Johnny K Chang, MD

University	Degree	Focus	Graduated
University of California, Los Angeles David Geffen School of Medicine	Doctorate	Other	1998

Institution	Focus	Year
Residency - University of California, Los Angeles Medical Center - Hematology and Oncology	Other	2001
Fellowship - University of California, Los Angeles Medical Center - Hematology and Oncology	Other	2004

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Review by Anonymous on September 20, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I did feel heard - Dr rambled on... ”

I did feel heard - Dr rambled on about my fitness choices are wrong

Verified Patient

“I did feel heard - Dr rambled on...”

I did feel heard - Dr rambled on about my fitness choices are wrong

Anonymous 09/20/2025

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Review by Anonymous on August 12, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Chang is the best. Always pl... ”

Dr. Chang is the best. Always pleasant and very caring

Verified Patient

“Dr. Chang is the best. Always pl...”

Dr. Chang is the best. Always pleasant and very caring

Anonymous 08/12/2025

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Review by Anonymous on July 18, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Chang is a gift to medicine ... ”

Dr. Chang is a gift to medicine and patients. He is a brilliant doctor and hears the patients. Very rare.

Verified Patient

“Dr. Chang is a gift to medicine ...”

Dr. Chang is a gift to medicine and patients. He is a brilliant doctor and hears the patients. Very rare.

Anonymous 07/18/2025

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Review by Anonymous on June 30, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Chang is an outstanding medi... ”

Dr. Chang is an outstanding medical doctor and gentleman. I would highly recommend him to my family and friends.

Verified Patient

“Dr. Chang is an outstanding medi...”

Dr. Chang is an outstanding medical doctor and gentleman. I would highly recommend him to my family and friends.

Anonymous 06/30/2025

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Review by Anonymous on August 12, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ It feels so good to have a docto... ”

It feels so good to have a doctor that I can totally trust!

Verified Patient

“It feels so good to have a docto...”

It feels so good to have a doctor that I can totally trust!

Anonymous 08/12/2025

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Review by Anonymous on July 31, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Excellent care all around... ”

Excellent care all around

Verified Patient

“Excellent care all around...”

Excellent care all around

Anonymous 07/31/2025

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Review by Anonymous on July 16, 2025 -

Cedars-Sinai Multispecialty - Tarzana - 18133 Ventura Blvd Suite 300

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Chang was great. Explained ev... ”

Dr Chang was great. Explained every future process

Verified Patient

“Dr Chang was great. Explained ev...”

Dr Chang was great. Explained every future process

Anonymous 07/16/2025

Internal Medicine Physician - Hematology

Biography

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Summary

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Office & Staff Evaluation Not rated

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Affiliated Practices

Cedars-Sinai Multispecialty - Tarzana

Practice Colleagues

Justin Cohen, MD - Neurological Surgeon

Ani Balmanoukian, MD - Internal Medicine Physician

Nguyen Le, MD - Thoracic and Cardiac Surgeon

Kristin Taylor, MD - Obstetrician/Gynecologist

Andrew Brownlee, MD - Thoracic and Cardiac Surgeon

Ryan Ponec, MD - Internal Medicine Physician

Michael Manuel, MD - Obstetrician/Gynecologist

Natasha Banerjee, MD - Internal Medicine Physician

Julie Huynh, MD - Internal Medicine Physician

Shervin Eshraghi, MD - Neurologist

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

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Accepted Insurance