Daniel Marsac, O.D.
Optometrists (Optometrist)
- Medicare participating
At a glance
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 212
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2014Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Optometrist primary
MI license 4901004870 -
Corneal and Contact Management Optometrist
MI license 4901004870 -
Low Vision Rehabilitation Optometrist
MI license 4901004870 -
Sports Vision Optometrist
MI license 4901004870
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Medical groups
- Rochester Family Eye Clinic LLC (6 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 212
- Services billed
- 258
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Established patient complete exam of visual system | 138 | 138 |
| New patient complete exam of visual system | 36 | 36 |
| Imaging of optic nerve | 21 | 21 |
| Exam of visual field with extended testing | 20 | 14 |
| Established patient office or other outpatient visit, 10-19 minutes | 18 | 14 |
| Imaging of retina | 12 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Latanoprost Other prescribers in Dayton, OH | 29 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 3 companies reported 5 payments worth $98.83 in total to this clinician.
| Coopervision Inc. | $65.77 |
|---|---|
| Alcon Vision LLC | $18.73 |
| Johnson & Johnson Vision Care, Inc. | $14.33 |
| Food and Beverage | $98.83 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.