John N. Korger, MD
Child & Adolescent Psychiatry Physician · Oshkosh, WI
John N. Korger, MD is a child & adolescent psychiatry physician with a practice address in Oshkosh, Wisconsin, and NPI 1952315723, issued on Jul 28, 2006. Check the license (Wisconsin 32203, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John N. Korger
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 32203 WI
Self-reported in NPPES; status is on the state search - Practice location
- 855 N Westhaven Dr, Oshkosh, WI 54904
- Phone
- (920) 303-8700
- Enumerated
- Jul 28, 2006
- Record last updated
- Nov 8, 2023
- Medicaid ID
- 31723800 WI
- Medicare enrollment
- Enrolled (PECOS I20100306000177); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 134 in Wisconsin → Look up another NPI →
Also registered at 855 N Westhaven Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ammar Alzoubi, MDInternal Medicine Physician1598773152
Verify John N. Korger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
935 Medicare Part D claims for 32 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Quetiapine Fumarate Er70 claims
- Olanzapine60 claims
- Clonazepam55 claims
- Buspirone Hcl49 claims
- Quetiapine Fumarate39 claims
- Venlafaxine Hcl Er38 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Oshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John N. Korger among 134 child & adolescent psychiatry physician records in Wisconsin
John N. Korger, MD is one of 134 child & adolescent psychiatry physician records with a practice address in Wisconsin. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 49% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1985 · median 2001 among the 59 with a school on file
- Record last updated2023 · 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 2084P0804X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Wisconsin
There are 134 child & adolescent psychiatry physician records in Wisconsin.
All 134 in Wisconsin → Every provider in Oshkosh → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Richa Aggarwal, MDAppleton, WI 549141578761797
- Mark Rovick, D.O.Appleton, WI 549141003866864
- Eric Rueff, D.O.Appleton, WI 549141891085130
- Robert Perzacki, M.D.Menasha, WI 549521396761276
- Louis Fulton, MDWinnebago, WI 549851093702383
- Kayla Pope, MDWinnebago, WI 549851598984346
- Scott Schmidt, D.O.Eau Claire, WI 547031033421854
- Nino Vidic, M.D.Eau Claire, WI 547011467442921
Common questions
What is John N. Korger, MD's NPI number?
John N. Korger, MD's National Provider Identifier (NPI) is 1952315723, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John N. Korger, MD located?
The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 303-8700. Providers update this record themselves, so call before visiting.
How can I verify John N. Korger, MD's license?
NPPES lists Wisconsin license number 32203, 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 John N. Korger, MD prescribe under Medicare Part D?
In 2024, John N. Korger, MD had 935 Medicare Part D claims for 32 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.