Charles Leahy, MD
NPI 1912694373 · Internal Medicine Physician · Canandaigua, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Leahy, MD is a Internal Medicine Physician provider in Canandaigua, NY (NPI 1912694373).
Provider details
- NPI number
- 1912694373
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 340253 (NY)
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
3 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 52 | 16 |
| Atorvastatin Calcium | 47 | 20 |
| Torsemide | 37 | 12 |
| Amlodipine Besylate | 32 | 12 |
| Metformin Hclbrand: Metformin Hcl Er | 32 | — |
| Pantoprazole Sodium | 31 | — |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-04-18
- Last updated
- 2026-04-10
- Certified
- 2026-04-10
Frequently asked questions
- What is Charles Leahy's NPI number?
- Charles Leahy's National Provider Identifier (NPI) is 1912694373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Leahy's specialty?
- Charles Leahy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Leahy located?
- Charles Leahy's practice location on file with NPPES is 350 Parrish St, Canandaigua, NY 14424-1731.
- What is Charles Leahy's phone number?
- The practice phone number listed in the NPPES registry for Charles Leahy is (585) 396-6000.
- Does Charles Leahy accept Medicare?
- Charles Leahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Leahy's NPI active?
- Yes — Charles Leahy's NPI (1912694373) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.