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

Dr. John B Gennaro, DDS

Individual provider General Practice Dentistry · NPI 1316073786

Dr. John B Gennaro, DDS is a General Practice Dentistry in Marrero, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

Licensed in
LA
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

828 Avenue G
Marrero, LA 70072-1830
Phone: (504) 341-5200
Fax: (504) 341-6977
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 2285 (LA)

Record details

NPI number1316073786
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Marrero