Nicholas S. Chamberlain, OD
NPI 1356492946ActiveIndividual· Optometrist· Kalispell, MT
Optometrist (OD) in Kalispell, Montana, trained at University of Houston - College of Optometry (class of 2002). In 2024 Medicare paid $35,120 for 397 patients, and Part D covered 185 of their prescriptions, 57% of them generic. Glaukos Corporation was the largest of 3 companies reporting payments in 2025, $180.53 in all, mostly food and beverage.
Overview
| NPI | 1356492946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jan 12, 2007 |
| Last updated in NPPES | Jul 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | M727 | MT |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 397 |
|---|---|
| Services billed | 721 across 16 procedure codes |
| Paid by Medicare | $35,120 |
Part D prescriptions in 2024
| Prescriptions (claims) | 185 · 364 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $7,752 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Optometry |
Medical group
- Vision Clinic PLLCKalispell, MT · 5 clinicians
Industry payments (Open Payments)
- 2025$180.53 · 4 payments from 3 companies
- 2024$83.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $115.15 | 1 |
| Alcon Vision LLC | $42.19 | 2 |
| Bausch & Lomb Americas Inc. | $23.19 | 1 |
What the 2025 payments were for
- Food and Beverage$180.53 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Optometrist providers in Kalispell
- 1700947843
- 1861069031
- 1922205244
- 1922206861
- 1952884355
- 1528240454
- 1447200142
- 1891829529
- 1063844918
- 1225098130
- 1205680550
- 1740867506