Cassidy Obermark, O.D.
NPI 1841546074ActiveIndividual· Optometrist· Sikeston, MO
Optometrist (O.D.) in Sikeston, Missouri, trained at University of Missouri St Louis - School of Optometry (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $130,578 for 76 claims, against $30,806 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 4 companies reporting payments in 2025, $346.84 in all, mostly food and beverage.
Overview
| NPI | 1841546074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 25, 2012 |
| Last updated in NPPES | Aug 19, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2013021015 | MO |
| Optometrist | 152W00000X | 2743 | OK |
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 - Optometry (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 292 |
|---|---|
| Services billed | 619 across 14 procedure codes |
| Paid by Medicare | $30,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 133 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $130,578 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | University of Missouri St Louis - School of Optometry |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Optometry |
Medical group
- Dr. Daniel R. Obermark Optometry PCPoplar Bluff, MO · 2 clinicians
Industry payments (Open Payments)
- 2025$346.84 · 16 payments from 4 companies
- 2024$149.43 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $181.11 | 7 |
| Mallinckrodt Hospital Products Inc. | $69.43 | 4 |
| Alcon Vision LLC | $68.73 | 3 |
| Johnson & Johnson Vision Care, Inc. | $27.57 | 2 |
What the 2025 payments were for
- Food and Beverage$346.84 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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