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Daisy Duan

Daisy Duan, MD

Endocrinology

Accepting New Patients
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Highlights

Age Groups Seen

  • Young Adult 18-25
  • Adult 26-64
  • Older Adult 65+

Languages

  • Chinese - Mandarin
  • English

Gender

Female

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine Faculty

About Daisy Duan

Professional Titles

  • Associate Program Director, Endocrinology Fellowship
  • Assistant Director, Educational Programs for Students and Housestaff

Primary Academic Title

Assistant Professor of Medicine

Johns Hopkins Physician

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Background

Dr. Daisy Duan is an Assistant Professor of Medicine. She practices as an endocrinologist with a focus on diabetes and obesity.

Dr. Duan sees patients at Johns Hopkins Bayview Endocrinology Clinic and The Johns Hopkins Healthful Eating, Activity & Weight Program at Greenspring Station. She enjoys partnering with her patients to individually tailor effective treatment regimens to improve metabolic health.

In addition, Dr. Duan is actively engaged in NIH-funded clinical and translational research related to obesity and diabetes. Her current research interests include the impact of meal timing on substrate metabolism and leveraging the tools of circadian biology to combat obesity and diabetes.

Selected Publications

  • Duan D, Pham LV, Jonathan JC, Turkson-Ocran RA, Pilla SJ, Clark JM, Maruthur NM. Effects of time-restricted eating on actigraphy-derived sleep parameters: post-hoc analysis of a randomized, isocaloric feeding study. Sleep. 2025. April 17:zsaf089. Online ahead of print.
  • Duan D, Jun JC, Johnson DA, Ahima RS, Jayandra HJ, Bertoni AG, Redline S, Echouffo-Tcheugui JB. Associations of sleep health and metabolic syndrome severity in Black individuals: The Jackson Heart Sleep Study. J Clin Endocrinol Metab. 2025. May 8:dgaf274. Online ahead of print.
  • Duan D, Wehbeh L, Mukherjee D, Hamrahian AH, Rodriguez FJ, Gujar S, Khalafallah AM, Hage C, Caturegli P, Gallia GL, Ahima RS, Maruthur NM, Salvatori R. Preoperative BMI Predicts Postoperative Weight Gain in Adult-onset Craniopharyngioma. J Clin Endocrinol Metab. 2021 Mar 25;106(4):e1603-e1617

  • Duan D, Gu C, Polotsky VY, Jun JC, Pham LV. Effects of Dinner Timing on Sleep Stage Distribution and EEG Power Spectrum in Healthy Volunteers. Nat Sci Sleep. 2021;13:601-612. doi: 10.2147/NSS.S301113. eCollection 2021

  • Gu C, Brereton N, Schweitzer A, Cotter M, Duan D, Børsheim E, Wolfe RR, Pham LV, Polotsky VY, Jun JC. Metabolic Effects of Late Dinner in Healthy Volunteers-A Randomized Crossover Clinical Trial. J Clin Endocrinol Metab. 2020 Aug 1;105(8)

Honors

  • W. Leigh Thompson Excellence in Research - Clinical Faculty Award, Johns Hopkins University School of Medicine Department of Medicine
  • Christopher D. Saudek M.D. Fellowship in Diabetes Research, Johns Hopkins University School of Medicine

Memberships

  • American Diabetes Association
  • The Endocrine Society
  • The Obesity Society
  • Sleep Research Society

Locations

  1. Johns Hopkins Bayview Medical Center
    • 4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 4, Baltimore, MD 21224
    • Get Directions
  2. Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
    • 10753 Falls Road, Pavilion II, STE 305, Lutherville, MD 21093
    • Get Directions

Expertise

Education

  • Fellowship: Johns Hopkins University School of Medicine, Endocrinology, Diabetes & Metabolism, 2022
  • Residency: The Mount Sinai Hospital, Internal Medicine, 2017
  • Medical Education: New York University School of Medicine, MD, 2014

Board Certifications

  • Endocrinology Diabetes and Metabolism: American Board of Internal Medicine, 2020
  • Internal Medicine: American Board of Internal Medicine, 2017

Insurance

Search plans
  • Aetna
  • CareFirst
  • Cigna
  • First Health
  • Geisinger Health Plan
  • HealthSmart/Accel
  • Johns Hopkins Health Plans
  • MultiPlan
  • Pennsylvania's Preferred Health Networks (PPHN)
  • Point Comfort Underwriters
  • Private Healthcare Systems (PHCS)
  • Veteran Affairs Community Care Network (Optum-VACCN)

Ratings & Reviews

5 out of 5

30 ratings, 11 reviews

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Search reviews
    5 out of 5 stars
    Reviewed on 4/21/2026

    Excellent provider

    5 out of 5 stars
    Reviewed on 4/21/2026

    Answered all my questions

    5 out of 5 stars
    Reviewed on 4/3/2026

    Dr. Duan is an excellent and caring provider!

    5 out of 5 stars
    Reviewed on 2/3/2026

    Dr. Duan is absolutely fantastic! That's all that needs to be said, fantastic says it all.

    5 out of 5 stars
    Reviewed on 12/9/2025

    Very good

    5 out of 5 stars
    Reviewed on 11/7/2025

    Dr Duan listens and addresses my concerns

    5 out of 5 stars
    Reviewed on 11/7/2025

    Dr. Duan is caring and knowledgeable and I appreciate her visits and care for my help.

    5 out of 5 stars
    Reviewed on 9/16/2025

    Dr. Duan is the best. While she was running behind she didn't rush my appointment and took time to talk with me and answer questions.

    5 out of 5 stars
    Reviewed on 7/29/2025

    She is very nice.

    5 out of 5 stars
    Reviewed on 7/22/2025

    Dr Duan brought 15 types of kung foo to help me fight and manage my type one and type.2.djabeties

    5 out of 5 stars
    Reviewed on 6/17/2025

    Excellent Best provider I have had for the treatment of diabetes in 37Years