David G. Gross, D.O.
NPI 1346373313ActiveIndividual· Ophthalmology· Merrillville, IN
Ophthalmology (D.O.) with David G Gross DO PC, practicing in Merrillville, Indiana. In 2024 Medicare paid $520,167 for 1,658 patients, and Part D covered 3,375 of their prescriptions, 58% of them generic. Alcon Vision LLC was the largest of 15 companies reporting payments in 2025, $945.60 in all, mostly food and beverage. Lists St Mary Medical Center Inc as a hospital affiliation.
Overview
| NPI | 1346373313 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 13, 2007 |
| Last updated in NPPES | Mar 4, 2021 |
| Certified by provider | Mar 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 02001570A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,658 |
|---|---|
| Services billed | 6,360 across 53 procedure codes |
| Paid by Medicare | $520,167 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,375 · 7,351 30-day fills |
|---|---|
| Patients | 895 |
| Total drug cost | $769,467 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- David G Gross DO PCMerrillville, IN · 3 clinicians
Hospital affiliation
- St Mary Medical Center IncHobart, IN
Industry payments (Open Payments)
- 2025$945.60 · 37 payments from 15 companies
- 2024$1,809 · 51 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $250.65 | 8 |
| Tarsus Pharmaceuticals, Inc. | $140.62 | 5 |
| Dompe US, Inc. | $109.54 | 4 |
| Bausch & Lomb Americas Inc. | $91.67 | 4 |
| Abbvie Inc. | $62.34 | 3 |
What the 2025 payments were for
- Food and Beverage$917.82 · 36 payments
- Honoraria$27.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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