Ashley Stemley, P.A.-C
NPI 1942582739ActiveIndividual· Physician Assistant, Medical· Redlands, CA
Physician Assistant, Medical (P.A.-C) with Pacific Dermatology Institute, practicing in Redlands, California. Their prescriptions cost Medicare Part D more than their services did: $1,240,350 for 1,712 claims, against $61,308 paid for services in 2024. Genzyme Corporation was the largest of 12 companies reporting payments in 2025, $1,722 in all, mostly food and beverage.
Overview
| NPI | 1942582739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C |
| Sole proprietor | Yes |
| NPI issued | Sep 16, 2011 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA21822 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 1,418 across 36 procedure codes |
| Paid by Medicare | $61,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,712 · 1,845 30-day fills |
|---|---|
| Patients | 490 |
| Total drug cost | $1,240,350 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Pacific Dermatology InstituteVictorville, CA · 32 clinicians
Industry payments (Open Payments)
- 2025$1,722 · 63 payments from 12 companies
- 2024$2,528 · 103 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $557.67 | 10 |
| Amgen Inc. | $253.00 | 14 |
| Abbvie Inc. | $250.76 | 12 |
| Novartis Pharmaceuticals Corporation | $133.90 | 5 |
| Organon LLC | $122.97 | 6 |
What the 2025 payments were for
- Food and Beverage$1,722 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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