Mary Leahy, APRN
NPI 1669496113 · Family Nurse Practitioner · Avon, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Leahy, APRN is a Family Nurse Practitioner provider in Avon, CT (NPI 1669496113).
Provider details
- NPI number
- 1669496113
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 002626 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
549 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 158 | $114 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $148 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $81 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 48 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 46 | $99 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 114 | 105 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 64 | 58 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 59 | 54 |
| Azithromycin | 56 | 53 |
| Doxycycline Hyclate | 55 | 52 |
| Cephalexin | 39 | 38 |
| Naproxen | 32 | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2020-03-30
- Certified
- 2020-03-30
Frequently asked questions
- What is Mary Leahy's NPI number?
- Mary Leahy's National Provider Identifier (NPI) is 1669496113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Leahy's specialty?
- Mary Leahy is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Leahy located?
- Mary Leahy's practice location on file with NPPES is 35 Nod Rd Ste 205, Avon, CT 06001-3826.
- What is Mary Leahy's phone number?
- The practice phone number listed in the NPPES registry for Mary Leahy is (860) 409-1507.
- Does Mary Leahy accept Medicare?
- Mary Leahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Leahy's NPI active?
- Yes — Mary Leahy's NPI (1669496113) is active in the NPPES registry as of the last update on 2020-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.