Kathleen Mahan, MD

University	Degree	Focus	Graduated
Loyola University of Chicago Stritch School of Medicine, Maywood Il	Other Degree		2002

Institution	Focus	Year
Residency - Loyola University Medical Center, Internal Medicine/Pediatrics		Not Specified

Certification	Cert. Body	Year
Internal medicine	Internal Medicine	Not Specified
Pediatrics	Pediatrics	Not Specified

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Review by Anonymous on March 03, 2026 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 family loves Dr. Mahan!... ”

My family loves Dr. Mahan!

Verified Patient

“My family loves Dr. Mahan!...”

My family loves Dr. Mahan!

Anonymous 03/03/2026

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Review by Anonymous on December 11, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 Katie Mahan is the most carin... ”

Dr Katie Mahan is the most caring doctor I have ever seen

Verified Patient

“Dr Katie Mahan is the most carin...”

Dr Katie Mahan is the most caring doctor I have ever seen

Anonymous 12/11/2025

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Review by Anonymous on November 15, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 Mahan is a caring and knowled... ”

Dr Mahan is a caring and knowledgeable caregiver.

Verified Patient

“Dr Mahan is a caring and knowled...”

Dr Mahan is a caring and knowledgeable caregiver.

Anonymous 11/15/2025

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Review by Anonymous on October 01, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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. Mahan is down to earth, easy... ”

Dr. Mahan is down to earth, easy to talk to, lays out all options, & includes the patient in all decisions.

Verified Patient

“Dr. Mahan is down to earth, easy...”

Dr. Mahan is down to earth, easy to talk to, lays out all options, & includes the patient in all decisions.

Anonymous 10/01/2025

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Review by Anonymous on August 13, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 - “ Love Dr. Mahan... ”

Love Dr. Mahan

Verified Patient

“Love Dr. Mahan...”

Love Dr. Mahan

Anonymous 08/13/2025

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Review by Anonymous on March 03, 2026 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 Mahan was so attentive and pe... ”

Dr Mahan was so attentive and personable. She listens fully and provides a complete and concise discussion on the best solution to my health.

Verified Patient

“Dr Mahan was so attentive and pe...”

Dr Mahan was so attentive and personable. She listens fully and provides a complete and concise discussion on the best solution to my health.

Anonymous 03/03/2026

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Review by Anonymous on November 18, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 - “ Great experience... ”

Great experience

Verified Patient

“Great experience...”

Great experience

Anonymous 11/18/2025

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Review by Anonymous on November 04, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 - “ Katie is great!... ”

Katie is great!

Verified Patient

“Katie is great!...”

Katie is great!

Anonymous 11/04/2025

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Review by Anonymous on August 16, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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. Mahan is amazing!... ”

Dr. Mahan is amazing!

Verified Patient

“Dr. Mahan is amazing!...”

Dr. Mahan is amazing!

Anonymous 08/16/2025

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Review by Anonymous on August 12, 2025 -

Duly Health and Care - 1801 S. Highland Ave. - 1801 S. Highland Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment
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 Mahan is the best family doct... ”

Dr Mahan is the best family doctor! So intelligent, caring, and genuine. My family adores her.

Verified Patient

“Dr Mahan is the best family doct...”

Dr Mahan is the best family doctor! So intelligent, caring, and genuine. My family adores her.

Anonymous 08/12/2025

Internal Medicine Physician - General

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Duly Health and Care

Practice Colleagues

Gregory Dairyko, MD - Orthopaedic Surgeon

Kathleen Kicsak, MD - Internal Medicine Physician

Mathew Loesch, DO, PHD - Dermatologist

Lina Murphy, PA - Physician Assistant

Toral Patel, MD, MS - Dermatologist

Kimberly Mercurio, MD - Physical Medicine & Rehabilitation Physician

Edward Sherman, MD - Internal Medicine Physician

Marie Philobos, MD - Pediatrician

Rashida Bowden, PA - Orthopaedic Surgeon, Physician Assistant

Hubert Lin, APN - Internal Medicine Physician, Nurse Practitioner

Procedures & Services

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Accepted Insurance