Robert Clabaugh Davidson, M.D.
NPI 1003809641ActiveIndividual· Ophthalmology· Chandler, AZ
Ophthalmology (M.D.) in Chandler, Arizona, trained at Duke University School of Medicine (class of 1989). In 2024 Medicare paid $239,189 for 943 patients, and Part D covered 1,537 of their prescriptions, 51% of them generic. Glaukos Corporation was the largest of 7 companies reporting payments in 2025, $819.72 in all, mostly food and beverage.
Overview
| NPI | 1003809641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Nov 25, 2020 |
| Certified by provider | Nov 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 22567 | AZ |
| Ophthalmology, Cornea and External Diseases Specialist | 207WX0120X | 22567 | AZ |
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 - Ophthalmology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 943 |
|---|---|
| Services billed | 2,627 across 36 procedure codes |
| Paid by Medicare | $239,189 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,537 · 2,516 30-day fills |
|---|---|
| Patients | 342 |
| Total drug cost | $222,237 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$819.72 · 11 payments from 7 companies
- 2024$780.56 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $269.85 | 2 |
| Abbvie Inc. | $246.67 | 3 |
| Bausch & Lomb Americas Inc. | $146.96 | 2 |
| Alcon Vision LLC | $92.53 | 1 |
| Tarsus Pharmaceuticals, Inc. | $30.23 | 1 |
What the 2025 payments were for
- Food and Beverage$819.72 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Chandler
- 1649614124
- 1275755159
- 1003897794
- 1063695831
- 1508838996
- 1134261373
- 1790784155
- 1467451625