Summary

Dr. O'Neil received her medical degree in 1992 from University of Connecticut John Dempsey Hospital. She did her fellowship at University of Connecticut John Dempsey Hospital from 1995 thru 1996.

Quick Facts

  • accepting new patients
  • 4.3
  • 34 years of experience
  • speaks English
  • University Of Connecticut School Of Medicine
  • 4 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 3 office locations
  • Female

Office Locations

Dr. Margaret Mary Oneill has 3 locations

Central Pediatric And Adolescent Medicine

970 Farmington Ave Ste 201West Hartford, CT 06107
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Hartford Hospital

80 Seymour StHartford, CT 06102

Hartford Hospital

80 Seymour StHartford, CT 06106

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Dr. Margaret Mary Oneill, MDSR Fredy David Valero HernandezDr. Marisa Dias Mendes, MDDr. Eileen Patricia Mercurio, MD
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
34 Years of Experience 9 Years of Experience 13 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks Polish, Spanish
West Hartford , CTFranklin , TNFranklin , TNHartford , CT
Med School: University Of Connecticut School Of Medicine Med School: Pontificia Universidad Javeriana - Bogota, Colombia Med School: New Jersey Medical School Med School: New York University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Margaret Mary Oneill

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Margaret Mary Oneill has the following 2 specialties

Specialty Expertise

Dr. Margaret Mary Oneill has the following 6 areas of expertise

  • Acne
  • Adolescent Medicine
  • Birth Control
  • Eating Disorders
  • Sexually Transmitted Diseases
  • Substance Abuse

Certifications, License, & Education

34 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2025, Expired

EDUCATION & TRAINING

Medical School

University Of Connecticut School Of MedicineGraduated in 1992

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Frequently Asked Questions

Is Dr. Margaret Oneill accepting new patients?
Dr. Margaret Oneill is accepting new patients on Vitals. View Dr. Margaret Oneill's profile on Vitals to make an appointment.
Does Dr. Margaret Oneill accept my insurance?
You can see the insurance plans that Dr. Margaret Oneill accepts on their Vitals profile.
What languages does Dr. Margaret Oneill speak?
Dr. Margaret Oneill speaks English.
Does Dr. Margaret Oneill accept virtual/telehealth appointments?
Dr. Margaret Oneill has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Margaret Oneill affiliated with?
Dr. Margaret Oneill is affiliated with Hartford Hospital and Hartford Hospital.

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