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

Ronald Joseph Dandrea, MD

Individual provider Internal Medicine Physician · NPI 1225146848

Ronald Joseph Dandrea, MD is an Internal Medicine Physician in Watertown, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
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

51 Depot St
Watertown, CT 06795
Phone: (860) 274-5497
Fax: (860) 945-9054
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence AD017531 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence AD017531 (CT)

Record details

NPI number1225146848
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESSeptember 11, 2025

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