Summary

Dr. Avi Bernstein is an internal medicine physician who earned his medical degree from the Medical College of Wisconsin. With 20 years of experience in practice, he has developed expertise in managing complex medical conditions that require comprehensive care. Dr. Bernstein is fluent in both English and German, allowing him to serve patients from diverse backgrounds.

Dr. Bernstein practices at multiple Ascension healthcare locations throughout Wisconsin, including Milwaukee, Germantown, Mequon, and Menomonee Falls. He specializes in treating serious conditions such as chronic kidney disease and heart failure, providing ongoing care for patients with these complex health challenges. His practice includes performing blood tests and complete blood counts to monitor patient health. Patients consistently rate his care highly, with an average rating of 4.9 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 20 years of experience
  • speaks English, German
  • Medical College Of Wisconsin
  • 5 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 7 hospital affiliations
  • 7 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Avi Nathan Bernstein has 7 locations

Ascension

N112W15415 Mequon RdGermantown, WI 53022
Mon8:00 am - 7:00 pm
Tue8:00 am - 7:00 pm
Wed8:00 am - 7:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 7:00 pm
Sat8:30 am - 12:00 pm
Sun12:00 pm - 4:00 pm

Ascension Wisconsin Hospital

N88w14275 Main StMenomonee Falls, WI 53051

Ascension

13133 N Port Washington Rd Ste G-18Mequon, WI 53097
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Madison Medical Affiliates

13133 N Port Washington Rd Ste G-18Mequon, WI 53097
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Ascension Columbia Saint Marys Germantown Clinic

N112W15415 Mequon RdGermantown, WI 53022
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Avi Nathan Bernstein, MDDr. Yogi Gundamraj, MDDr. Adewumi Bakare DMSc, PA-CEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
20 Years of Experience 29 Years of Experience 5 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, German Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English
Milwaukee , WIBrookfield , WIMesquite , TXLyons , CO
Med School: Medical College Of Wisconsin Med School: Spartan Health Sciences University School Of Medicine Med School: University of Lynchburg - DMSc Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Avi Nathan Bernstein

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Avi Nathan Bernstein has the following specialty

Specialty Expertise

Dr. Avi Nathan Bernstein has the following 13 areas of expertise

  • Acne (Acne Vulgaris)
  • Asthma
  • Check-up
  • Dementia Related Behavioral Disorders
  • Diabetes
  • Heartburn
  • Immunization
  • Physical
  • Smoking Cessation
  • Urinary Incontinence
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

20 Years Experience

Dr. Avi Nathan Bernstein holds an expired medical license in the state of Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025.

Education & Training

Medical School

Graduated from Medical College Of Wisconsin in 2006.

NPI Number

Dr. Bernstein's NPI number is 1972643252.

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Frequently Asked Questions

Is Dr. Avi Bernstein accepting new patients?
Dr. Avi Bernstein is accepting new patients on Vitals. View Dr. Avi Bernstein's profile on Vitals to make an appointment.
Does Dr. Avi Bernstein accept virtual/telehealth appointments?
Dr. Avi Bernstein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Avi Bernstein speak?
Dr. Avi Bernstein speaks English and German.
Does Dr. Avi Bernstein accept my insurance?
You can see the insurance plans that Dr. Avi Bernstein accepts on their Vitals profile.
Which hospitals is Dr. Avi Bernstein affiliated with?
Dr. Avi Bernstein is affiliated with Ascension Se Wisconsin Hospital Saint Joseph Campus, Ascension Columbia Saint Marys Hospital Ozaukee, Ascension Columbia Saint Marys Hospital Ozaukee Birthing Center, Ascension Columbia Saint Marys Womens Medical Center, ASCENSION WISCONSIN HOSPITAL, Aurora Medical Center In Grafton, and FROEDTERT COMMUNITY HOSPITAL MEQUON.

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