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

Mark N Fiengo, DO

Individual provider Interventional Cardiology Physician · NPI 1245214220

Mark N Fiengo, DO is an Interventional Cardiology Physician in Waterford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2005.

Licensed in
CT
In the registry since
2005
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

196 Pkwy S Ste 103
Waterford, CT 06385-1234
Phone: (860) 443-4383
Fax: (860) 443-3980
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 000281 (CT)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 00281 (CT)

Record details

NPI number1245214220
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 2, 2005
Last updated in NPPESMarch 10, 2020
Certification dateMarch 10, 2020