Treatment & Services
- Blood Tests
- Bone Density Testing
- Fine Needle Aspiration
- General Endocrinology
- Radioactive Iodine Treatment
- Thyroid Aspiration
- Thyroid Ultrasound
- Thyroid Ultrasound And Biopsy
Specialty in Diseases & Conditions
- Adrenal disorders
- Adrenal insufficiency
- Androgen Deficiency (Low Testosterone)
- Androgen Excess
- Beta-cell disorders
- Bone Disorders
- Calcium Disorders
- Carcinoid Syndrome
- Cushing's Syndrome
- Diabetes - Management
- Diabetes, Gestational
- Empty sella
- Endocrine Complications of Pregnancy
- Endocrine Disorders
- Fasting hypoglycemia
- Flushing Syndromes
- Growth hormone deficiency
- Growth hormone excess
- Hair Loss in Women
- High Cholesterol
- Klinefelter Syndrome
- Male Infertility Testing
- Metabolic Bone Disease
- Metabolic Diseases
- Metabolic Syndrome
- Parathyroid Disease Description
- Pituitary Cysts
- Pituitary Disorders
- Pituitary stalk lesions
- Pituitary Tumors
- Polycystic Ovary Syndrome
- Primary Hyperaldosteronism
- Prolactin Excess States
- Reactive hypoglycemia
- Secondary Hyperparathyroidism
- Tertiary hyperparathyroidism
- Thyroid and pregnancy
- Thyroid Cancer
- Thyroid Disease
- Thyroid Nodule
- Vitamin D Deficiency
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Education & Professional Highlights
Education & Fellowships
Fellowship - Cleveland Clinic
Cleveland, OH USA
Residency - University of Michigan Health System
Ann Arbor, MI USA
Medical School - University of Toledo College of Medicine
Toledo, OH USA
Undergraduate - College of Wooster
Wooster, OH USA
- Internal Medicine
- Internal Medicine - Endocrinology, Diabetes and Metabolism
Type 2 diabetes mellitus, insulin resistance/pre-diabetes/PCOS, hyperthyroidism, thyroid nodules, primary hyperparathyroidism, hypothyroidism in pregnancy, male hypogonadism, pituitary adenoma, hyperprolactinemia, osteoporosis
Research & Publications
(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.)
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 11/25/2016, Dr. Mulligan 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.
264 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.
|Courtesy, Respect & Concern||5|
|Knows Medical History||4.9|
|Time Spent with Patient||5|
|Patient Rating of Doctor||4.9|
28 Patient Comments
Reviewed on Mar 2, 2017
Dr. Mulligan is a great communicator. He provides understandable answers to my questions, listens thoughtfully to my concerns, and engages me in developing a plan for ongoing care.
Reviewed on Feb 2, 2017
Best Dr's visit ever very helpful and understanding, really concerned about trying to figure out my problems and going above and beyond my expectations
Reviewed on Jan 30, 2017
but I am a clinical dietitian, and Dr. Mulligan treats me as another professional. I suspect, however, he would be good at explaining things to a non-health care person.
Reviewed on Dec 23, 2016
I had to wait a while for Dr Mulligan, but he was unhurried and spent time talking to me about the reasons I was there and showed me online what the problems were.
Reviewed on Dec 22, 2016
Dr. Mulligan has, by far, exceeded my expections as an endocrinologist . He spends a good amount of time going over my test results, on how I have been feeling and any concerns or questions I have. Dr. Mulligan genuinely cares about his patients and spends as much time as needed to cover everything! I also really appreciate the fact that he allows me to be a part of my treatment. Over the past 8 years I have seen 3 other Endo's and he has been the most knowledgeable and professional.
Reviewed on Dec 22, 2016
Dr Mulligan is one of the most compassionate, caring and knowledgeable Drs I have ever been in contact with. I would recommend him to anyone who needed an Endocrinologist.
Reviewed on Nov 17, 2016
Dr was very concerned that I understood instructions and if I had any questions that he could help with answers.
Reviewed on Nov 16, 2016
Reviewed on Nov 15, 2016
Dr. Mulligan is an excellent, caring doctor. My condition is complicated and, unlike certain other CCF physicians I have visited over the past several years, he is open-minded, patient and willing to look into new methods of treatment. Dr. Mulligan treats me with respect and sincerely tries to understand my medical issues and concerns. He is everything a physician should be.
Reviewed on Nov 4, 2016
Doctor was considerate of the cost of any changes to my medicines he suggested making; very important to a retiree.
Reviewed on Oct 24, 2016
Always very considerate..
Reviewed on Oct 5, 2016
I was overall very pleased with my visit with Dr. Mulligan as well with the Cleveland Clinic facility. So pleased that I even referred a family member to Dr. Mulligan.
Reviewed on Sep 23, 2016
I can say that they have very helpful to me.
Reviewed on Sep 13, 2016
Dr. Mulligan is a wonderful, caring and compassionate Doctor. He explains things well, listens to my concerns and tries very hard to help.
Reviewed on Sep 8, 2016
I have always felt completely involved in my health care as a patient of Dr. Mulligan. That's why I keep him as my doctor.
Reviewed on Jul 20, 2016
A GREAT doctor!
Reviewed on Jul 8, 2016
As stated earlier, I feel that the Dr. did not include me in the decisions made (or the lab, either) as the Dr. knew that the blood tests requested were from the past. About my on-going medication (Synthyroid) he did give me knowledgeable info and consulted with me. The test he requested for the bone density test was right on.
Reviewed on Jun 16, 2016
Dr. Mulligan is excellent, educational & approachable.
Reviewed on Jun 6, 2016
Reviewed on May 12, 2016
Dr Mulligan works with me and involves me in any decisions about my health. He listens.
Reviewed on May 11, 2016
Dr. Mulligan made me feel at ease, answered all my questions, didn't immediately jump into a therapy plan (wants to be positive of where pain is coming from before doing so), did not seem rushed at all to move on to the next patient, and seemed very knowledgeable and confident in his abilities. I look forward to being under his care, and would highly recommend him.
Reviewed on May 9, 2016
Dr. Muiligan is one of the best, if not the best doctor I have ever had. He is so helpful and actually knows what he is talking about!
Reviewed on Apr 18, 2016
All positive experiences
Reviewed on Apr 13, 2016
Dr. Mulligan is one of the best doctors ever. He diagnosed me right away after years of seeing other providers that were unable to find what was wrong with me.I am blessed to have a doctor like Dr. Mulligan.
Reviewed on Apr 12, 2016
Reviewed on Mar 30, 2016
Dr. Mulligan always treats me like an important part of the decision-making process. He feels like an ally rather than a pilot.
Reviewed on Mar 24, 2016
Again each visit is great
Reviewed on Mar 24, 2016
All very good all of the time.
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