Sonja Leahy, FNP
NPI 1861764326 · Family Nurse Practitioner · Valencia, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonja Leahy, FNP is a Family Nurse Practitioner provider in Valencia, CA (NPI 1861764326).
Provider details
- NPI number
- 1861764326
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN18385 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 104 | 36 |
| Levetiracetam | 27 | 12 |
| Gabapentin | 20 | 11 |
| Donepezil Hcl | 17 | — |
| Ofloxacin | 16 | 15 |
| Sertraline Hcl | 15 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,697 across 73 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 24355 Lyons Ave Ste 130Newhall, CA 91321-2323Phone: (661) 255-9355
Registry dates
- Enumerated
- 2012-01-30
- Last updated
- 2023-02-05
- Certified
- 2023-02-05
Frequently asked questions
- What is Sonja Leahy's NPI number?
- Sonja Leahy's National Provider Identifier (NPI) is 1861764326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Leahy's specialty?
- Sonja Leahy is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sonja Leahy located?
- Sonja Leahy's practice location on file with NPPES is 23861 Mcbean Pkwy Ste A4, Valencia, CA 91355-2003.
- What is Sonja Leahy's phone number?
- The practice phone number listed in the NPPES registry for Sonja Leahy is (661) 202-3248.
- Does Sonja Leahy accept Medicare?
- Sonja Leahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonja Leahy's NPI active?
- Yes — Sonja Leahy's NPI (1861764326) is active in the NPPES registry as of the last update on 2023-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.