Nathan Dennison, DO

University	Degree	Focus	Graduated
Midwestern University	Doctorate	Other	Not Specified

Institution	Focus	Year
Residency - SJHMC Internal Medicine Department	Other	Not Specified

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Review by Anonymous on May 12, 2026 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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 Dennison was so tuned in to m... ”

Dr Dennison was so tuned in to my issues and the plan to take moving forward. He listened well and was very attentive.

Verified Patient

“Dr Dennison was so tuned in to m...”

Dr Dennison was so tuned in to my issues and the plan to take moving forward. He listened well and was very attentive.

Anonymous 05/12/2026

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Review by Anonymous on February 19, 2026 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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 - “ Dennison is excellent... ”

Dennison is excellent

Verified Patient

“Dennison is excellent...”

Dennison is excellent

Anonymous 02/19/2026

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Review by Anonymous on November 23, 2025 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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 - “ Have recommended this office and... ”

Have recommended this office and Dr.Dennison to family members

Verified Patient

“Have recommended this office and...”

Have recommended this office and Dr.Dennison to family members

Anonymous 11/23/2025

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Review by Anonymous on March 14, 2026 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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 - “ Provider was ok at explaining wh... ”

Provider was ok at explaining what was next.

Verified Patient

“Provider was ok at explaining wh...”

Provider was ok at explaining what was next.

Anonymous 03/14/2026

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Review by Anonymous on November 24, 2025 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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 Dennison is a very knowledgea... ”

Dr Dennison is a very knowledgeable doctor and says when it isn't in his wheelhouse. I high recommend him

Verified Patient

“Dr Dennison is a very knowledgea...”

Dr Dennison is a very knowledgeable doctor and says when it isn't in his wheelhouse. I high recommend him

Anonymous 11/24/2025

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Review by Anonymous on November 01, 2025 -

Dignity Health Medical Group Internal Medicine - St Joseph's 500 W Thomas Rd Suite 900A 85013 - 500 W Thomas Rd Suite 900A

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. Dennison is an excellent pro... ”

Dr. Dennison is an excellent provider. He takes his time explains and answers all questions.

Verified Patient

“Dr. Dennison is an excellent pro...”

Dr. Dennison is an excellent provider. He takes his time explains and answers all questions.

Anonymous 11/01/2025

Office Hours

Nurse Practitioner - Women's Health, Internal Medicine Physician - General

Biography

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Summary

Provider Training

Photos

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Dignity Health Medical Group Internal Medicine - St Joseph's

Practice Colleagues

Dr Jeny Pothen Itty, DO - Internal Medicine Physician

James Blair, MD - Family Medicine Physician, Internal Medicine Physician, Nurse Practitioner

Hannah Cavers, NP - Nurse Practitioner

Jaya Raj, MD - Internal Medicine Physician

Dr Michael Zgoda, MD, MBA, CPE - Internal Medicine Physician

Joshua Menefee, DO - Family Medicine Physician, Internal Medicine Physician, Nurse Practitioner

Sonal Haerter, MD - Internal Medicine Physician

Caroline Kim Kupfer, MD - Pediatrician

Mania Al Rezk, MD - Internal Medicine Physician

Anne Tendler, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance