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Surgical Oncology

Riom Kwakman, MD

Works at hospitals in Oconomowoc, WI · Waukesha, WI · Wisconsin

Summary

Riom Kwakman, MD (Surgical Oncology) is listed by Medicare at 2 hospitals in Oconomowoc, WI and Waukesha, WI. NPI 1952963811. 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 Riom Kwakman, 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

Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
MaleGender (as listed)
Waukesha Surgical Specialists, S.C.Group practice

Quick answers

Which hospitals does Riom Kwakman work at?
Medicare's official clinician data lists Riom Kwakman at 2 hospitals: Oconomowoc Memorial Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Riom Kwakman see patients?
Medicare's clinician data lists 1 practice location in Waukesha, WI. Call before your visit to confirm the address.
What is Riom Kwakman's specialty?
Medicare lists Surgical Oncology as the primary specialty, and also General Surgery.
Does Riom Kwakman accept Medicare assignment?
Yes. Medicare's clinician data says Riom Kwakman 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 Riom Kwakman?
(262) 542-0444, as listed in official Medicare / NPI Registry data.
What is Riom Kwakman's NPI number?
1952963811. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Riom Kwakman works

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

Group practices

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

  • Waukesha Surgical Specialists, S.C.18 clinicians in the group

Specialties

Find other Surgical Oncology doctors in Wisconsin →

Other surgical oncologists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All surgical oncologists in Wisconsin →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952963811
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