Ashley Ann Esser, OD
NPI 1407426091ActiveIndividual· Optometrist· Parker, CO
Optometrist (OD) in Parker, Colorado, trained at Illinois College of Optometry at Chicago (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $51,402 for 548 claims, against $24,472 paid for services in 2024. Glaukos Corporation was the largest of 5 companies reporting payments in 2025, $984.56 in all, mostly food and beverage.
Overview
| NPI | 1407426091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2021 |
| Last updated in NPPES | Jun 28, 2021 |
| Certified by provider | Jun 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT.0003714 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 344 across 16 procedure codes |
| Paid by Medicare | $24,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 548 · 956 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $51,402 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Optometry |
Medical group
- Mile High Corneal Specialists PCSheridan, CO · 9 clinicians
Industry payments (Open Payments)
- 2025$984.56 · 22 payments from 5 companies
- 2024$646.64 · 23 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $440.17 | 4 |
| Abbvie Inc. | $217.71 | 11 |
| Alcon Vision LLC | $150.05 | 4 |
| Bausch & Lomb Americas Inc. | $139.47 | 2 |
| Tarsus Pharmaceuticals, Inc. | $37.16 | 1 |
What the 2025 payments were for
- Food and Beverage$984.56 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 optometrists in Parker · All optometrists in Colorado