William Mark Sigmon, OD
NPI 1205821550ActiveIndividual· Optometrist· Hickory, NC
Optometrist (OD) in Hickory, North Carolina, trained at Pennsylvania College of Optometry (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $39,857 for 170 claims, against $5,502 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 3 companies reporting payments in 2025, $169.55 in all, mostly food and beverage.
Overview
| NPI | 1205821550 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2005 |
| Last updated in NPPES | Feb 19, 2020 |
| Certified by provider | Feb 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 1232 | 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 - Optometry (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 99 across 11 procedure codes |
| Paid by Medicare | $5,502 |
Part D prescriptions in 2024
| Prescriptions (claims) | 170 · 273 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $39,857 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Optometry |
Medical group
- Clark Optometric Center PAHigh Point, NC · 44 clinicians
Industry payments (Open Payments)
- 2025$169.55 · 8 payments from 3 companies
- 2024$65.15 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $70.55 | 3 |
| Alcon Vision LLC | $49.97 | 2 |
| Johnson & Johnson Vision Care, Inc. | $49.03 | 3 |
What the 2025 payments were for
- Food and Beverage$169.55 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 optometrists in Hickory · All optometrists in North Carolina