John M. Leschke, MD
Anesthesiology Physician · Oshkosh, WI
John M. Leschke, MD is an anesthesiology physician with a practice address in Oshkosh, Wisconsin, and NPI 1083653125, issued on Jun 5, 2006. Check the license (Wisconsin 27019020, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John M. Leschke
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 27019020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 500 S Oakwood RD, Oshkosh, WI 54904
- Phone
- (920) 223-2000
- Enumerated
- Jun 5, 2006
- Record last updated
- Jul 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 30816200 WI
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 500 S Oakwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deanna BrewerPhysical Therapy Assistant1093929796
Verify John M. Leschke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 27019020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John M. Leschke among 1,313 anesthesiology physician records in Wisconsin
John M. Leschke, MD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% 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 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Wisconsin
There are 1,313 anesthesiology physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,313 in Wisconsin → Every provider in Oshkosh → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Margaret Berdelman, MDOshkosh, WI 549041720097355
- Jared BurtonOshkosh, WI 549041700057395
- Pawel Galazka, MDOshkosh, WI 549041992751531
- Pedro Guevara, MDOshkosh, WI 549041679523328
- Joseph Hardage, M.D.Oshkosh, WI 549041063456614
- Joseph Leschke, DOOshkosh, WI 549041316332125
- Donald McDonald, MDOshkosh, WI 549041326087446
- Caroline McDonald, MDOshkosh, WI 549041316054885
Common questions
What is John M. Leschke, MD's NPI number?
John M. Leschke, MD's National Provider Identifier (NPI) is 1083653125, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Leschke, MD located?
The NPPES record lists a practice address at 500 S Oakwood RD, Oshkosh, WI, 54904. Phone: (920) 223-2000. Providers update this record themselves, so call before visiting.
How can I verify John M. Leschke, MD's license?
NPPES lists Wisconsin license number 27019020, 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.