Devalingam Mahalingam, MD, PhD

4.9

715 ratings Read Reviews

Northwestern Medical Group

Primary Specialty

Hematology and Medical Oncology

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Practice Focus Areas

This medical professional has a particular interest or expertise in:

Education

Medical Education:: MD, National University of Ireland Galway - 2000
Fellowships:: University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of Medicine - 2009

Languages Spoken

Malay

Board Certifications

American Board of Internal Medicine - Internal Medicine (Certified)
American Board of Internal Medicine/Medical Oncology - Medical Oncology (Certified)

Faculty Profile

Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:: Northwestern Medical Group
Alignment Category:: Northwestern Medicine Physician Network
On Medical Staff At:: Northwestern Memorial Hospital

Ratings and Reviews

At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.

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Overall Rating

4.9

4.9

715 Ratings

Reviews from Patients

53 Reviews

Reviews from Patients

53 Reviews

February 25, 2026

5.0

Very attentive, professional, caring.

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February 19, 2026

5.0

He lays out the info well He is patient with questions And also answers questions beyond the immediate visit purpose.

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February 11, 2026

5.0

An amazing oncologist

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February 11, 2026

5.0

Dr was very knowledgeable and very patient to explain things and answer our questions.

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February 05, 2026

5.0

He changed his approach to my issues to suit my feelings for best care

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January 27, 2026

5.0

very informative

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January 12, 2026

5.0

He is so good He understand my hard situation

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January 10, 2026

5.0

Good

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January 08, 2026

5.0

Dr Mahalingam is my favorite all time doctor. He is honest , through and very personable and professional.

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January 05, 2026

5.0

Professional yet caring

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January 05, 2026

5.0

He's the best

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December 23, 2025

5.0

On both of my consultation visits - Dr Devalingam Mahalingam took the time with me to explain all of my options for treatment. He allowed me all of the time that was needed and I never felt rushed.

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December 15, 2025

5.0

Speaks with clarity

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December 14, 2025

5.0

True professional, his knowledge and explanations as well answering questions was not rushed.

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November 21, 2025

5.0

Reflection of your mission vision and values lived out.

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November 20, 2025

5.0

It is my respect and recognition of the staff taking care of the patient!

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November 19, 2025

5.0

Dr. Mahalingam was very patient & informative

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November 13, 2025

5.0

He is very thorough and takes his time. Truly a genuinely nice person and excellent doctor.

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November 10, 2025

5.0

Thorough kind listens helps assists suggests to make you have a better life

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November 06, 2025

5.0

Excellent doctor. Takes time to explain all treatment options and test results

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October 28, 2025

5.0

Intelligent and very on top of my cancer. Good man

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October 24, 2025

5.0

Caring professional and understands how to engage, inform and listen to my concerns.

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October 18, 2025

5.0

Good doctor who did his homework

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October 10, 2025

5.0

Dr. Mahalingham is easy to talk with. He takes his time and thoroughly explains my medical needs.

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October 09, 2025

5.0

He is a wonderful professional. He cares and explains things very well. I feel he always gives me the time I need from him.

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October 01, 2025

5.0

Great rapport with the patient, along with excellent explanation of the process

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September 30, 2025

5.0

All of my concerns were answered by him.

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September 27, 2025

5.0

His knowledge and experience is greatly appreciated.

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September 25, 2025

5.0

He is professional and informative.

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September 25, 2025

5.0

He is kind, explains very well and answers all your questions.

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September 10, 2025

5.0

He knows his stuff and is very nice.

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August 16, 2025

5.0

He is the best.

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August 14, 2025

5.0

Knowledgeable about my specific case. Had reviewed my records prior to my visit. Had answers to my questions.

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August 11, 2025

5.0

Honest to the point very knowledgeable has a lot of care for his patience

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August 08, 2025

5.0

he is brilliant

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July 15, 2025

5.0

Physicians are knowledgeable and professional are very helpful and dedicated to their patients.

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July 11, 2025

5.0

Dr. M takes time to answer all questions and explains things thoroughly. Share the decision-making with me which I appreciate.

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July 10, 2025

5.0

He is considered, intelligent, personable and through in his explanation of my condition

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July 03, 2025

5.0

He explains every thing plain and clear and he seem to be a very nice person easy to talk too

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July 02, 2025

5.0

He was very thorough and explained everything in terms that were understandable

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July 01, 2025

5.0

Doctor is exceptional. Physician and PA care is outstanding! They knowledgeable, prepared, review file and tests in advance of appointment, provide information so I understand it, take time to ask and answer questions, listen attentively, show care for me and my individual healthcare issues, and are always professional, caring and friendly.

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July 01, 2025

5.0

Clear conversation

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June 26, 2025

5.0

He's excellent! I love my oncologist Dr.Mahalingam he's the best!

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June 19, 2025

5.0

Dr. Devalingam Mahalingam, PhD is an excellent and caring clinician!

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May 29, 2025

5.0

Very thorough when speaking with the patient and telling them what's going on with them and making everything clear!!

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May 29, 2025

5.0

Personable, professional and best oncologist we've ever had

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May 27, 2025

5.0

Not rushed, laid out next steps and options.

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May 22, 2025

5.0

Excellent clinician.

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May 20, 2025

5.0

A Very highly skilled clinician - his technical skills and his interpersonal skills are very strong.

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May 15, 2025

5.0

He's explains everything very well.

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May 15, 2025

5.0

Very professional. Listens to your concerns a plus. Reviews past history of test results. Explains information provided.

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May 05, 2025

5.0

He is incredibly knowledgeable about even rare cancers and is willing to spend as much time as you need to understand what's going on.

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May 01, 2025

5.0

Very professional

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Disclosures

Industry Relationships

Consulting

Faculty member and/or their immediate family have engaged in activities such as speaking, advising, consulting, or providing educational programs for the following companies or other entities

Actuate Therapeutics, Inc.
Bristol-Myers Squibb Company
Exelixis, Inc.
Qurient Co. Ltd.

External Professional Relationships

Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.

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