Loading Complete
Charles F. Guardia, III

Charles F. Guardia, III, MD

Sleep MedicineClinical NeurophysiologyNeurology

Accepting New Patients
Online Booking

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult >65

Languages

  • English

Gender

Male

Hospital Affiliations

  • Nuvance Health - New Milford Hospital
  • Nuvance Health - Danbury Hospital

About Charles F. Guardia, III

Professional Statement

Dr. Charles Guardia is a sleep medicine physician and neurologist and is board certified by the American Board of Psychiatry and Neurology in neurology, clinical neurophysiology and sleep medicine. He strives for high-quality, personalized and compassionate care. His areas of expertise include restless legs syndrome, obstructive sleep apnea, sleep-related movement disorders, epilepsy and neuromuscular disorders. In his free time, Dr. Guardia enjoys the outdoors.

Get To Know Me

Why should someone choose you to care for their health?
I use a shared decision making model of care.

What is the most important thing your patients should expect from their professional relationship with you? What do you expect from them?
Honesty is of great importance in the physician/patient relationship, as this allows one to receive exceptional care.

How do you spend your personal time when you're not caring for patients?
I enjoy spending time outdoors.

Why did you choose your specialty and what is its greatest reward?
I chose to pursue a career in sleep medicine and neurology as the illnesses that I care for day-to-day allow for critical thinking and rewarding treatment outcomes.

Disclaimer

*In the spirit of keeping you well-informed, the physician(s)/individual(s) identified are neither agents nor employees of Nuvance Health or any of its affiliate organizations. These clinicians render services to Nuvance Health patients under a contract with Nuvance Health for which Nuvance Health bills the patient. These clinicians retain independent medical judgment for all services rendered.

Expertise

Education

  • Fellowship: Dartmouth-Hitchcock Medical Center, Family Medicine, Sleep Medicine, 2014
  • Fellowship: Dartmouth-Hitchcock Medical Center, Psychiatry & Neurology, Clinical Neurophysiology, 2013
  • Residency: Dartmouth-Hitchcock Medical Center, Psychiatry & Neurology, Neurology, 2012
  • Internship: Dartmouth-Hitchcock Medical Center, Internal Medicine, 2009
  • Medical School: SUNY Downstate Health Sciences University - College of Medicine, 2008

Board Certifications

  • Clinical Neurophysiology: American Board of Psychiatry and Neurology
  • Neurology: American Board of Psychiatry and Neurology
  • Sleep Medicine: American Board of Psychiatry and Neurology

Locations

  1. Nuvance Health Medical Practice - Neurology Danbury (79 Sand Pit Rd.)
Need help scheduling? Call 203-748-2551

Insurance

Note: All providers do not participate with all Insurance Plans, Insurance Plan Products or Employer Groups. Please contact the doctor's office directly to confirm acceptance of your specific insurance plan.
Search plans
  • Aetna
  • Anthem BlueCross Blue Shield Connecticut
  • Capital District Physicians' Health Plan
  • Centivo
  • Cigna
  • ConnectiCare
  • Consumer Health Network
  • Coventry-Aetna
  • Elderplan
  • Emblem Health
  • EmblemHealth
  • Empire BlueCross Blue Shield
  • Empire Health Plan
  • Empire Plan
  • Fidelis Care
  • MagnaCare
  • Medicaid Connecticut
  • Medicaid New York
  • Medicare Connecticut
  • Medicare New York
  • Medicare Railroad
  • Multiplan Inc
  • MVP Health Care
  • Northwell Direct
  • Oxford Health Plans
  • Tricare Humana Military
  • United Healthcare
  • US Family Health Plan
  • Wellcare

Ratings & Reviews

4.8 out of 5

145 ratings, 12 reviews

Provider star ratings are calculated using patient responses to the provider care questions in our patient experience survey. Below you can see the provider’s star rating and the number of his or her patients who have provided feedback. Ratings depicted represent those clinicians that have at least 30 completed surveys on a rolling 12 month basis.

Doctor Spent Enough Time Recently
Composite
Doctor Explain Recently
Search reviews
    5 out of 5 stars
    Reviewed on 12/27/2025

    Easy to talk to.

    5 out of 5 stars
    Reviewed on 12/25/2025

    Dr Guardia is an excellent listener. He takes the time to listen to my concerns and to explain his plan of care. I left my most recent visit feeling satisfied and hopeful .

    5 out of 5 stars
    Reviewed on 12/11/2025

    Dr Guardia and the staff are always professional. Whenever I need scripts refills the staff is always very responsive.

    5 out of 5 stars
    Reviewed on 7/25/2025

    Is a good listener and remembers information from previous visit

    5 out of 5 stars
    Reviewed on 7/23/2025

    very professional, explained test well

    5 out of 5 stars
    Reviewed on 7/23/2025

    He is very professional and provided good feedback

    5 out of 5 stars
    Reviewed on 6/30/2025

    Excellent doctor makes you feel very comfortable

    5 out of 5 stars
    Reviewed on 6/9/2025

    Dr. Guardia is prompt and seems confident in his diagnosis. He's pleasant and explains things, although sometimes it's above my head and sometimes too simplistic.

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

    He gave me better options for treatment and ordered prescriptions

    5 out of 5 stars
    Reviewed on 3/28/2025

    Explained everything so it was easy to understand.

    5 out of 5 stars
    Reviewed on 3/20/2025

    Dr Guardia was very professional spent all the time I needed and answered all my questions I never felt like he was trying to get me out of the office to care for another patient

    5 out of 5 stars
    Reviewed on 3/10/2025

    He was very professional and provided me with great advice and service.