Gary Leong, MD
Family Medicine Physician · De Pere, WI
Gary Leong, MD is a family medicine physician with a practice address in De Pere, Wisconsin, and NPI 1801870514, issued on Dec 6, 2005. Check the license (Wisconsin 37143, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary Leong
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37143 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Lawrence Dr, De Pere, WI 54115
- Phone
- (920) 983-3220
- Enumerated
- Dec 6, 2005
- Record last updated
- Mar 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1800 Lawrence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lesley Kieffer, DOFamily Medicine Physician1053638916
Verify Gary Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gary Leong among 3,765 family medicine physician records in Wisconsin
Gary Leong, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 family medicine physician records list a practice address in De Pere
They are 29 of the 621 NPPES records with a practice address in De Pere, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in De Pere → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Asma, MDDe Pere, WI 541151639103187
- Michael Hodulik, M.D.De Pere, WI 541151295784544
- James Joyce, MDDe Pere, WI 541151326017724
- Cynthia Lasecki, MDDe Pere, WI 541151871577577
- Kristen Lindgren, MDDe Pere, WI 541151740214022
- Michael Meyer, MDDe Pere, WI 541151487639761
- Steven Novotny, MDDe Pere, WI 541151427032069
- Stephen Perry, DODe Pere, WI 541151164456455
Common questions
What is Gary Leong, MD's NPI number?
Gary Leong, MD's National Provider Identifier (NPI) is 1801870514, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary Leong, MD located?
The NPPES record lists a practice address at 1800 Lawrence Dr, De Pere, WI, 54115. Phone: (920) 983-3220. Providers update this record themselves, so call before visiting.
How can I verify Gary Leong, MD's license?
NPPES lists Wisconsin license number 37143, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.