Crystal J. Klaahsen, O.D.
NPI 1528076288ActiveIndividual· Optometrist· Cambridge, MA
Optometrist (O.D.) in Cambridge, Massachusetts, trained at New England College of Optometry (class of 2006). In 2024 Medicare paid $28,446 for 296 patients, and Part D covered 51 of their prescriptions, 47% of them generic. Bausch & Lomb Americas Inc. was the largest of 4 companies reporting payments in 2025, $296.93 in all, mostly food and beverage.
Overview
| NPI | 1528076288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Nov 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 4567 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 539 across 11 procedure codes |
| Paid by Medicare | $28,446 |
Part D prescriptions in 2024
| Prescriptions (claims) | 51 · 90 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $23,682 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | New England College of Optometry |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Optometry |
Medical group
- Porter Square Eye Associates IncCambridge, MA · 2 clinicians
Industry payments (Open Payments)
- 2025$296.93 · 11 payments from 4 companies
- 2024$205.01 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $195.26 | 6 |
| Johnson & Johnson Vision Care, Inc. | $60.85 | 3 |
| Alcon Vision LLC | $22.29 | 1 |
| Coopervision Inc. | $18.53 | 1 |
What the 2025 payments were for
- Food and Beverage$296.93 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 optometrists in Cambridge · All optometrists in Massachusetts