Michael Charles Lock, OD
NPI 1649350331ActiveIndividual· Optometrist· West Des Moines, IA
Optometrist (OD) in West Des Moines, Iowa, trained at Illinois College of Optometry at Chicago (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $71,227 for 299 claims, against $35,688 paid for services in 2024. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $375.82 in all, mostly food and beverage.
Overview
| NPI | 1649350331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Aug 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 02379 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 322 |
|---|---|
| Services billed | 779 across 15 procedure codes |
| Paid by Medicare | $35,688 |
Part D prescriptions in 2024
| Prescriptions (claims) | 299 · 404 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $71,227 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical groups
- Lock Family Eye Care LLCWest Des Moines, IA · 2 clinicians
- Lumen Eyecare LLCUrbandale, IA · 2 clinicians
Industry payments (Open Payments)
- 2025$375.82 · 9 payments from 4 companies
- 2024$1,203 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $242.95 | 2 |
| Johnson & Johnson Vision Care, Inc. | $88.21 | 5 |
| Tarsus Pharmaceuticals, Inc. | $26.67 | 1 |
| Biotissue Holdings Inc. | $17.99 | 1 |
What the 2025 payments were for
- Food and Beverage$375.82 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 optometrists in West Des Moines · All optometrists in Iowa