Dr. Gregory J. Cannon, MD

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Review by Anonymous on March 13, 2026 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 Not rated
Clear explanations Not rated
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Cannon is wonderful. Always f... ”

Dr Cannon is wonderful. Always feel well informed and not rushed.

Verified Patient

“Dr Cannon is wonderful. Always f...”

Dr Cannon is wonderful. Always feel well informed and not rushed.

Anonymous 03/13/2026

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Review by Anonymous on February 06, 2026 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 Cannon has helped me on nume... ”

Dr Cannon has helped me on numerous visits. I can't say enough good things about Dr.Cannon. Professional caring. A major asset to Montage Health

Verified Patient

“Dr Cannon has helped me on nume...”

Dr Cannon has helped me on numerous visits. I can't say enough good things about Dr.Cannon. Professional caring. A major asset to Montage Health

Anonymous 02/06/2026

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Review by Anonymous on January 16, 2026 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 - “ My experience with Dr Cannon has... ”

My experience with Dr Cannon has always been good. He is kind and considerate and listens

Verified Patient

“My experience with Dr Cannon has...”

My experience with Dr Cannon has always been good. He is kind and considerate and listens

Anonymous 01/16/2026

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Review by Anonymous on November 14, 2025 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 - “ Could not ask for better treatme... ”

Could not ask for better treatment

Verified Patient

“Could not ask for better treatme...”

Could not ask for better treatment

Anonymous 11/14/2025

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Review by Anonymous on October 20, 2025 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 Cannon is great... ”

Dr Cannon is great

Verified Patient

“Dr Cannon is great...”

Dr Cannon is great

Anonymous 10/20/2025

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Review by Anonymous on March 03, 2026 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 - “ So happy to have Dr Cannon in my... ”

So happy to have Dr Cannon in my corner!! Great guy and great Dr!

Verified Patient

“So happy to have Dr Cannon in my...”

So happy to have Dr Cannon in my corner!! Great guy and great Dr!

Anonymous 03/03/2026

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Review by Anonymous on January 29, 2026 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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. CANNON IS OUTSTANDING.... ”

DR. CANNON IS OUTSTANDING.

Verified Patient

“DR. CANNON IS OUTSTANDING....”

DR. CANNON IS OUTSTANDING.

Anonymous 01/29/2026

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Review by Anonymous on November 23, 2025 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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. Cannon listened to all my co... ”

Dr. Cannon listened to all my concerns and really heard them. He reassured me and arranged follow up appointments to address those issues. He is truly a patient advocate!

Verified Patient

“Dr. Cannon listened to all my co...”

Dr. Cannon listened to all my concerns and really heard them. He reassured me and arranged follow up appointments to address those issues. He is truly a patient advocate!

Anonymous 11/23/2025

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Review by Anonymous on November 01, 2025 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 - “ Good... ”

Good

Verified Patient

“Good...”

Good

Anonymous 11/01/2025

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Review by Anonymous on October 16, 2025 -

Montage Medical Group, Ryan Ranch - 2 Upper Ragsdale Drive Building A

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 Cannon always listens to me a... ”

Dr Cannon always listens to me and I feel he understands my situation clearly.

Verified Patient

“Dr Cannon always listens to me a...”

Dr Cannon always listens to me and I feel he understands my situation clearly.

Anonymous 10/16/2025

Internal Medicine Physician - General

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Office & Staff Evaluation Not rated

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Affiliated Practices

Montage Medical Group, Ryan Ranch

Practice Colleagues

Dr Daniel Torba, MD - Family Medicine Physician

Dr Somayeh Azimi, DO - Internal Medicine Physician

Dr Kearnan Welch, DO - Internal Medicine Physician

Dr David Keller, MD - Internal Medicine Physician

Dr Charles Gaccione, DO - Family Medicine Physician

Dr R Bryan Klassen, MD, PhD - Internal Medicine Physician

Dr Jeffrey Sasser-Brandt, MD, PhD - Family Medicine Physician

Dr Nicholas Stienstra, MD - Internal Medicine Physician

Dr Resmi Premji, MD - Internal Medicine Physician

Dr Stephen Owens, MD - Family Medicine Physician

Procedures & Services

Procedures & Treatments Offered

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Accepted Insurance

Accepted Insurance