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Department Sleep Disorders Center
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon No
Locations Specialties & Treatments

Treatment & Services

  • Actigraphy
  • Clinical Trials
  • Epilepsy Surgery
  • Epilepsy Surgery Evaluation
  • Interpretation of EEG in the critical care setting
  • Intracranial EEG monitoring and brain mapping for presurgical evaluation
  • Polysomnogram
  • Positive Airway Pressure Titration (cpap; Bilevel Pap Titration)
  • Sleep Medicine
  • Sleep Studies
View all 10 Treatment & Services +

Specialty in Diseases & Conditions

  • Adult Epilepsy
  • Brain Malformations Causing Epilepsy
  • Circadian Rhythm Disorders
  • Clinical Neurophysiology
  • Complex Epilepsy in Adults
  • Electroencephalogram (EEG)
  • First Seizure Assessment
  • Geriatric Epilepsy
  • Hypersomnia
  • Insomnia
  • Intractable (Drug Resistant) Epilepsy
  • Malformations Of Cortical Development
  • Narcolepsy
  • Neurofibromatosis Causing Epilepsy
  • Rem Sleep Behavior Disorder
  • Restless Leg Syndrome
  • Seizures
  • Sleep and Epilepsy Issues
  • Sleep Apnea
  • Status Epilepticus (continuous Seizures)
  • Traumatic Brain Injury Causing Seizures
  • Women's Health And Epilepsy
View all 22 Specialties +


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About Nancy Foldvary-Schaefer, DO, MS

Nancy Foldvary-Schafer, DO, MS is Director of the Sleep Disorders Center and Staff in the Epilepsy Center.  She is Professor of Medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University with a Joint Appointment in the Women’s Health Center at Cleveland Clinic.
Certified by the American Board of Neurology and Psychiatry in Neurology, Clinical Neurophysiology and Sleep Medicine and the American Board of Clinical Neurophysiology, she has treated patients with sleep disorders and epilepsy at Cleveland Clinic since 1995. She has served as a lead investigator on numerous clinical trials and has published on sleep and epilepsy, epilepsy surgery, EEG, women's issues in epilepsy and sleep disorders.
Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Duke University Hospital
Clinical Neurophysiology
Durham, NC USA

Residency - Loyola University Medical Center
Maywood, IL USA

Residency - Evanston Hospital
Internal Medicine
Evanston, IL USA

Internship - Chicago Osteopathic Medical Center
Chicago, IL USA

Medical Education - Chicago College of Osteo. Med. @ Midwestern University
Downers Grove, IL USA

Undergraduate - Loyola University of Chicago
Chicago, IL USA

Additional Training

  • Master of Science in Clinical Research from Case Western Reserve University, 2011

Professional Highlights

  • Published several books on sleep disorders including "The Cleveland Clinic Guide to Sleep Disorders", Kaplan Publishing, 2009 and "Sleep Disorders: A Case a Week from the Cleveland Clinic", Oxford University Press, 2010.


  • Psychiatry and Neurology - Neurology
  • Psychiatry and Neurology - Clinical Neurophysiology
  • Psychiatry and Neurology - Sleep Medicine
  • Psychiatry and Neurology - Epilepsy

Specialty Interests

Adult epilepsy and sleep disorders, sleep and epilepsy, women's health and epilepsy, clinical trials, clinical neurophysiology, surgical evaluation of epilepsy

Awards & Honors

  • Listed in "Top Docs," Cleveland Magazine, 2007-11.

    Received 2004 Epilepsy Association Legacy Award, 2006-2007 Cleveland Clinic Innovators Award, and 2008 Cleveland Clinic Neurological Institute Professional Staff Award.

Innovations & Patents

  • Pioneering use of hotel-based sleep laboratories in a large tertiary care center


  • American Academy of Neurology
  • American Academy of Sleep Medicine
  • American Epilepsy Society
  • Sleep Research Society
  • American Clinical Neurophysiology Society
Research & Publications

Research & Publications

See publications for Nancy Foldvary-Schaefer, DO, MS.

(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 9/27/2021, Dr. Foldvary-Schaefer has reported the financial relationships with the companies listed below. 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.

Consulting and/or Speaking. Dr. Foldvary-Schaefer receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:

  • Jazz Pharmaceuticals, plc

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

106 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
4.9 out of 5
Explains 4.9
Listens 4.7
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

25 Patient Comments

Reviewed on Sep 29, 2021

Easy to do and Dr Foldvary Schaefer is Excellent!

Reviewed on Sep 22, 2021

Dr Foldvary is excellently. I came with an outline. Dr Foldvary listened carefully, responded to each concern, and offered proposed course of action.

Reviewed on Sep 21, 2021

Dr. Foldvary is superior to all physians I've ever seen.

Reviewed on Sep 21, 2021

I wouldn't go to anyone else. Dr. Foldvary and her staff are great!

Reviewed on Sep 21, 2021

Dr. Folvary is kind, empathetic and very knowledgeable. Im so happy to have her as my Neurologist. She has helped me more than any other Neurologist has. Thank you so much!

Reviewed on Sep 8, 2021

Dr. Foldvary is the BEST! She gave me back my ability to live my life!

Reviewed on Aug 25, 2021

Dr Foldvary is the best. It is so nice to have such an accomplished physician who is also so kind

Reviewed on Jul 27, 2021

Dr foldvary is a very good doctor and cares about her patients.

Reviewed on Jul 21, 2021

Dr. Foldvary is orders of magnitude above your "very good" on everything

Reviewed on Jun 8, 2021

Dr. Foldvary is the best! She is a kind, compassionate, and respectful doctor.

Reviewed on Apr 28, 2021

I am 65 y.o. and Dr. Foldvary-Schaefer is the best clinician I have ever had.

Reviewed on Apr 27, 2021

I've had an awesome experience with Dr. Foldvary and her office so far! I called around 9-10am on a Tuesday morning and the office had a zoom appointment opening for the same day that afternoon! The appointment with Dr. Foldvary was one of the best I've had. She was engaged/non-dismissive as I listed out my concerns and I could tell that she cares about my situation and really wants to help. I have renewed hope for improvement after just the first appointment! Her path-forward directions were clear and her MyChart messaging/responses have been prompt. I couldn't be happier with the experience and I look forward to the next appointment!

Reviewed on Apr 13, 2021

amazing doctor! she is very easy to talk to! very knowledgeable!

Reviewed on Apr 13, 2021

always feel Dr Foldvary listens to my health care needs

Reviewed on Apr 7, 2021

Dr. Foldvary took her time to ask caring questions and understand my situation.

Reviewed on Apr 1, 2021

Dr. Nancy was very good at asking questions and listening to my responses. She was friendly and provided good feedback. I am pleased with the recommendation she made for treatment and for the education she provided about various sleep disorders.

Reviewed on Mar 31, 2021

she is the best doctor I have ever had and I wouldn't trade her for any other I truly trust her with all aspects of my Healthcare..

Reviewed on Feb 24, 2021

Dr. Foldvary took the time to listen carefully to my issues and to make me a part of the plan of care.

Reviewed on Feb 17, 2021

I have so much major confidence and trust in Dr. Nancy Foldvary -Schaefer, that I could never ever imagine going to anyone else as long as either one of us live for my Narcolepsy and Sleep Apnea! She is absolutely amazing in so many different ways and so sincere!

Reviewed on Feb 10, 2021

This was an amazingly refreshing experience. I've had some real struggles connecting with doctors about my issues and Dr. Foldvary was very responsive and understanding and helpful. I felt comfortable immediately and feel great about the discussion and plan moving forward.

Reviewed on Feb 10, 2021

Web portal made it very difficult to hear the doctor.

Reviewed on Dec 9, 2020

Dr. Fold are is top notch! I wouldn't think of going to anyone else but her for my Neurological care. By far, she has been the BEST Neurologist I've seen over the years!

Reviewed on Nov 3, 2020

Dr. Foldvary is an amazing physician. She always expresses concern over my well-being and is always trying to improve my quality of life. She listens to my concerns and provides great feedback.

Reviewed on Oct 28, 2020

truly listened to my concerns from previous appointments with another provider who didn't. Good teamwork with the resident who took 80% of my appointment.

Reviewed on Oct 14, 2020

As a seasoned caregiver, I knew right away that Dr Foldvary was very knowledgeable and truly patient centered. This has been consistent over 15+ years. She always takes the time to listen and explore alternate treatment options. She is an exceptional provider and made my life so much better !

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