Leigh K. Preston, PA-C
NPI 1417979220ActiveIndividual· Physician Assistant, Medical· Newark, DE
Physician Assistant, Medical (PA-C) with Iu Health Medical Group LLC, practicing in Newark, Delaware. Their prescriptions cost Medicare Part D more than their services did: $91,843 for 183 claims, against $4,842 paid for services in 2024. Janssen Scientific Affairs, LLC was the largest of 4 companies reporting payments in 2025, $131.49 in all, mostly food and beverage. Lists Indiana University Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417979220 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Dec 21, 2023 |
| Certified by provider | Dec 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | C50000618 | DE |
| Hospitalist | 208M00000X | C0002871 | MD |
| Physician Assistant | 363A00000X | 10004210A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (DE); Practitioner - Physician Assistant (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 52 across 6 procedure codes |
| Paid by Medicare | $4,842 |
Part D prescriptions in 2024
| Prescriptions (claims) | 183 · 305 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $91,843 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health North HospitalCarmel, IN
Industry payments (Open Payments)
- 2025$131.49 · 5 payments from 4 companies
- 2024$109.21 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $46.43 | 1 |
| Abbvie Inc. | $36.01 | 2 |
| Regeneron Healthcare Solutions, Inc. | $30.79 | 1 |
| Braintree Laboratories, Inc. | $18.26 | 1 |
What the 2025 payments were for
- Food and Beverage$131.49 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 physician assistants in Newark · All physician assistants in Delaware