Summary

Dr. Joseph Guarnaccia specializes in neurology and internal medicine, bringing nearly four decades of medical expertise to his practice. He earned his medical degree from the University of Oklahoma College of Medicine and completed his residency training at Yale University School of Medicine. With 39 years of experience treating patients, Dr. Guarnaccia has developed extensive knowledge in neurological conditions and comprehensive internal medicine care. He provides medical services in English.

Dr. Guarnaccia practices at Griffin Hospital and Kent Hospital, with locations in Derby, Connecticut and Warwick, Rhode Island. His clinical focus centers on multiple sclerosis care, including treatment of primary progressive and progressive relapsing forms of the condition. He offers specialized therapies such as infusion treatments and intravenous therapy to help manage neurological symptoms. Patients have given him an average rating of 4.0 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • 4
  • 39 years of experience
  • speaks English
  • Yale University School Of Medicine
  • 9 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Joseph Blaise Guarnaccia has 2 locations

Multiple Sclerosis Treatment Center

350 SEYMOUR AVE STE 1CDERBY, CT 06418
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Kent Hospital

455 Toll Gate RdWarwick, RI 02886

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Dr. Joseph Blaise Guarnaccia, MD
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Dr. Joseph Blaise Guarnaccia, MDDr. Stephen Ross Baldassarri, MDDr. Anne Marie Boustani, MDDr. Melissa Pauline Knauert, MD
NeurologyCritical Care MedicineNuclear MedicineSleep Medicine
Accepts New Patients Accepts New Patients
39 Years of Experience 17 Years of Experience 17 Years of Experience 24 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
DERBY , CTNEW HAVEN , CTNew Haven , CTNEW HAVEN , CT
Med School: University Of Oklahoma College Of Medicine Med School: Boston University School Of Medicine Med School: University Of Toledo College Of Medicine Med School: Yale University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Joseph Blaise Guarnaccia

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Joseph Blaise Guarnaccia has the following 2 specialties

Specialty Expertise

Dr. Joseph Blaise Guarnaccia has the following 10 areas of expertise

  • Alzheimer's Disease
  • Electromyography
  • Epilepsy
  • Headache
  • Internal Medicine
  • Migraine Disorder
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Nerve Conduction Studies
  • Stroke

Certifications, License, & Education

39 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2026, Expired
Medical Doctor, Rhode Island, 2026, Active

EDUCATION & TRAINING

Residency

Yale University School Of Medicine

Medical School

University Of Oklahoma College Of MedicineGraduated in 1987

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Frequently Asked Questions

Is Dr. Joseph Guarnaccia accepting new patients?
Dr. Joseph Guarnaccia has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Joseph Guarnaccia accept my insurance?
You can see the insurance plans that Dr. Joseph Guarnaccia accepts on their Vitals profile.
Which hospitals is Dr. Joseph Guarnaccia affiliated with?
Dr. Joseph Guarnaccia is affiliated with Griffin Hospital and Kent Hospital.
What languages does Dr. Joseph Guarnaccia speak?
Dr. Joseph Guarnaccia speaks English.
How can I make an appointment with Dr. Joseph Guarnaccia?
You can find contact information for Dr. Joseph Guarnaccia here on Vitals.

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