John R. Markham, O D
NPI 1225094550ActiveIndividual· Optometrist· Prescott, AZ
Optometrist (O D) in Prescott, Arizona, trained at Pacific University - College of Optometry (class of 1973). In 2024 Medicare paid $10,921 for 106 patients, and Part D covered 143 of their prescriptions, 50% of them generic. Dompe US, Inc. reported $120.90 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1225094550 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O D |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Apr 20, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 142 | 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 | 106 |
|---|---|
| Services billed | 194 across 13 procedure codes |
| Paid by Medicare | $10,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 325 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $3,069 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Pacific University - College of Optometry |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Optometry |
Medical group
- Southwestern Eye Center LtdCoolidge, AZ · 116 clinicians
Industry payments (Open Payments)
- 2025$120.90 · 1 payment from 1 company
- 2024$18.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dompe US, Inc. | $120.90 | 1 |
What the 2025 payments were for
- Food and Beverage$120.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 optometrists in Prescott · All optometrists in Arizona