Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John-Jeremiah Kretchy, MD

Individual provider Internal Medicine Physician · NPI 1487902805

Dr. John-Jeremiah Kretchy, MD is a Hospitalist in Appleton, Wisconsin. Qualified in 2004, 22 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
22
Licensed in
WI
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1818 N Meade St
Appleton, WI 54911-3454
Phone: (920) 735-7645
Fax: (920) 735-7618
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 130 2nd St, Neenah, WI 54956-2883 — (920) 729-2738

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 64203 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 64203 (WI)

Record details

NPI number1487902805
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2012
Last updated in NPPESDecember 1, 2021
Certification dateDecember 1, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Other providers in Appleton