Gillian Dale Stierman, OD
NPI 1407631898ActiveIndividual· Optometrist· Glendale, AZ
Optometrist (OD) with Riviera Opticare Inc, practicing in Glendale, Arizona. Their prescriptions cost Medicare Part D more than their services did: $44,078 for 160 claims, against $21,467 paid for services in 2024. Alcon Vision LLC reported $17.17 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1407631898 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 25, 2023 |
| Last updated in NPPES | Aug 25, 2023 |
| Certified by provider | Aug 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT002740 | 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 | 229 |
|---|---|
| Services billed | 330 across 14 procedure codes |
| Paid by Medicare | $21,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 319 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $44,078 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Riviera Opticare IncMesa, AZ · 5 clinicians
Industry payments (Open Payments)
- 2025$17.17 · 1 payment from 1 company
- 2024$432.96 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $17.17 | 1 |
What the 2025 payments were for
- Food and Beverage$17.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other optometrists in Glendale
- 1053751701
- 1073778601
- 1104980846
- 1144685694
- 1215283668
- 1235111055
- 1235652553
- 1255335832
- 1255708251
- 1275054470
- 1326739012
- 1356724009
All 145 optometrists in Glendale · All optometrists in Arizona