Margaretta E. Gennantonio MD
NPI 1508929498 · Geriatric Medicine (Internal Medicine) Physician · Mason, OH
Margaretta E. Gennantonio MD is a Geriatric Medicine (Internal Medicine) Physician organization in Mason, OH (NPI 1508929498).
Provider details
- NPI number
- 1508929498
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Margaretta Gennantonio, Owner(513) 336-3141
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2008-09-03
Frequently asked questions
- What is Margaretta E. Gennantonio MD's NPI number?
- Margaretta E. Gennantonio MD's National Provider Identifier (NPI) is 1508929498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Margaretta E. Gennantonio MD?
- Margaretta E. Gennantonio MD is classified in the NPPES registry as Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Margaretta E. Gennantonio MD located?
- Margaretta E. Gennantonio MD's practice location on file with NPPES is 5467 Cedar Village Dr, Mason, OH 45040-8693.
- What is Margaretta E. Gennantonio MD's phone number?
- The practice phone number listed in the NPPES registry for Margaretta E. Gennantonio MD is (513) 336-3141.
- Who is the authorized official for Margaretta E. Gennantonio MD?
- The authorized official listed on Margaretta E. Gennantonio MD's NPPES record is Margaretta Gennantonio, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Margaretta E. Gennantonio MD's NPI active?
- Yes — Margaretta E. Gennantonio MD's NPI (1508929498) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.