Matthew Giegengack, MD
NPI 1437167350ActiveIndividual· Ophthalmology· Winston Salem, NC
Ophthalmology (MD) in Winston Salem, North Carolina, trained at Columbia University College of Physicians and Surgeons (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $206,682 for 1,520 claims, against $126,555 paid for services in 2024. Harrow Eye, LLC reported $52.71 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1437167350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Aug 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 2007-01271 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 474 |
|---|---|
| Services billed | 967 across 36 procedure codes |
| Paid by Medicare | $126,555 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,520 · 2,596 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $206,682 |
| Generic share | 38% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Ophthalmology |
Medical group
- Wake Forest University Health SciencesHigh Point, NC · 2,645 clinicians
Hospital affiliation
- North Carolina Baptist HospitalWinston-Salem, NC
Industry payments (Open Payments)
- 2025$52.71 · 1 payment from 1 company
- 2024$196.09 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $52.71 | 1 |
What the 2025 payments were for
- Food and Beverage$52.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 ophthalmologists in Winston Salem · All ophthalmologists in North Carolina