Trevor M. Williams, MD

University	Degree	Focus	Graduated
McGill University Faculty of Medicine	Doctorate	Other	Not Specified

Institution	Focus	Year
Fellowship - University of Chicago Medical Center	Other	Not Specified
Residency - University of CA at San Francisco	Other	Not Specified

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Review by Anonymous on March 21, 2026 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 - “ Wonderful Doctor. Compassionate ... ”

Wonderful Doctor. Compassionate and most importantly a good listener and a great at explaining all aspects of what was going on, the treatment plan and the recovery process.

Verified Patient

“Wonderful Doctor. Compassionate ...”

Wonderful Doctor. Compassionate and most importantly a good listener and a great at explaining all aspects of what was going on, the treatment plan and the recovery process.

Anonymous 03/21/2026

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Review by Anonymous on October 10, 2025 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 am so very thankful for Dr. Wi... ”

I am so very thankful for Dr. Williams. I was in a quite serious situation at MSJ ICU and he gave me the treatment/surgery that probably saved my life.

Verified Patient

“I am so very thankful for Dr. Wi...”

I am so very thankful for Dr. Williams. I was in a quite serious situation at MSJ ICU and he gave me the treatment/surgery that probably saved my life.

Anonymous 10/10/2025

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Review by Anonymous on August 03, 2025 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 - “ 5 year celebration for being can... ”

5 year celebration for being cancer-free. What a thoughtful surgeon and staff.

Verified Patient

“5 year celebration for being can...”

5 year celebration for being cancer-free. What a thoughtful surgeon and staff.

Anonymous 08/03/2025

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Review by Anonymous on June 08, 2025 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 - “ Doc Williams is wonderful.... ”

Doc Williams is wonderful.

Verified Patient

“Doc Williams is wonderful....”

Doc Williams is wonderful.

Anonymous 06/08/2025

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Review by Anonymous on March 08, 2026 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 Williams is the absolute BEST... ”

Dr Williams is the absolute BESTFriendly, professional, personable....

Verified Patient

“Dr Williams is the absolute BEST...”

Dr Williams is the absolute BESTFriendly, professional, personable....

Anonymous 03/08/2026

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Review by Anonymous on September 25, 2025 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 doctor amd svc.... ”

Excellent doctor amd svc.

Verified Patient

“Excellent doctor amd svc....”

Excellent doctor amd svc.

Anonymous 09/25/2025

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Review by Anonymous on July 25, 2025 -

Dignity Health Mercy Cancer Center - Carmichael 6511 Coyle Ave Suite 200 95608 - 6511 Coyle Ave Suite 200

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 Williams is awesome, he expla... ”

Dr Williams is awesome, he explains everything very clearly as well as listens and responds to my concerns.

Verified Patient

“Dr Williams is awesome, he expla...”

Dr Williams is awesome, he explains everything very clearly as well as listens and responds to my concerns.

Anonymous 07/25/2025

Thoracic and Cardiac Surgeon - General

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Summary

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Office & Staff Evaluation Not rated

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Locations

Affiliated Practices

Dignity Health Mercy Cancer Center - Carmichael

Practice Colleagues

Fred (Yufan) Wu, MD - Radiation Oncologist

Christopher Fleming, MD - Radiation Oncologist

Luko Laptalo, MD - Internal Medicine Physician

Kevin Elliott, MD - Obstetrician/Gynecologist

Haroon Rehman, MD - Internal Medicine Physician

Hanh La, MD - Internal Medicine Physician

Allyson Jang, MD - Obstetrician/Gynecologist

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance