Margretta Gennantonio, MD
NPI 1295735884 · Geriatric Medicine (Internal Medicine) Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margretta Gennantonio, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Cincinnati, OH (NPI 1295735884).
Provider details
- NPI number
- 1295735884
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 35073091 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
717 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 347 | $70 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 174 | $102 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 124 | $172 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 72 | $126 |
Typical Medicare-allowed amounts for these services range $70–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 266 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,110 | 170 |
| Apixabanbrand: Eliquis | 632 | 89 |
| Furosemide | 627 | 102 |
| Levothyroxine Sodium | 608 | 89 |
| Sertraline Hcl | 542 | 86 |
| Gabapentin | 526 | 78 |
| Potassium Chloride | 496 |
Practice location
Mailing address
Additional practice locations (3)
- 7691 5 Mile RdCincinnati, OH 45230-4348Phone: (513) 246-9700Fax: (513) 246-9505
- 5343 Hamilton Ave Fl 2Cincinnati, OH 45224-3130Phone: (513) 246-5360Fax: (513) 246-9121
- 4310 Cooper RdCincinnati, OH 45242-5613Phone: (513) 246-9373Fax: (513) 246-9121
Registry dates
- Enumerated
- 2005-07-26
- Last updated
- 2021-10-20
- Certified
- 2021-10-20
Frequently asked questions
- What is Margretta Gennantonio's NPI number?
- Margretta Gennantonio's National Provider Identifier (NPI) is 1295735884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margretta Gennantonio's specialty?
- Margretta Gennantonio is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Margretta Gennantonio located?
- Margretta Gennantonio's practice location on file with NPPES is 7240 Algonquin Dr, Cincinnati, OH 45243-3514.
- What is Margretta Gennantonio's phone number?
- The practice phone number listed in the NPPES registry for Margretta Gennantonio is (513) 271-3520.
- Does Margretta Gennantonio accept Medicare?
- Margretta Gennantonio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margretta Gennantonio's NPI active?
- Yes — Margretta Gennantonio's NPI (1295735884) is active in the NPPES registry as of the last update on 2021-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.