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

John Chris Alexopoulos, MD

Individual provider Internal Medicine Physician · NPI 1306013446

John Chris Alexopoulos, MD is an Internal Medicine Physician in Northport, New York. Licensed in Michigan. Registered with an NPI since 2008.

Licensed in
MI
In the registry since
2008
Specialties on file
2
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

79 Middleville Rd
Northport, NY 11768-2296
Phone: (631) 261-4400
Fax: (631) 863-4878
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301099567 (MI)
Hospitalist Physician Taxonomy 208M00000X · Licence 4301099567 (MI)

Record details

NPI number1306013446
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2008
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026
Mailing address79 Middleville Rd, Northport, NY 11768-2296

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