John-Jeremiah Kretchy, MD
Hospitalist Physician · Appleton, WI
John-Jeremiah Kretchy, MD is a hospitalist physician with a practice address in Appleton, Wisconsin, and NPI 1487902805, issued on Aug 15, 2012. Check the license (Wisconsin 64203, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John-Jeremiah Kretchy
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 64203 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1818 N Meade St, Appleton, WI 54911
- Phone
- (920) 735-7645
- Enumerated
- Aug 15, 2012
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (920) 735-7618
- Medicare enrollment
- Enrolled (PECOS I20151028001445); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 1818 N Meade St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John-Jeremiah Kretchy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average hospitalist physician in 2024
453 Medicare Part D claims for 124 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis29 claims
- Pantoprazole Sodium24 claims
- Furosemide22 claims
- Atorvastatin Calcium19 claims
- Amlodipine Besylate17 claims
- Metoprolol Tartrate16 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 6 group practices
- Ascension Medical Group-Fox Valley Wisconsin IncAppleton, WI
- Ascension Medical Group-Southeast Wisconsin IncMilwaukee, WI
- Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Rhinelander, WI
- Aspirus Stevens Point Hospital And Clinics, Inc.Stevens Point, WI
- Aspirus Wausau Hospital IncWausau, WI
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John-Jeremiah Kretchy among 894 hospitalist physician records in Wisconsin
John-Jeremiah Kretchy, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 42% of them.
- NPI issued2012 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2004 · median 2011 among the 768 with a school on file
- Record last updated2021 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 hospitalist physician records list a practice address in Appleton
They are 45 of the 3,249 NPPES records with a practice address in Appleton, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Appleton → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Maria Akhutina, MDAppleton, WI 549111164652673
- Syed Ali, M.D.Appleton, WI 549111023207586
- James Bargenquast, MDAppleton, WI 549111386689537
- Suranga Dharmaratne, MDAppleton, WI 549111124321658
- Luiza-Irina Florescu, MDAppleton, WI 549111093820177
- Michael Hooker, D.O.Appleton, WI 549111689679953
- Anthony Marquis, M.D.Appleton, WI 549111679898233
- Norma Osborne, MDAppleton, WI 549111710904784
Common questions
What is John-Jeremiah Kretchy, MD's NPI number?
John-Jeremiah Kretchy, MD's National Provider Identifier (NPI) is 1487902805, issued on Aug 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John-Jeremiah Kretchy, MD located?
The NPPES record lists a practice address at 1818 N Meade St, Appleton, WI, 54911. Phone: (920) 735-7645. Providers update this record themselves, so call before visiting.
How can I verify John-Jeremiah Kretchy, MD's license?
NPPES lists Wisconsin license number 64203, 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-Jeremiah Kretchy, MD prescribe under Medicare Part D?
In 2024, John-Jeremiah Kretchy, MD had 453 Medicare Part D claims for 124 beneficiaries; the average among hospitalist physician prescribers was 521. 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.