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Department Endocrinology, Diabetes and Metabolism
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages Croatian, English
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Blood Tests
  • Diabetes Center
  • General Endocrinology
  • Radioactive Iodine Treatment
  • Thyroid Aspiration
  • Thyroid Ultrasound
  • Thyroid Ultrasound and Biopsy
View all 7 Treatment & Services +

Specialty in Diseases & Conditions

  • Addison's Disease
  • Adrenal Disorders
  • Androgen Deficiency (Low Testosterone)
  • Bone Disorders
  • Calcium Disorders
  • Diabetes
  • Diabetes, Gestational
  • Erectile Dysfunction
  • Familial Multiple Endocrine Neoplasia
  • Goiter
  • Gynecomastia
  • High Cholesterol
  • Hirsutism
  • Hyperthyroidism
  • Hypothyroidism
  • Klinefelter Syndrome
  • Metabolic Syndrome
  • Neuropathy - Diabetic
  • Obesity
  • Osteopenia
  • Osteoporosis
  • Parathyroid Cancer
  • Parathyroid Disease
  • Pheochromocytoma
  • Pituitary Disorders
  • Pituitary Tumors
  • Prolactinoma
  • Sexual Hormone Disorders
  • Thyroid and Pregnancy
  • Thyroid Cancer
  • Thyroid Disease
  • Thyroid Nodule
  • Vitamin D Deficiency
View all 33 Specialties +


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About Mario Skugor, MD

Mario Skugor, MD, FACE, has been on Staff at Cleveland Clinic since 2002. He is board-certified in internal medicine and endocrinology, diabetes and metabolism.

 His clinical interests include thyroid disorders, disorders of calcium metabolism, metabolic bone disease and obesity. His practice is not limited to these diseases but also include diabetes mellitus and adrenal and pituitary disorders.

 He is also involved in teaching and training of medical students, residents and fellows.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Endo, Diabetes and Metabolism
Cleveland, OH USA

Residency - Saint Vincent Charity Medical Center
Internal Medicine
Cleveland, OH USA

Residency - Saint Luke's Medical Center
Internal Medicine
Cleveland, OH USA

Internship - Saint Luke's Medical Center
Internal Medicine
Cleveland, OH USA

Medical Education - University of Zagreb School of Medicine
Zagreb, Croatia

Additional Training

  • American Association of Clinical Endocrinologists
  • American Thyroid Association
  • Endocrine Society

Professional Highlights

  • Co-Director, Endocrinology and Reproductive Organ Block, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, 2005-Present
  • President, Ohio River Regional Chapter, American Association of Clinical Endocrinologists, 2007-2008
  • Member, Task Force for Thyroid Ultrasound Testing and Certification, American Association of Clinical Endocrinologists, 2007-Present


  • Internal Medicine - Endocrinology, Diabetes and Metabolism

Specialty Interests

Hypothyroidism, hyperthyroidism, thyroid nodules, goiters, thyroid carcinoma, diabetes mellitus, hypercalcemia, hypocalcemia, osteoporosis, hyperlipidemia

Awards & Honors

  • Skeletal assessment by FELS method, FELS Institute, Yellow Springs, Ohio, 1993
  • Thyroid ultrasound and fine needle biopsy training course, Cleveland Clinic, 2001
     in teaching and training of medical students, residents and fellows.


  • Pfizer Scholars in Endocrinology Award, Oregon Health Sciences University
  • Research findings selected by Program Directors at National Center for Research Resources to represent one of the most scientifically important advances published by investigators in 1997 and 1998
Research & Publications

Research & Publications

See publications for Mario Skugor, MD.

(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

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 10/30/2023, Dr. Skugor 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.

Patient Satisfaction Reviews

311 Patient Satisfaction Reviews

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

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.8 out of 5
Explains 4.8
Courtesy, Respect & Concern 4.8
Patient Rating of Doctor 4.8

56 Patient Comments

Reviewed on Jan 9, 2024

I love dr Skugor's approach! He is very tuned in to what is important to me

Reviewed on Jan 9, 2024

I am delighted with the care provided by Dr. Skugor. He's a wonderful person.

Reviewed on Jan 8, 2024

Dr Skugar never makes me feel rushed and listens with genuine concern of my well being and health

Reviewed on Jan 2, 2024

Dr Skugor is always attentive, kind and realistic in his reasoning and treatment.

Reviewed on Dec 27, 2023

Dr. Skugor is an amazing physician who cares for his patients.

Reviewed on Dec 22, 2023

Dr Skugor is the best!

Reviewed on Dec 14, 2023

Dr. Skugor is an excellent provider.

Reviewed on Dec 13, 2023

I would ABSOLUTELY recommend Dr. Skugor. I had a great interaction with him regarding my condition and he was able to explain it to me without being condescending and he explained everything so well I did it have to ask that many follow up questions.

Reviewed on Dec 12, 2023

Dr. Skugor is an excellent physician. He is encouraging and does not hesitate to congratulate you for progress made.

Reviewed on Dec 8, 2023

Great communication with Doctor

Reviewed on Dec 7, 2023

I always enjoy talking with Dr. Skugor

Reviewed on Dec 6, 2023

Dr Skugor is the best

Reviewed on Dec 5, 2023

Great doctor

Reviewed on Dec 5, 2023

Dr. Skugor is excellent.

Reviewed on Nov 29, 2023

Dr. Skugor is excellent and I am very thankful and fortunate to be his patient.

Reviewed on Nov 28, 2023

Dr. Skugor has been my endocrinologist for more than 10 years. He always answers my questions. His treatment plan is based on how I "feel" and not my lab numbers.

Reviewed on Nov 28, 2023

I didn't deal with any person except Dr. Skugor.

Reviewed on Oct 26, 2023

Dr Skugor is THE Best! He listens to you and your worries and figures out how to make things better. His personality is awesome and he is so easy to talk to. I'm so glad he is my doctor now.

Reviewed on Oct 24, 2023

Best doctor , for me. He keeps me healthy and answers my questions . I've been his patient for years.

Reviewed on Oct 24, 2023

Dr. Skugor was one of the best care providers I have seen in a very long time. It was a fantastic appointment.

Reviewed on Oct 18, 2023

I have recommended Dr. Skugor to friends. He is great.

Reviewed on Oct 18, 2023

Dr Skugor always does a great job....he takes the time to answer questions and explain in a way that makes sense to me. It is obvious that he cares about you as a patient. Dr Skugor Is one of the reasons I continue to stay at the Cleveland Clinic for my care.

Reviewed on Sep 28, 2023

Dr Skugor by far has been the best endocrinologist I ever had. He's caring, funny and engaging. He truly responds with H.E.A.R.T.

Reviewed on Sep 27, 2023

Dr. Skugord makes sure I can get in. I'm in retail and flexibility is key

Reviewed on Sep 27, 2023

When I first came to Cleveland Clinic I had a bad experience with my previous endocrinologist so Dr. Mario Skugord was a God send.

Reviewed on Sep 26, 2023

The doctor is very skilled and has excellent bedside manner.

Reviewed on Sep 25, 2023

Dr Skugar listened to my concerns and was very helpful in providing solutions

Reviewed on Sep 22, 2023

It was a good experience. Had trouble with the sound at first but Dr got things going.

Reviewed on Sep 8, 2023

Very kind Doctor

Reviewed on Aug 16, 2023

Dr. Skugor is always a pleasure to meet with and makes me feel at ease and as if I can always ask questions or raise concerns.

Reviewed on Aug 10, 2023

I have recommended Dr. Skugor to others.

Reviewed on Aug 10, 2023

Always a great appt. With Dr. Skugor! He's very kind & professional!

Reviewed on Aug 2, 2023

Very good doctor..

Reviewed on Aug 1, 2023

I am so throlled he is my Dr. He informs, he listens & he is a real human being with his honesty, humor & caring about me suffering,

Reviewed on Jun 29, 2023

Dr. Skugor is the best! He very personable, knowledgeable and so easy to talk to.

Reviewed on Jun 29, 2023

I reccomend Dr. Skugor to my daughter. She is now a patient of his.

Reviewed on Jun 8, 2023

Dr. Skugor is a very well educated individual, and he communicates well with his patients. He is more than willing to answer any questions you may have.

Reviewed on Jun 6, 2023

Dr Skuglio is a fantastic doctor.

Reviewed on May 26, 2023

No decisions were actually made pending a blood sample; however, Dr. Skugor was very clear in his approach.

Reviewed on May 25, 2023

Dr. Skugor and his staff were extremely understanding when I got lost and was late to my appointment. I am so thankful to have a provider that cares for me as a person and didn't cancel my appointment because I could have disrupted their day.

Reviewed on May 18, 2023

Dr. Skugor is wonderful! I would recommend him confidently.

Reviewed on May 17, 2023

Love Dr. Skugor. He is super nice and makes me feel very comfortable

Reviewed on Apr 19, 2023

After losing my first doctor from the Clinic I was very concerned about finding another doctor that I would be comfortable with and feel that he has my best interest in mind and not treat me like a number I was very pleased with Dr Skugor. He was very respectful of me and answered all of my questions he did not act rushed I really liked his bedside manner which is sadly missing in today's medical profession he talked with me not down to me I will definitely continue to see doctor Skugor

Reviewed on Apr 19, 2023

Overall everyone did a nice job I am pulling the score from good to very good due to doctor Skugor everyone was nice and polite as well

Reviewed on Apr 19, 2023

We absolutely love Dr. Skugor! Not only is he very professional but he has a wonderful personality and a great way of getting through to my husband and myself.

Reviewed on Apr 17, 2023

He is very caring and thorough. He's a wonderful doctor. He listens to his patients. He takes his time going over everything with the patient how the patient is feeling and what brought them in to see him. He makes his patients feel very comfortable and at ease.

Reviewed on Apr 3, 2023

Dr. Mario Skugor is the best. Fellow doctors could learn so much from him!

Reviewed on Mar 30, 2023

Dr Skugor kept me informed and helped guide me in the decision of better care for my diabetes. Dr Skugor is one the most caring physicians I've ever had in my life. Dr Skugor is a valuable asset to CCF and the patients he serves.

Reviewed on Mar 30, 2023

Dr. Skouhar is awesome!

Reviewed on Mar 3, 2023

Dr. Skugor is a brilliant and gifted physician. How is able to effectively communicate with me. He gives me an opportunity to weigh in my observations and new approaches in lowering glucose levels. He provides encouragement and advice. His wisdom, knowledge and professionalism has earned my trust in him.

Reviewed on Feb 23, 2023

I have recommended Dr. Skugor to others and have had friends accompany me. Everyone thinks he is great-thorough, empathetic and comforting. He is knowledgeable and a very down to earth.

Reviewed on Feb 22, 2023

Dr. Skugor is simply charming, caring, informative and knows such incredible knowledge. He s the best and I trust him completely.

Reviewed on Feb 15, 2023

Always a great experience with Dr Skugor

Reviewed on Feb 9, 2023

Excellent provider in all aspects of the visit.

Reviewed on Feb 8, 2023

Dr. Skugor is an amazing provider!

Reviewed on Feb 6, 2023

My visit with the doctor was excellent

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