Daniel John Hammer, M.D.
NPI 1346575479ActiveIndividual· Ophthalmology· Cincinnati, OH
Ophthalmology (M.D.) in Cincinnati, Ohio, trained at Ohio State University College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $498,076 for 4,652 claims, against $170,865 paid for services in 2024. Haag-Streit USA, Inc. was the largest of 8 companies reporting payments in 2025, $3,852 in all, mostly consulting fees.
Overview
| NPI | 1346575479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 7, 2009 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 35.123547 | OH |
| Ophthalmology | 207W00000X | 2010012715 | MO |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 550 |
|---|---|
| Services billed | 1,951 across 31 procedure codes |
| Paid by Medicare | $170,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,652 · 9,001 30-day fills |
|---|---|
| Patients | 806 |
| Total drug cost | $498,076 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Ophthalmology |
Medical groups
- University of Cincinnati Physicians Company LLCCincinnati, OH · 1,506 clinicians
- Cei Physicians PSC, LLCBlue Ash, OH · 158 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- University of Cincinnati Medical Center, LLCCincinnati, OH
Industry payments (Open Payments)
- 2025$3,852 · 35 payments from 8 companies
- 2024$2,125 · 47 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Haag-Streit USA, Inc. | $3,000 | 1 |
| Abbvie Inc. | $331.22 | 8 |
| Alcon Vision LLC | $241.34 | 14 |
| Bausch & Lomb Americas Inc. | $84.99 | 4 |
| Thea Pharma Inc. | $84.35 | 4 |
What the 2025 payments were for
- Consulting Fee$3,000 · 1 payment
- Food and Beverage$852.25 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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