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

Douglas A. Byrnes, MD, PC

Organization Cardiovascular Disease Physician · NPI 1619156825

Douglas A. Byrnes, MD, PC is a Cardiovascular Disease Physician in Huntington, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

152 E Main St Ste B
Huntington, NY 11743-2958
Phone: (631) 425-1616
Fax: (631) 425-1630
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 135282 (NY)

Record details

NPI number1619156825
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Douglas Byrnes — President · (631) 425-1616
NPI enumeratedOctober 24, 2007
Last updated in NPPESFebruary 14, 2008
Mailing address152 E Main St, Suite B, Huntington, NY 11743-2958

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