Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Jayzon P. Martonito, MD

Works at hospitals in Oshkosh, WI · Wisconsin

Summary

Jayzon P. Martonito, MD (Family Practice) is listed by Medicare at 1 hospital in Oshkosh, WI. NPI 1306099676. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jayzon P. Martonito, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
MaleGender (as listed)
Aurora Medical Group, Inc.Group practice

Quick answers

Which hospitals does Jayzon P. Martonito work at?
Medicare's official clinician data lists Jayzon P. Martonito at 1 hospital: Aurora Medical Center Oshkosh. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jayzon P. Martonito see patients?
Medicare's clinician data lists 1 practice location in Oshkosh, WI. Call before your visit to confirm the address.
What is Jayzon P. Martonito's specialty?
Medicare lists Family Practice as the primary specialty.
Does Jayzon P. Martonito accept Medicare assignment?
Yes. Medicare's clinician data says Jayzon P. Martonito accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jayzon P. Martonito?
(920) 303-8700, as listed in official Medicare / NPI Registry data.
What is Jayzon P. Martonito's NPI number?
1306099676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jayzon P. Martonito works

Medicare's Facility Affiliation Data lists Jayzon P. Martonito at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jayzon P. Martonito is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jayzon P. Martonito as a member of this group (CMS data updated 2026-10-02).

  • Aurora Medical Group, Inc.3,813 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Oshkosh

Clinicians with the same Medicare primary specialty in Oshkosh, WI — not a recommendation.

All family doctors in Oshkosh →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306099676
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians