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Dr. Michael Oneill, MD
Internal Medicine* Age 39
Dr. Michael Oneill, MD

Offers telehealth

Dr. Michael Oneill, MD is an Internist in Fairfield, CT.
Dr. Michael Oneill, MD

Dr. Michael Oneill, MD

Internal Medicine* Age 39
Fairfield, CT
Accepting new patients

Offers telehealth

Dr. Michael Oneill, MD is an Internist in Fairfield, CT.
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About Dr. Michael Oneill, MD

Dr. Oneill graduated from American University of The Caribbean School of Medicine and completed a residency at Danbury Hospital. Dr. Michael Oneill, MD is an Internist in Fairfield, CT. Dr. Oneill's office accepts new patients and telehealth appointments. Dr. Oneill is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Compare with other Internists

Compare Dr. Oneill with our nearby Internists at MDVIP
These providers are on the medical staff of MDVIP
These providers are on the medical staff of MDVIP.
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Experience Check

Enter a condition or procedure
Muscle Spasm
Joint Pain
Muscle Cramping
Muscle Spasm
Joint Pain
Muscle Cramping
Arterial Blood Gas Test (ABG)
All Headaches (incl. Migraine)
Care Coordination for Complex Conditions and Procedures
Acute Upper Respiratory Infection
Limb Pain
Electrocardiogram (EKG)
Mild Asthma
Pharyngitis
Immunization Administration
Dehydration
Urinary Tract Infection (UTI)
Tobacco Use Disorder
Strep Throat
Administrative Physical
Nausea
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Fever
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Constipation
Foot Infection
Smoking Cessation Counseling
Shortness of Breath
Urinary Incontinence
Nail Infection
Abdominal Pain
Acute Bronchitis
Acute Lower Respiratory Infection
Adult Failure to Thrive
Anal or Rectal Pain
Anaphylaxis
Asphyxia and Hypoxemia
Bacterial Sepsis
Bleeding Disorders
Bruise of Face, Scalp, or Neck
Cachexia
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Carotid Artery Disease
Cerebral Embolism
Coccyx or Sacrum Fracture
Common Cold
Concussion
Cranial Trauma
Diarrhea
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Difficulty With Walking
Down Syndrome
Drooping Eyelids (Ptosis)
Drug Withdrawal
Embolism
  • View other providers who treat Embolism
Familial Hypercholesterolemia
Gastroptosis
Herpes Zoster Without Complication
Ingrown Nail
Intestinal Diverticulitis
Leukocytopenia
Long COVID Disorder
Opioid Withdrawal
Partial Lung Collapse
Pelvic Fracture
Respiratory Failure
Rhabdomyolysis
Scrotal Pain
Sebaceous Cysts
Secondary Hypertension
Throat Pain
Thrush
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Tonsillitis
Venous Embolism and Thrombosis
Ventricular Tachycardia (VT)
Wrist Sprain or Strain

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • MVP Health Plan EPO
  • Freedom
  • Liberty Mutual Insurance Company
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • First Health (Coventry Health Care) PPO
  • Choice Care PPO
    Choice Care Network PPO
  • Medica Choice

Where Dr. Michael Oneill, MD Sees Patients

  1. 1 Smilow-Fairfield
    111 Beach Rd, Fairfield, CT 06824
  2. 2 Hartford Healthcare Urgent Care-Fairfield
    1262 Post Rd, Fairfield, CT 06824
  3. 3 Vassar Brothers Medical Center
    45 Reade Pl, Poughkeepsie, NY 12601
  4. 4 Rite Aid Pharmacy 10354
    340 Flanders Rd, East Lyme, CT 06333

What Patients Say

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Oneill?
Call now to make an appointment
(203) 696-3560

Meet Dr. Michael Oneill, MD

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Oneill communicate via email?
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Does Dr. Oneill offer telehealth services or virtual visits?
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Does Dr. Oneill offer an online patient portal?
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Does Dr. Oneill specialize in working with children or adolescents?
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Does Dr. Oneill specialize in working with seniors?
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Does Dr. Oneill specialize in couples therapy?
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FAQs About Dr. Oneill's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Michael Oneill, MD. To arrange an appointment, call the number on Dr. Oneill's profile.

Dr. Michael Oneill, MD is affiliated with Saint Vincent's Medical Center.

Yes, Dr. Michael Oneill, MD holds board certification in Internal Medicine.

Training & Medical Education
Medical Education
  • American University of The Caribbean School of Medicine
Medical Education
Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Residency Hospital
  • Danbury Hospital
Residency Hospital

Hospitals Where Dr. Michael Oneill, MD Practices

  • Saint Vincent's Medical Center

    2800 Main St, Bridgeport, CT

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