Gregory Jon Simpson, O.D.
NPI 1912922378ActiveIndividual· Optometrist· Bullhead City, AZ
Optometrist (O.D.) in Bullhead City, Arizona, trained at Illinois College of Optometry at Chicago (class of 2005). In 2024 Medicare paid $61,815 for 483 patients, and Part D covered 1,318 of their prescriptions, 58% of them generic. Coloplast Corp reported $19.56 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912922378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jun 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 1542 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 483 |
|---|---|
| Services billed | 1,040 across 17 procedure codes |
| Paid by Medicare | $61,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,318 · 2,093 30-day fills |
|---|---|
| Patients | 397 |
| Total drug cost | $56,991 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Optometry |
Medical group
- Western Medical Eye Center LLCBullhead City, AZ · 3 clinicians
Industry payments (Open Payments)
- 2025$19.56 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coloplast Corp | $19.56 | 1 |
What the 2025 payments were for
- Food and Beverage$19.56 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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