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

Hospitalist

Jeffrey Kao, MD

Works at hospitals in Portage, WI · Fort Atkinson, WI · Beaver Dam, WI … · Wisconsin

Summary

Jeffrey Kao, MD (Hospitalist) is listed by Medicare at 5 hospitals in Portage, WI, Fort Atkinson, WI and Beaver Dam, WI and other places. NPI 1659573244. 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 Jeffrey Kao, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
MaleGender (as listed)
Dean Health Systems IncGroup practice

Quick answers

Which hospitals does Jeffrey Kao work at?
Medicare's official clinician data lists Jeffrey Kao at 5 hospitals: Aspirus Divine Savior Hospital, Fort Memorial Hospital, Marshfield Medical Center - Beaver Dam (MMC-BD), SSM Health St Clare Hospital - Baraboo and SSM Health St Mary's Hospital - Madison. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jeffrey Kao see patients?
Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
What is Jeffrey Kao's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Jeffrey Kao accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey Kao 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 Jeffrey Kao?
(608) 260-2900, as listed in official Medicare / NPI Registry data.
What is Jeffrey Kao's NPI number?
1659573244. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jeffrey Kao works

Medicare's Facility Affiliation Data lists Jeffrey Kao 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 Jeffrey Kao is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jeffrey Kao as a member of this group (CMS data updated 2026-10-02).

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other Hospitalist doctors in Wisconsin →

Other hospitalists in Madison

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

All hospitalists in Madison →

Clinician information

CredentialMD
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659573244
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