Margretta E. Gennantonio, MD
Geriatric Medicine (Internal Medicine) Physician · Cincinnati, OH
Margretta E. Gennantonio, MD is a geriatric medicine (internal medicine) physician with a practice address in Cincinnati, Ohio, and NPI 1295735884, issued on Jul 26, 2005. Check the license (Ohio 35073091, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Margretta E. Gennantonio
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 35073091 OH
Self-reported in NPPES; status is on the state search - Practice location
- 7240 Algonquin Dr, Cincinnati, OH 45243
- Phone
- (513) 271-3520
- Enumerated
- Jul 26, 2005
- Record last updated
- Oct 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 0215521 OH
2132267 OH - Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 132 in Ohio → Look up another NPI →
Verify Margretta E. Gennantonio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35073091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.2 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
22,112 Medicare Part D claims for 492 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 736 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,110 claims
- Eliquis632 claims
- Furosemide627 claims
- Levothyroxine Sodium608 claims
- Sertraline Hcl542 claims
- Gabapentin526 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Margretta E. Gennantonio among 132 geriatric medicine (internal medicine) physician records in Ohio
Margretta E. Gennantonio, MD is one of 132 geriatric medicine (internal medicine) physician records with a practice address in Ohio. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2021 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Ohio
There are 132 geriatric medicine (internal medicine) physician records in Ohio.
All 132 in Ohio → Every provider in Cincinnati → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Aman Ahmed, MDMontgomery, OH 452421316046188
- Jeffrey Schneider, MDCincinnati, OH 452421174598080
- Gretchen Serota, MDCincinnati, OH 452441730199522
- Shachi Singh, MDCincinnati, OH 452421720157738
- Gianfranco Valle, MDBlue Ash, OH 452421194894287
- Andrew Grubbs, MDCincinnati, OH 452411720081151
- Amanda Arnold, M.D.Cincinnati, OH 452461013276229
- Sally Brooks, M.D.Cincinnati, OH 452461538148176
Common questions
What is Margretta E. Gennantonio, MD's NPI number?
Margretta E. Gennantonio, MD's National Provider Identifier (NPI) is 1295735884, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margretta E. Gennantonio, MD located?
The NPPES record lists a practice address at 7240 Algonquin Dr, Cincinnati, OH, 45243. Phone: (513) 271-3520. Providers update this record themselves, so call before visiting.
How can I verify Margretta E. Gennantonio, MD's license?
NPPES lists Ohio license number 35073091, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margretta E. Gennantonio, MD prescribe under Medicare Part D?
In 2024, Margretta E. Gennantonio, MD had 22,112 Medicare Part D claims for 492 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.