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General Surgery

David L. Rainiero, MD

Works at hospitals in Janesville, WI · Stoughton, WI · Wisconsin

Summary

David L. Rainiero, MD (General Surgery) is listed by Medicare at 2 hospitals in Janesville, WI and Stoughton, WI. NPI 1679534234. 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 David L. Rainiero, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
MaleGender (as listed)
Dean Health Systems IncGroup practice

Quick answers

Which hospitals does David L. Rainiero work at?
Medicare's official clinician data lists David L. Rainiero at 2 hospitals: SSM Health St Mary's Hospital - Janesville and Stoughton Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David L. Rainiero see patients?
Medicare's clinician data lists 1 practice location in Janesville, WI. Call before your visit to confirm the address.
What is David L. Rainiero's specialty?
Medicare lists General Surgery as the primary specialty.
Does David L. Rainiero accept Medicare assignment?
Yes. Medicare's clinician data says David L. Rainiero 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 David L. Rainiero?
(608) 371-8000, as listed in official Medicare / NPI Registry data.
What is David L. Rainiero's NPI number?
1679534234. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David L. Rainiero works

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

Group practices

Medicare enrollment lists David L. Rainiero as a member of this group (CMS data updated 2026-10-02).

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other General Surgery doctors in Wisconsin →

Other general surgeons in Janesville

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

All general surgeons in Janesville →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679534234
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