Apostolos John Giannas, O.D.
NPI 1790906378ActiveIndividual· Optometrist· Baltimore, MD
Optometrist (O.D.) in Baltimore, Maryland, licensed in MD, with an NPI issued in May 2007. Mostly services rather than prescriptions: Medicare paid $20,642 for 260 patients in 2024, with only 26 Part D claims. New World Medical,inc. was the largest of 3 companies reporting payments in 2025, $240.99 in all, mostly food and beverage.
Overview
| NPI | 1790906378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | May 1, 2007 |
| Last updated in NPPES | Jun 20, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | TA0814 | MD |
| Optometrist, Corneal and Contact Management | 152WC0802X | TA0814 | 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 | 260 |
|---|---|
| Services billed | 293 across 10 procedure codes |
| Paid by Medicare | $20,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 29 30-day fills |
|---|---|
| Total drug cost | $13,956 |
| Generic share | 0% of claims |
Industry payments (Open Payments)
- 2025$240.99 · 5 payments from 3 companies
- 2024$224.76 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| New World Medical,inc. | $123.61 | 1 |
| Tarsus Pharmaceuticals, Inc. | $96.35 | 3 |
| Bausch & Lomb Americas Inc. | $21.03 | 1 |
What the 2025 payments were for
- Food and Beverage$240.99 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other optometrists in Baltimore
- 1003902016
- 1013689975
- 1013948298
- 1013996453
- 1114019296
- 1134136559
- 1134656366
- 1205024395
- 1205106648
- 1205193638
- 1215421482
- 1275763500
All 209 optometrists in Baltimore · All optometrists in Maryland