Overview
Michael O'neill is a primary care provider, practicing in Internal Medicine in Fairfield, Connecticut.
Dr. O'neill is highly rated in 5 conditions, according to our data. His clinical expertise encompasses Folate Deficiency, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Subacute Combined Degeneration.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
111 Beach Rd, Fairfield, CT 06824
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Frequently Asked Questions about Dr. Michael R. O'neill
How do I make an appointment with Dr. Michael R. O'neill?
You can book an appointment with Dr. Michael R. O'neill by calling their office at 203-255-2340. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Michael R. O'neill a top-rated expert for Folate Deficiency?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Michael R. O'neill is classified as an Advanced expert for Folate Deficiency, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Michael R. O'neill specialize in?
While Dr. Michael R. O'neill is a Internal Medicine, they have specific expertise in Folate Deficiency, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Michael R. O'neill accept my insurance?
Dr. Michael R. O'neill accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 203-255-2340 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Folate DeficiencyDr. O'neill isAdvanced. Learn about Folate Deficiency.
- Multiple Carboxylase DeficiencyDr. O'neill isAdvanced. Learn about Multiple Carboxylase Deficiency.
- Subacute Combined DegenerationDr. O'neill isAdvanced. Learn about Subacute Combined Degeneration.
- Vitamin B12 Deficiency AnemiaDr. O'neill isAdvanced. Learn about Vitamin B12 Deficiency Anemia.
- Vitamin D DeficiencyDr. O'neill isAdvanced. Learn about Vitamin D Deficiency.
- Experienced
- Acquired TracheomalaciaDr. O'neill isExperienced. Learn about Acquired Tracheomalacia.
- Attention Deficit Hyperactivity Disorder (ADHD)
- Atypical PneumoniaDr. O'neill isExperienced. Learn about Atypical Pneumonia.
- CellulitisDr. O'neill isExperienced. Learn about Cellulitis.
- COVID-19Dr. O'neill isExperienced. Learn about COVID-19.
- Familial HypertensionDr. O'neill isExperienced. Learn about Familial Hypertension.
- Gastroesophageal Reflux Disease (GERD)Dr. O'neill isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Glucocorticoid-Remediable AldosteronismDr. O'neill isExperienced. Learn about Glucocorticoid-Remediable Aldosteronism.
- High CholesterolDr. O'neill isExperienced. Learn about High Cholesterol.
- Hospital-Acquired PneumoniaDr. O'neill isExperienced. Learn about Hospital-Acquired Pneumonia.
- HypertensionDr. O'neill isExperienced. Learn about Hypertension.
- Jock ItchDr. O'neill isExperienced. Learn about Jock Itch.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- NecrosisDr. O'neill isExperienced. Learn about Necrosis.
- ObesityDr. O'neill isExperienced. Learn about Obesity.
- Obesity in ChildrenDr. O'neill isExperienced. Learn about Obesity in Children.
- Oral HerpesDr. O'neill isExperienced. Learn about Oral Herpes.
- Peptic UlcerDr. O'neill isExperienced. Learn about Peptic Ulcer.
- PneumoniaDr. O'neill isExperienced. Learn about Pneumonia.
- SciaticaDr. O'neill isExperienced. Learn about Sciatica.
- SepsisDr. O'neill isExperienced. Learn about Sepsis.
- TracheobronchomalaciaDr. O'neill isExperienced. Learn about Tracheobronchomalacia.
- Urinary Tract Infection (UTI)Dr. O'neill isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. O'neill isExperienced. Learn about Urinary Tract Infection in Children.