Matthew Krewer, OD
NPI 1003269721ActiveIndividual· Optometrist· Waterloo, IA
Optometrist (OD) with Cedar Valley Medical Specialists PC, practicing in Waterloo, Iowa. In 2024 Medicare paid $26,513 for 286 patients, and Part D covered 200 of their prescriptions, 73% of them generic. Astellas Pharma US Inc was the largest of 5 companies reporting payments in 2025, $112.02 in all, mostly food and beverage.
Overview
| NPI | 1003269721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2016 |
| Last updated in NPPES | Jan 31, 2023 |
| Certified by provider | Jan 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 097765 | IA |
| Optometrist | 152W00000X | OD60679692 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 286 |
|---|---|
| Services billed | 381 across 20 procedure codes |
| Paid by Medicare | $26,513 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 280 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $14,725 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Cedar Valley Medical Specialists PCCedar Falls, IA · 43 clinicians
Industry payments (Open Payments)
- 2025$112.02 · 5 payments from 5 companies
- 2024$142.56 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $29.85 | 1 |
| Abbvie Inc. | $27.27 | 1 |
| Tarsus Pharmaceuticals, Inc. | $21.63 | 1 |
| Johnson & Johnson Vision Care, Inc. | $18.72 | 1 |
| Lkc Technologies, Inc. | $14.55 | 1 |
What the 2025 payments were for
- Food and Beverage$112.02 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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