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Internal Medicine

Roger Watson, MD

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

Summary

Roger Watson, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Oconomowoc, WI and Waukesha, WI. NPI 1932172327. 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 Roger Watson, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityMedical school
MaleGender (as listed)
Prohealth Medical Group IncGroup practice

Quick answers

Which hospitals does Roger Watson work at?
Medicare's official clinician data lists Roger Watson 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 Roger Watson see patients?
Medicare's clinician data lists 7 practice locations, including Oconomowoc, WI, Hartland, WI and Delafield, WI. Call before your visit to confirm the address.
What is Roger Watson's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Roger Watson accept Medicare assignment?
Yes. Medicare's clinician data says Roger Watson 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 Roger Watson?
(262) 928-8400, as listed in official Medicare / NPI Registry data.
What is Roger Watson's NPI number?
1932172327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roger Watson works

Medicare's Facility Affiliation Data lists Roger Watson 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 Roger Watson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Prohealth Medical Group Inc479 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Oconomowoc

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

All internal medicine doctors in Oconomowoc →

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932172327
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