Joshua K. Duncan, DO
NPI 1457612830ActiveIndividual· Ophthalmology· Phoenix, AZ
Ophthalmology (DO) in Phoenix, Arizona, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2012). In 2024 Medicare paid $557,268 for 1,078 patients, and Part D covered 926 of their prescriptions, 45% of them generic. Glaukos Corporation was the largest of 7 companies reporting payments in 2025, $12,881 in all, mostly consulting fees.
Overview
| NPI | 1457612830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2012 |
| Last updated in NPPES | Sep 15, 2023 |
| Certified by provider | Sep 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 07085 | AZ |
| Ophthalmology | 207W00000X | Q8049 | TX |
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 - Ophthalmology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,078 |
|---|---|
| Services billed | 3,798 across 49 procedure codes |
| Paid by Medicare | $557,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 926 · 1,416 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $835,273 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Ophthalmology |
Medical group
- Millennium Vision IncPhoenix, AZ · 17 clinicians
Industry payments (Open Payments)
- 2025$12,881 · 33 payments from 7 companies
- 2024$3,286 · 27 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $7,940 | 12 |
| Bausch & Lomb Americas Inc. | $4,195 | 4 |
| Alcon Vision LLC | $360.16 | 9 |
| Tarsus Pharmaceuticals, Inc. | $153.98 | 2 |
| Rxsight Inc | $123.82 | 1 |
What the 2025 payments were for
- Consulting Fee$9,525 · 4 payments
- Food and Beverage$1,974 · 27 payments
- Travel and Lodging$1,382 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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