Javier Esteban Mery, PA-C
NPI 1518604586ActiveIndividual· Physician Assistant· Sterling, VA
Physician Assistant (PA-C) in Sterling, Virginia, trained at George Washington University School of Medicine (class of 2022). Their prescriptions cost Medicare Part D more than their services did: $225,539 for 635 claims, against $19,747 paid for services in 2024. Abbvie Inc. was the largest of 26 companies reporting payments in 2025, $3,753 in all, mostly food and beverage.
Overview
| NPI | 1518604586 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 19, 2022 |
| Last updated in NPPES | Jun 9, 2022 |
| Certified by provider | Jun 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 226 across 11 procedure codes |
| Paid by Medicare | $19,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 635 · 1,506 30-day fills |
|---|---|
| Patients | 265 |
| Total drug cost | $225,539 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Associates of Northern Virginia, LLCAlexandria, VA · 100 clinicians
Hospital affiliations
- Inova Fair Oaks HospitalFairfax, VA
- Inova Mount Vernon HospitalAlexandria, VA
Industry payments (Open Payments)
- 2025$3,753 · 158 payments from 26 companies
- 2024$2,509 · 103 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $719.03 | 38 |
| Janssen Biotech, Inc. | $596.88 | 21 |
| Gilead Sciences, Inc. | $360.65 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $241.27 | 11 |
| Ardelyx, Inc. | $228.88 | 12 |
What the 2025 payments were for
- Food and Beverage$3,737 · 157 payments
- Education$15.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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