Johanna E. Letts, O.D.
NPI 1558319707ActiveIndividual· Optometrist· Annapolis, MD
Optometrist (O.D.) in Annapolis, Maryland, trained at Pennsylvania College of Optometry (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $53,151 for 67 claims, against $26,136 paid for services in 2024. Tarsus Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $242.45 in all, mostly food and beverage.
Overview
| NPI | 1558319707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | Jul 28, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | TA1492 | 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 - Optometry (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 415 across 10 procedure codes |
| Paid by Medicare | $26,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 92 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $53,151 |
| Generic share | 30% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- M .F. Diffendall Od PAPhoenix, MD · 2 clinicians
Industry payments (Open Payments)
- 2025$242.45 · 9 payments from 4 companies
- 2024$110.83 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $178.68 | 6 |
| Coopervision Inc. | $25.35 | 1 |
| Alcon Vision LLC | $23.93 | 1 |
| Johnson & Johnson Vision Care, Inc. | $14.49 | 1 |
What the 2025 payments were for
- Food and Beverage$242.45 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 optometrists in Annapolis · All optometrists in Maryland