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John Gennaro, D.D.S
NPI 1316073786 · General Practice Dentistry · Marrero, LA
John Gennaro, D.D.S is a General Practice Dentistry provider in Marrero, LA (NPI 1316073786).
Provider details
- NPI number
- 1316073786
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2285 (LA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
828 Avenue G
Marrero, LA 70072-1830
Phone: (504) 341-5200
Fax: (504) 341-6977
Street-level locationGet directions
Mailing address
4917 Guidry St
Metairie, LA 70006-1120
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Gennaro's NPI number?
- John Gennaro's National Provider Identifier (NPI) is 1316073786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gennaro's specialty?
- John Gennaro is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Gennaro located?
- John Gennaro's practice location on file with NPPES is 828 Avenue G, Marrero, LA 70072-1830.
- What is John Gennaro's phone number?
- The practice phone number listed in the NPPES registry for John Gennaro is (504) 341-5200.
- Is John Gennaro's NPI active?
- Yes — John Gennaro's NPI (1316073786) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.