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Practice Focus Areas

This medical professional has a particular interest or expertise in:

Arthroscopic Surgery - Shoulder
Arthroscopy - Elbow
Elbow Replacement
Elbow Surgery
Reverse Total Shoulder Arthroplasty
Rotator Cuff Surgery
Shoulder Replacement
Shoulder Surgery

Reasons to Schedule a Visit

This medical professional may be a good choice for you if you are looking for care for any of the following:

Arthritis
Biceps, triceps or pectoral problem
Elbow pain

Pain
Shoulder replacement - new replacement
Tendonitis or tennis elbow

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Education

Medical Education:: MD, George Washington University School of Medicine and Health Sciences - 1989
Internship:: George Washington University - 1990
Residency:: George Washington University - 1994
Fellowships:: New York Presbyterian Hospital (Columbia Campus) - 1995

Board Certifications

American Board of Orthopaedic Surgery - Orthopaedic Surgery (Certified)

Faculty Profile

Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:: Northwestern Medical Group
Alignment Category:: Northwestern Medicine Physician Network
On Medical Staff At:: Northwestern Memorial Hospital

Ratings and Reviews

At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.

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Overall Rating

4.8

4.8

306 Ratings

Reviews from Patients

45 Reviews

Reviews from Patients

45 Reviews

February 09, 2026

5.0

He takes pride in what he does

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February 09, 2026

5.0

Dr. Yamaguchi truly cares about my well being. He listens patiently to my questions & concerns. I feel like Dr. Yamaguchi thinks I am the most important person in the world. He really cares that I am in excruciating pain.

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February 06, 2026

5.0

He is an incredible orthopedic surgeon. My recovery has been impressive, especially compared to my peers with other surgeons.

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February 04, 2026

4.0

Friendly

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February 02, 2026

5.0

He was very knowledgeable and answered my many questions. He was very down-to-earth and relatable, not arrogant like some surgeons I've encountered. He did a good job of telling me what to expect.

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January 23, 2026

5.0

Clearly explains options and provides the information needed to make informed decisions.

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January 19, 2026

5.0

Dr Yamaguchi and his team are the best. This has been much easier than expected.

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January 19, 2026

5.0

Dr. Yamaguchi was very professional. He asked me questions, listened attentively and examined me in a clinical and compassionate manner. Once he shared the diagnosis of my condition, his explanation was simple but scientifically thorough and the treatment options were explained with candor and confidence. I greatly appreciated his bedside manner.

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January 16, 2026

5.0

Fantastic Dr. his confidence made me feel he was the best choice. Spoke to me with respect and very friendly.

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January 13, 2026

5.0

He is very approachable and able to provide what I believe to be good advice about all the options available.

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January 12, 2026

5.0

He did a good job

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January 12, 2026

5.0

Very friendly and informative.

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January 12, 2026

5.0

Very high ratings

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January 09, 2026

5.0

Willingness to explain patiently and thoroughly his treatment plan . . . if a patient asks.

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January 05, 2026

5.0

Because he's the best.

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December 15, 2025

5.0

The doctor is extremely knowledgeable, experienced, patient, has a pleasant demeanor

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December 02, 2025

5.0

The best of the best - as a surgeon and a person. He is patient, kind, compassionate, and he truly cares about achieving the best results for his patients.

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December 01, 2025

5.0

The Doctor was kind and gave lots of information as well as recommended exercises for my injury.

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November 26, 2025

5.0

Took time to listen and explain my condition

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November 25, 2025

5.0

Patiently explained procidures

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November 17, 2025

5.0

He was kind, impressive, intelligent, and listened.

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November 17, 2025

5.0

He is superb. Knowledgeable, whip smart and kind.

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November 03, 2025

5.0

Groundbreaking surgical techniques and skill.

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October 29, 2025

5.0

Excellent doctor

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September 22, 2025

5.0

He cares about what he does

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September 12, 2025

5.0

Smart man

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August 25, 2025

5.0

The doctor and everyone at the medical office was warm, professional, knowledgeable, and generally competent.

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August 23, 2025

5.0

Overall great doctor

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August 16, 2025

5.0

He was knowledgeable, thorough, and asked key questions to aid in his diagnosis.

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August 11, 2025

5.0

Smart guy. Shows he cares.

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August 04, 2025

5.0

A smart caring physician

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August 03, 2025

5.0

Commitment to the profession, knowledgeable, and approachable.

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July 30, 2025

5.0

Dr. Yamaguchi was very knowledgeable and listened to all of my concerns. He could see that I was very concerned and nervous about my shoulder injections and was able to make me feel comfortable with what he was going to do. He explained every detail of the procedure and asked if I had any questions before he started.

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July 29, 2025

5.0

Superb professional

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July 21, 2025

5.0

Listened to what I had to tell him and made recommendations for first steps.

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June 30, 2025

5.0

His knowledge and approach made me very comfortable.

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June 14, 2025

5.0

Great physician very caring and he is an expert in his field for shoulders and elbows. I was referred to him from a shoulder doctor who indicated that my situation was too far gone for him to work on and he referred me to Dr Yamaguchi who did an amazing job to repair my rotator cuff.

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June 12, 2025

5.0

He's the best.

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June 02, 2025

5.0

He repaired both of my arms back to full working strength. I don't know what else I can say. 10/10

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May 19, 2025

5.0

Very skilled and knowledgeable

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May 19, 2025

5.0

I have every confidence in Dr Yamaguchi and his staff. I feel confident going into surgery.

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May 17, 2025

5.0

He's friendly and extremely competent. Post-surgery has gone well and his advice has helped every step of the way.

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May 16, 2025

5.0

Dr. Yamaguchi was very informative prior to surgery providing an update before anesthesiology came and made sure I was comfortable in the surgery room as well.

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May 13, 2025

5.0

explains procedure, prognosis and recovery well.

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May 05, 2025

5.0

Attentive and efficient

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Disclosures

Industry Relationships

Ownership or Investment Interest

Faculty member and/or their immediate family have an ownership or investment interest in the following companies

Pager, Inc.

Consulting

Faculty member and/or their immediate family have engaged in activities such as speaking, advising, consulting, or providing educational programs for the following companies or other entities

Zimmer Biomet

Royalties

Faculty member and/or their immediate family have the right to receive payments or may receive future financial benefits for inventions or discoveries related to the following companies or other entities

Stryker Corporation
Zimmer Biomet

External Professional Relationships

Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.

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