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
Mailing address4917 Guidry St, Metairie, LA 70006-1120

Other providers in Marrero