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

Ronald J. Cirillo, MD

Individual provider Specialist · NPI 1831186659

Ronald J. Cirillo, MD is a Specialist in Stamford, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

80 Mill River St Suie 1100
Stamford, CT 06902-3733
Phone: (203) 348-5818
Fax: (203) 969-1735
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Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 026298 (CT)

Record details

NPI number1831186659
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 6, 2005
Last updated in NPPESJuly 23, 2008
Mailing address80 Mill River St, Suie 1100, Stamford, CT 06902-3733

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