Department Endocrinology, Diabetes and Metabolism
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages Croatian, English
Surgeon No
Locations 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 Description
  • 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 School - University of Zagreb School of Medicine

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 11/28/2018, 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

189 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
Listens 4.8
Courtesy, Respect & Concern 4.9
Knows Medical History 4.7
Time Spent with Patient 4.7
Patient Rating of Doctor 4.8

26 Patient Comments

Reviewed on Dec 13, 2018

very good experience with Doctor Scugar

Reviewed on Nov 26, 2018

Dr Skugor was thorough. he listened to my concerns and addressed every one of them. he was easy to talk to and to understand.

Reviewed on Nov 1, 2018

great doctor!!!!!! you need more like him

Reviewed on Oct 30, 2018

Alwsys a positive experience at Cleveland Clinic and with Dr. Skugar!

Reviewed on Oct 30, 2018

The doctor increased my medication and did a good job explaining changes in how I may feel as a result.

Reviewed on Oct 30, 2018

The doctor was on schedule. Spent and appropriate amt of time discussing my health concerns and even took time to get to know me a little by asking questions about my work and my family.

Reviewed on Oct 26, 2018

LOVED my appointment with Dr. Skugor. He took time to explain things to my and answered all of my questions. He was very welcoming and truly took his time with me. I'd definitely recommend him to my family and friends

Reviewed on Oct 25, 2018

I get my lab results via MyChart and no one from the office needed to contact me. Also MD had the results at my visit and we discussed them.

Reviewed on Oct 25, 2018

great doctor

Reviewed on Oct 24, 2018

I was actually 15 minutes late and doctor was willing to still see me

Reviewed on Oct 18, 2018

I have been seeing Dr Skugor for more than 15 years. He has always provided clear, concise recommendations, medical advice and always responded to questions or concerns. I definitely recommend him to anyone looking for an endocrinologist.

Reviewed on Oct 16, 2018

It was a very timely and to the point visit. I was very pleased with how the doctor conducted the appointment.

Reviewed on Oct 10, 2018

Dr Skugor is so professional and really attentive and helpful. I feellucky to have him as my doctor as I figure out my thyroid issue

Reviewed on Oct 9, 2018

Dr. Skugor is the best. His team follows his lead. This is why I travel further to see him. He listens and is very dedicated along with being at the top in his field. Dr. Skugor cares about his team and clients.

Reviewed on Oct 5, 2018

wonderful experience, Dr Skugor and staff were recommended by a coworker and lived up to the high praise!

Reviewed on Aug 28, 2018

I waited only a few minutes before being taken back. The RN completed the pre-screening promptly. Dr. Skugor came in within minutes of being take to the exam room.

Reviewed on Aug 28, 2018

I found this dr to be extremely knowledgeable. I thought he had a personality that was great and put my at ease for surgery. I used him for second opinion. he is a 10!

Reviewed on Aug 13, 2018

I am grateful for having Dr Skugor being there to help and guide me.

Reviewed on Jul 3, 2018

Dr. Skugor was very professional and personable. I am actually contemplating keeping him as my provider.

Reviewed on Apr 26, 2018

Dr. Skugor is very friendly and personable. He is thorough with his explanations, is very attentive and truly makes you feel like he values you as a patient.

Reviewed on Apr 11, 2018

Thanks to Anita Hollis for setting up the apptThank you Dr for your assistance

Reviewed on Apr 10, 2018

A Great Experience with the Doctor.Explained everything. Great bedside manner. I have complete confidence in the Doctor. An excellent experience!

Reviewed on Feb 1, 2018

Dr. Skugar was hard to hear.

Reviewed on Jan 22, 2018

everything is beyond GOOD. I trust all decisions he is making concerning any medication.

Reviewed on Jan 22, 2018

very helpful, kind and welcoming.

Reviewed on Jan 9, 2018

He is the best!!!!

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