Maryann Zacharias
NPI 1376262709ActiveIndividual· Physician Assistant· Mc Lean, VA
Physician Assistant with Orthovirginia Inc, practicing in Mc Lean, Virginia. Their prescriptions cost Medicare Part D more than their services did: $127,695 for 2,098 claims, against $78,608 paid for services in 2024. Collegium Pharmaceutical, Inc. reported $160.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1376262709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 29, 2022 |
| Last updated in NPPES | Aug 29, 2022 |
| Certified by provider | Aug 25, 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 502 |
|---|---|
| Services billed | 1,281 across 25 procedure codes |
| Paid by Medicare | $78,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,098 · 2,336 30-day fills |
|---|---|
| Patients | 442 |
| Total drug cost | $127,695 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Orthovirginia IncArlington, VA · 567 clinicians
Industry payments (Open Payments)
- 2025$160.64 · 15 payments from 1 company
- 2024$168.36 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $160.64 | 15 |
What the 2025 payments were for
- Food and Beverage$160.64 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 physician assistants in Mc Lean · All physician assistants in Virginia