John Byrne, M.D.
John Byrne is an Allergy & Immunology specialist based in Riverhead, NY with over 31 years of clinical experience. Offers virtual telehealth visits.
John Byrne, M.D. has practiced allergy & immunology for 31+ years, working in group practice. He graduated from New York Medical College in 1995 and has 31+ years of clinical experience. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
Older · 4385dNPPES updated 2014-05-21 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
1149 Old Country Road Suite E-1, Riverhead, NY 11901-2063
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+1%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+5%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-1%) — less common here
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+17%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1995
New York Medical College
31 years in practice
Senior practitioner
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Taxonomy: 207K00000X
Education & Training
New York Medical College (Class of 1995)
Virtual Allergy & Immunology Care With John Byrne
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Byrne for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Riverhead required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John Byrne
NPI records show Dr. Byrne as active with telehealth listed in Riverhead, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (631) 591-2209.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact John Byrne
Practice Location
1149 Old Country Road Suite E-1, Riverhead, NY 11901-2063
This is a provider directory. Contact the office directly to schedule appointments.
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