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Internal Medicine

Aderson Joseph, MD

Works at hospitals in Medford, WI · Merrill, WI · Rhinelander, WI … · Wisconsin

Summary

Aderson Joseph, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Medford, WI, Merrill, WI and Rhinelander, WI and other places. NPI 1992332241. 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 Aderson Joseph, 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
6Years since medical school (graduated 2020)
MaleGender (as listed)
Aspirus Wausau Hospital IncGroup practice

Quick answers

Which hospitals does Aderson Joseph work at?
Medicare's official clinician data lists Aderson Joseph at 5 hospitals: Aspirus Medford Hospital & Clinics, Inc, Aspirus Merrill Hospital, Aspirus Rhinelander Hospital, Aspirus Riverview Hospital & Clinics Inc and Aspirus Wausau Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aderson Joseph see patients?
Medicare's clinician data lists 1 practice location in Wausau, WI. Call before your visit to confirm the address.
What is Aderson Joseph's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Aderson Joseph accept Medicare assignment?
Yes. Medicare's clinician data says Aderson Joseph 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 Aderson Joseph?
(715) 847-2866, as listed in official Medicare / NPI Registry data.
What is Aderson Joseph's NPI number?
1992332241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aderson Joseph works

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

Group practices

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

  • Aspirus Wausau Hospital Inc237 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Wausau

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

All internal medicine doctors in Wausau →

Clinician information

CredentialMD
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992332241
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