Luciano BranchRegistered Nurse1245793637
- Cynthia DevinePhysical Therapy Assistant1740357060
- Catrina Heath, APNPFamily Nurse Practitioner1518326412
- Laura Jacques, MDObstetrics & Gynecology Physician1336335686
Verify Leon Gu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84611-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
131 Medicare Part D claims for 37 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $51.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Meriter Hospital IncDe Forest, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 family medicine physician records list a practice address in Deforest
They are 7 of the 115 NPPES records with a practice address in Deforest, and 3,765 family medicine physician records in Wisconsin.
All 7 in Deforest → All 3,765 in Wisconsin → Every provider in Deforest →
Other family medicine physician records in Wisconsin
- Ashraf AbbasAppleton, WI1558723775
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Emily Abeyta, MDWaukesha, WI1386905107
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Leon Gu, MD's NPI number?
Leon Gu, MD's National Provider Identifier (NPI) is 1780260604, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Leon Gu, MD located?
The NPPES record lists a practice address at 4200 Savannah Dr, Deforest, WI, 53532. Phone: (608) 417-3300. Providers update this record themselves, so call before visiting.
How can I verify Leon Gu, MD's license?
NPPES lists Wisconsin license number 84611-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leon Gu, MD prescribe under Medicare Part D?
In 2024, Leon Gu, MD had 131 Medicare Part D claims for 37 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.