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Mary DeHerrera Codo, MD

Endocrinology

4.9
418 Ratings
Practices In: Naperville
Patients Seen: Ages 18+

My goal is to pro­vide com­pas­sion­ate care to each patient along with mak­ing each office vis­it a pos­i­tive expe­ri­ence. I believe patients should be engaged in their health care and wel­come them in the deci­sion mak­ing process in order to opti­mize their care.

Qual­i­ty mat­ters when it comes to sup­ple­ments. Whether you’re new or expe­ri­enced with sup­ple­ments, trust­ed, qual­i­ty options can sup­port your immu­ni­ty, heart health, and nutri­ent intake. Duly has part­nered with Fullscript, offer­ing access to high-qual­i­ty sup­ple­ments deliv­ered direct­ly to your door. Ask your provider about Fullscript and our exclu­sive dis­counts at your next visit.

Care Team

Need an appointment sooner? While your primary care provider or specialist are the anchor of your care team, their advanced practice providers and physician partners are available to provide care when you need it.

Anne Maynard, APN

Endocrinology
4.9

Practices In:

Glen Ellyn Naperville

Schedule Online

Diane Ellig, NP-C

Endocrinology
4.6

Practices In:

Hinsdale Lisle

Schedule Online

Jasmine Anish, NP

Endocrinology

Practices In:

Glen Ellyn

Schedule Online

Locations

location icon

Naperville

1020 E. Ogden Ave.

Suite 100

Naperville, Illinois 60563

630-789-4910

(Endocrinology)
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Care Team

Need an appointment sooner? While your primary care provider or specialist are the anchor of your care team, their advanced practice providers and physician partners are available to provide care when you need it.

Anne Maynard, APN

Endocrinology
4.9

Practices In:

Glen Ellyn Naperville

Schedule Online

Diane Ellig, NP-C

Endocrinology
4.6

Practices In:

Hinsdale Lisle

Schedule Online

Jasmine Anish, NP

Endocrinology

Practices In:

Glen Ellyn

Schedule Online
General Info
Board Certifications
Endocrinology
Languages
English
Awards & Accolades
Fellow of the American Association of Endocrinology 2000
Clinical Interests

Adren­al Bone Dis­or­ders, Dia­betes, Diag­nos­tic and Per­son­al Con­tin­u­ous Glu­cose Mon­i­tor­ing, Insulin Pump Man­age­ment, Insulin Pump Ther­a­py, Parathy­roid and Pitu­itary Thyroid

Personal Interests

I am avid read­er, love movies and enjoy spend­ing time with my fam­i­ly and friends.

Memberships
American Diabetes Association American Association of Clinical Endocrinology Endocrine Society
Education
Editorial
School
University of Illinois Graduation Date: 1988 Degree: MD
Residency
Loyola University Resident Physician
Fellowships
Loyola University Endocrinology

Provider's Contributions

5 Things to Know About Thyroid Disease in Women Women's Health March 2025

Clinical Expertise

Procedures

Insulin Pump Therapy

Conditions

Adrenal Disorders, Bone Disorders, Continuous Glucose Monitoring, Diabetes, Insulin Pump Therapy, Parathyroid Disorders, Pituitary Disorders, Polycystic Ovary Syndrome (PCOS), Thyroid Disorders

Ratings

Ratings Category

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Patient Satisfaction Rating

4.9

Likelihood of recommending this provider

4.9
414 Ratings

Provider discussed treatment options

4.9
413 Ratings

Provider explained things clearly

4.9
415 Ratings

Provider included you in decisions

4.9
397 Ratings

Provider showed concern

4.9
417 Ratings

Comments

Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.
"Everything went well"
5
Sep. 26, 2024
"Good"
5
Sep. 22, 2024
"The doctor is wonderful! She is so thorough, kind, uses test results to guide her and what needs to be done."
5
Sep. 17, 2024
"Dr Codo is a very caring person.. She listens and explains everything in an easy to understand way.."
5
Sep. 15, 2024
"None Finer than Dr. Codo"
5
Sep. 15, 2024
"Very polite and efficient technician"
5
Oct. 25, 2024
"Always a great experience at Dr. Codo's office!"
5
Oct. 24, 2024
"Dr. Codo DeHerrera in Naperville is a great Endocrinologist:"
5
Oct. 23, 2024
"Dr. Codo is a great listener and explains things very clearly"
5
Oct. 12, 2024
"Dr. is a great Dr. I feel safe and I know she cares about me."
5
Oct. 8, 2024
"Love Dr Mary Codo!"
5
Oct. 4, 2024
"Everything was Great!"
5
Nov. 29, 2024
"Dr Codo = EXCELLENCE!Very grateful to have been aligned with her care."
5
Nov. 27, 2024
"Doctor was wonderful!"
5
Nov. 26, 2024
"Dr Codo is the best. Always makes sure I understand all aspects of my treatment"
5
Nov. 25, 2024
"Excellent doctor"
5
Nov. 19, 2024
"Always a good experience!"
5
Nov. 18, 2024
"Excellent doctor"
5
Nov. 17, 2024
"Wonderful doctor"
5
Nov. 16, 2024
"Good"
5
Nov. 15, 2024
"Ver warm and compassionate as well as expert doctor. Her staff is also kind, professional and efficient."
5
Nov. 13, 2024
"Dr. Codo is the best, helped me understand my condition and helped me decide on treatment"
5
Nov. 10, 2024
"Nothing new to report. Always good at this doctor"
5
Nov. 6, 2024
"Dr. Codo is a warm, personable specialist who listens to her patients and provides excellent care. This is why she is my endocrinologist of choice for the last 23 years!"
5
Nov. 4, 2024
"I would never leave Duly because of this Doctor"
5
Nov. 1, 2024
"Dr. Codo is a great doctor I feel very confident that I'm getting great care with her."
5
Jan. 30, 2025
"Great Dr."
5
Jan. 29, 2025
"I have never experienced any concerns with Dr Codo. She is always engaging and supportive."
5
Jan. 29, 2025
"I've been a patient of Dr Codo's for 30+ years. She always takes time to listen to and fully answer any questions I have. She has always adjusted my prescription dose when needed perfectly. She always gives me a thorough exam, aware of my heart murmur, etc. Dr Codo is very easy to talk to, very pleasant & I highly recommend her."
5
Jan. 27, 2025
"Dr.Codo is very kind,personable,and a pleasure to visit."
5
Jan. 26, 2025
"Great listener. Very patient and informative."
5
Jan. 26, 2025
"Dr Codo keeps me informed, knows my history, explains any options I might have. She treats me as if I was her favorite patient. 5 star!!"
5
Jan. 25, 2025
"Always very attentive to my concerns. Dr Codo is an asset to Duly group."
5
Jan. 24, 2025
"Dr. Codo is always very thorough and professional. She is helpful, encouraging and proactive."
5
Jan. 23, 2025
"Dr Codo and her staff are very welcoming and friendly. Dr Codo is an excellent physician."
5
Jan. 22, 2025
"I had a very good visit with Dr. Codo."
5
Jan. 19, 2025
"Dr. is a good listener and responds thoughtfully"
5
Jan. 15, 2025
"Dr D is the best!"
5
Jan. 11, 2025
"Dr. Codo is a wonderful doctor!"
5
Jan. 11, 2025
"Dr.Codo is excellent in all aspects. Very knowledgeable and helpful."
5
Jan. 7, 2025
"Dr Codo is the best!"
5
Jan. 7, 2025
"Dr. Codo is the best doctor. She is kind and caring."
5
Jan. 5, 2025
"Dr.Codo listened throughly to my questions. Loved that she helped me put on my socks and I didn't ask her to!"
5
Dec. 21, 2024
"Dr Codo is an excellent Physician"
5
Dec. 21, 2024
"Dr Codo is an absolute professional who also displays an unexpected aura of true concern which is not always the case for a highly trained specialist like this"
5
Dec. 15, 2024
"All good"
5
Dec. 12, 2024
"Dr Codo is the best endocrinologist. I've seen for over 20 yrs"
4.4
Dec. 10, 2024
"Dr. Codo was very informative, knowledgeable, and personable. I like her a lot!"
5
Dec. 8, 2024
"Professional Listener Knowledgeable"
5
Dec. 5, 2024
"Dr. Codo is a caring and very knowledgeable physician."
5
Dec. 5, 2024
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