Blair Gerratt, OD
NPI 1346809423ActiveIndividual· Optometrist· Billings, MT
Optometrist (OD) in Billings, Montana, trained at University of Missouri St Louis - School of Optometry (class of 2019). In 2024 Medicare paid $15,749 for 117 patients, and Part D covered 237 of their prescriptions, 74% of them generic. Glaukos Corporation was the largest of 4 companies reporting payments in 2025, $669.95 in all, mostly consulting fees.
Overview
| NPI | 1346809423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2019 |
| Last updated in NPPES | Jun 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT-OPT-LIC-3558 | MT |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 267 across 21 procedure codes |
| Paid by Medicare | $15,749 |
Part D prescriptions in 2024
| Prescriptions (claims) | 237 · 340 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $18,527 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Missouri St Louis - School of Optometry |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Optometry |
Medical group
- Tom Felstet Od PLLCBillings, MT · 2 clinicians
Industry payments (Open Payments)
- 2025$669.95 · 5 payments from 4 companies
- 2024$714.62 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $500.00 | 1 |
| Rxsight Inc | $115.88 | 1 |
| Alcon Vision LLC | $35.70 | 2 |
| Bausch & Lomb Americas Inc. | $18.37 | 1 |
What the 2025 payments were for
- Consulting Fee$500.00 · 1 payment
- Food and Beverage$169.95 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other optometrists in Billings
- 1043058944
- 1043757057
- 1073058731
- 1124165618
- 1124427257
- 1174691109
- 1174858732
- 1184363764
- 1205157161
- 1275516742
- 1295350577
- 1306462098
All 63 optometrists in Billings · All optometrists in Montana