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Internal Medicine

Avi N. Bernstein, MD

Works at hospitals in Park Ridge, IL · Milwaukee, WI · Illinois, Wisconsin

Summary

Avi N. Bernstein, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Park Ridge, IL and Milwaukee, WI. NPI 1972643252. 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 Avi N. Bernstein, 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
YesOffers telehealth
20Years since medical school (graduated 2006)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Madison Medical Affiliates IncGroup practice

Quick answers

Which hospitals does Avi N. Bernstein work at?
Medicare's official clinician data lists Avi N. Bernstein at 2 hospitals: Advocate Lutheran General Hospital and Ascension Columbia St Marys Hospital Milwaukee. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Avi N. Bernstein see patients?
Medicare's clinician data lists 1 practice location in Mequon, WI. Call before your visit to confirm the address.
What is Avi N. Bernstein's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Avi N. Bernstein accept Medicare assignment?
Yes. Medicare's clinician data says Avi N. Bernstein 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.
Does Avi N. Bernstein offer telehealth?
Medicare's clinician data says Avi N. Bernstein offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Avi N. Bernstein?
(262) 243-5000, as listed in official Medicare / NPI Registry data.
What is Avi N. Bernstein's NPI number?
1972643252. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Avi N. Bernstein works

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

Group practices

Medicare enrollment lists Avi N. Bernstein as a member of this group (CMS data updated 2026-10-02).

  • Madison Medical Affiliates Inc86 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Mequon

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

All internal medicine doctors in Mequon →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972643252
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