Mary Alison Mercer, OD
NPI 1093725830ActiveIndividual· Optometrist· Portsmouth, VA
Optometrist (OD) in Portsmouth, Virginia, trained at Pennsylvania College of Optometry (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $603,527 for 927 claims, against $177,123 paid for services in 2024. Biotissue Holdings Inc. was the largest of 11 companies reporting payments in 2025, $3,287 in all, mostly food and beverage.
Overview
| NPI | 1093725830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Oct 30, 2026 |
| Certified by provider | Oct 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 0618001325 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 909 |
|---|---|
| Services billed | 2,589 across 23 procedure codes |
| Paid by Medicare | $177,123 |
Part D prescriptions in 2024
| Prescriptions (claims) | 927 · 1,646 30-day fills |
|---|---|
| Patients | 389 |
| Total drug cost | $603,527 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Optometry |
Medical group
- Virginia Eye Consultants IncNorfolk, VA · 60 clinicians
Industry payments (Open Payments)
- 2025$3,287 · 51 payments from 11 companies
- 2024$642.67 · 24 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $2,255 | 13 |
| Tarsus Pharmaceuticals, Inc. | $432.48 | 16 |
| Alcon Vision LLC | $163.24 | 3 |
| Sun Pharmaceutical Industries Inc. | $143.37 | 7 |
| Dompe US, Inc. | $83.33 | 3 |
What the 2025 payments were for
- Food and Beverage$2,134 · 48 payments
- Travel and Lodging$1,153 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 optometrists in Portsmouth · All optometrists in Virginia