Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Byrne, MD

Individual provider Allergy & Immunology Physician · NPI 1144227208

Dr. John Byrne, MD is an Allergy/Immunology in Riverhead, New York. Graduated from New York Medical College in 1995, 31 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
31
Trained at
New York Medical College
Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1149 Old Country Rd Ste E-1
Riverhead, NY 11901-2063
Phone: (631) 591-2209
Fax: (631) 591-2194
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 2113491 (NY)

Record details

NPI number1144227208
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2005
Last updated in NPPESMay 21, 2014
Mailing address1149 Old Country Road, Suite E-1, Riverhead, NY 11901-2063

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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