Walter Q. Wang, MD
NPI 1578544862ActiveIndividual· Ophthalmology· Arlington, VA
Ophthalmology (MD) with Medstar Medical Group II LLC, practicing in Arlington, Virginia. Their prescriptions cost Medicare Part D more than their services did: $333,263 for 1,821 claims, against $175,322 paid for services in 2024. Abbvie Inc. reported $53.63 in payments in 2025, mostly food and beverage. Lists Medstar Saint Mary's Hospital as a hospital affiliation.
Overview
| NPI | 1578544862 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 14, 2005 |
| Last updated in NPPES | Jun 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 226224 | MA |
| Ophthalmology | 207W00000X | 0101234485 | VA |
| Ophthalmology | 207W00000X | MD037768 | DC |
| Ophthalmology | 207W00000X | D0068111 | 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 - Ophthalmology (DC); Practitioner - Ophthalmology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 689 |
|---|---|
| Services billed | 2,151 across 23 procedure codes |
| Paid by Medicare | $175,322 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,821 · 3,652 30-day fills |
|---|---|
| Patients | 445 |
| Total drug cost | $333,263 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliation
- Medstar Saint Mary's HospitalLeonardtown, MD
Industry payments (Open Payments)
- 2025$53.63 · 2 payments from 1 company
- 2024$40.21 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $53.63 | 2 |
What the 2025 payments were for
- Food and Beverage$53.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 ophthalmologists in Arlington · All ophthalmologists in Virginia