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M. Cecilia Lansang

M. Cecilia Lansang, MD, MPH

Endocrinology

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Highlights

Age Groups Seen

  • Adolescent
  • Adult

Languages

  • Filipino
  • English

Gender

Female

About M. Cecilia Lansang

Biography

Dr. Lansang is a Professor of Medicine at Cleveland Clinic Lerner College of Medicine of the Case Western Reserve University and is the Director of Diabetes Technology in the Department of Endocrinology, Diabetes and Metabolism here at the Cleveland Clinic.  She received her clinical and research training in Endocrinology, Diabetes and Metabolism at the Brigham and Women's Hospital, Harvard medical Schools, Boston, MA.  She obtained her Master of Public Health degree from the Harvard School of Public Health.  She had served as faculty at the Harvard School of Medicine and as staff physician at the Brigham and Women's Hospital.  She then moved on to the University of Florida, where she was interim chief of the Division of Endocrinology before joining the Cleveland Clinic. 

Dr. Lansang has published a book on diabetes, and research articles in the realm of inpatient diabetes, diabetic renal disease, steroids, and medical education, and has received multiple awards in excellence in teaching.

Locations

  1. Q Building - Glickman Tower
    • phone:
    • fax:
  2. X Building - Centers for Geriatric and Diabetes Care
    • phone:
    • fax:
  3. Cleveland Clinic Main Campus
    • phone:
    • fax:

Education & Board Certifications

Education

  • Fellowship: Brigham & Women's Hospital, 2001
  • Graduate School: Harvard School of Public Health/Harvard University, 2001
  • Residency: University of Santo Tomas Hospital, 1996
  • Internship: University of Santo Thomas, 1993
  • Medical Education: University of Santo Tomas Faculty of Medicine & Surgery, 1992

Board Certifications

  • Endocrinology, Diabetes and Metabolism: American Board of Internal Medicine, 2015
  • Internal Medicine: American Board of Internal Medicine, 2014

Additional Training

  • Clinical and Research Fellowship, Brigham and Women's Hospital, Harvard Medical Schools, Endocrinology, Boston, MA 2001
  • Graduate school, Harvard School of Public Health, Boston, MA 2001

Awards

  • Magna cum laude, Doctor of Medicine, University of Santo Tomas, Manila
  • Summa cum laude, Bachelor of Science in Biology, Accelerated course, University of Santo Tomas, Manila
  • Exemplary Teacher of the Year, University of Florida, 2006, 2008, 2010
  • Excellence in Teaching, University of Florida, 2007, 2009

Professional Memberships

Endocrine Society; American Diabetes Association; American Association of Clinical Endocrinologists

Research & Publications

See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.

As of 2026-04-04, Dr. Lansang has reported no financial relationship with industry that is applicable to this listing.

In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Insurances Accepted

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

Ratings & Reviews

4.9 out of 5

158 ratings, 24 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

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Courtesy Respect & Concern
Patient Rating of Doctor
Search reviews
    5 out of 5 stars
    Reviewed on 4/6/2026

    Dr. Lansang is a fantastic physician who knows her stuff and is very helpful and personable!! She is awesome!

    5 out of 5 stars
    Reviewed on 2/27/2026

    Dr.Lansang is kind and considerate and includes patient in the medical plan of care; provides preventative education that is supported by current medical research.

    5 out of 5 stars
    Reviewed on 2/27/2026

    She was very thorough and informative

    5 out of 5 stars
    Reviewed on 11/20/2025

    Dr. Lansang is WONDERFUL.

    5 out of 5 stars
    Reviewed on 11/13/2025

    She's an excellent provider

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

    Dr Lansang is excellent! She listens to your concerns and answers questions thoroughly. I have great respect for her. I am thankful to have her as my physician.

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

    I highly recommend Dr Lansang!!

    5 out of 5 stars
    Reviewed on 10/16/2025

    Dr Lansing was exceptional. Tremendous technical skill set, and the unique ability to make a patient feel at ease. Her ability to use a bit of humor to defuse the new and difficult period immediately post-transplant was wonderfully handled. World-class Doc.

    5 out of 5 stars
    Reviewed on 10/16/2025

    Dr Lansang is awesome.

    5 out of 5 stars
    Reviewed on 10/8/2025

    I love Dr. Lansang. She has been my doctor for many years. She is very thorough and gets detailed feedback on my numbers, medications, activities and plans and goals til the next visit.

    5 out of 5 stars
    Reviewed on 9/23/2025

    Dr Lansang is an excellent doctor who listens to questions and takes time to explain.

    5 out of 5 stars
    Reviewed on 9/23/2025

    Dr. Lansang is an excellent doctor! She is truly concerned for my well being and is meticulous in her care. She is the best!

    5 out of 5 stars
    Reviewed on 9/23/2025

    I'm very fortunate to have Dr. Lansang to manage my thyroid disorder. She is amazingly skilled and thorough and an excellent listener.

    5 out of 5 stars
    Reviewed on 9/22/2025

    Dr. LANSING ALWAYS LISTEBS TO ME AND ANSWERS ANY QUESTIONS I MAY HAVE.

    5 out of 5 stars
    Reviewed on 9/10/2025

    Dr. Lansing is a very professional and caring physician. She is one of my favorites at Cleveland Clinic.

    5 out of 5 stars
    Reviewed on 8/27/2025

    The doctor was superb. I great confidence in her.

    5 out of 5 stars
    Reviewed on 8/19/2025

    Dr. Lansang remembered my case and showed concern for my ongoing issues with hormonal imbalance after my brain surgery

    5 out of 5 stars
    Reviewed on 8/19/2025

    Dr. Lansang is kind and provides excellent care. She listens to my concerns and answers questions in a polite and professional manner. My care from Cleveland Clinic and its staff has been a wonderful experience.

    5 out of 5 stars
    Reviewed on 8/12/2025

    Dr lansang is a great compassionate doctor

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

    Dr Lansang is very knowledgeable, patient and knowledgeable.

    5 out of 5 stars
    Reviewed on 7/15/2025

    I love Dr Langsang she's very attentive and easy to talk with about my health issues

    5 out of 5 stars
    Reviewed on 6/23/2025

    Dr. Lansing was extremely cordial, listened thoroughly and allowed my opinion In deciding about new treatment options. The only negative was that we needed much more time, since this was my first appointment with this physician.

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

    Dr. Lansang is a superstar. Every visit with her is a delight. She was very helpful in explaining everything and the reasoning behind her actions.

    5 out of 5 stars
    Reviewed on 5/19/2025

    I feel like I'm in good caring hands with Dr. Lansang.