Emerson Yang Chang, PA-C
NPI 1710127741ActiveIndividual· Physician Assistant, Medical· Laurel, MD
Physician Assistant, Medical (PA-C) with Padder Health Services LLC, practicing in Laurel, Maryland. Part D covered 4,677 prescriptions written in 2024, 85% of them generic. Glaxosmithkline, LLC. was the largest of 16 companies reporting payments in 2025, $662.20 in all, mostly food and beverage.
Overview
| NPI | 1710127741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 3, 2009 |
| Last updated in NPPES | Apr 4, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | C0003934 | MD |
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 (DC); Practitioner - Physician Assistant (MD) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 4,677 · 9,819 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $517,210 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Padder Health Services LLCLaurel, MD · 20 clinicians
Other facilities
- Adventist Home Health Services, Inc.Home health agency · Silver Spring, MD
Industry payments (Open Payments)
- 2025$662.20 · 30 payments from 16 companies
- 2024$16.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $87.10 | 4 |
| Novo Nordisk Inc | $84.86 | 4 |
| Pfizer Inc. | $68.99 | 3 |
| Astrazeneca Pharmaceuticals LP | $66.24 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $54.59 | 2 |
What the 2025 payments were for
- Food and Beverage$662.20 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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