Dr. Gregory J. Cannon, MD

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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

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Review by Anonymous on September 18, 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 flat out a fantasti... ”

Dr Cannon is flat out a fantastic , smart, and empathetic doctor.

Verified Patient

“Dr Cannon is flat out a fantasti...”

Dr Cannon is flat out a fantastic , smart, and empathetic doctor.

Anonymous 09/18/2025

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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 September 21, 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 the best... ”

Dr Cannon is the best

Verified Patient

“Dr Cannon is the best...”

Dr Cannon is the best

Anonymous 09/21/2025

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Review by Anonymous on September 13, 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 - “ I feel that I can talk to my doc... ”

I feel that I can talk to my doctor about anything without judgment, which is very important. I would recommend him to others, but then I might not have the ability to see him as much as I'd like But I do because he's good and people deserve. Good doctors

Verified Patient

“I feel that I can talk to my doc...”

Anonymous 09/13/2025

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 Martin Mwangi, MD - Neurologist

Dr Angelfrey Armas Ruiz, MD - Family Medicine Physician

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

Dr Charles Gaccione, DO - Family Medicine Physician

Dr Sky Vanderburg, MD, MPH - Internal Medicine Physician

Dr Jon - Peter Meckel, DO - Family Medicine Physician

Dr Lancelot Alexander, MD - Neurologist, Neuromusculoskeletal Medicine Physician

Dr Mark Garfield, MD - Internal Medicine Physician

Dr Oluwafunmilola Adekanmbi, MD - Neurologist

Dr Stephen Owens, MD - Family Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance