Diane Katherine Fiander, MD
NPI 1295092971ActiveIndividual· Ophthalmology, Retina Specialist· Traverse City, MI
Ophthalmology, Retina Specialist (MD) in Traverse City, Michigan, trained at Chicago College of Medicine and Surgery (class of 2012). In 2024 Medicare paid $1,836,031 for 809 patients, and Part D covered 690 of their prescriptions, 54% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 7 companies reporting payments in 2025, $505.30 in all, mostly food and beverage.
Overview
| NPI | 1295092971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 18, 2012 |
| Last updated in NPPES | Jan 26, 2022 |
| Certified by provider | Jan 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 4301101391 | MI |
| Ophthalmology | 207W00000X | A143150 | CA |
| Ophthalmology, Retina Specialist | 207WX0107X | 143150 | CA |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 809 |
|---|---|
| Services billed | 16,582 across 38 procedure codes |
| Paid by Medicare | $1,836,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 690 · 1,051 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $28,909 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Ophthalmology |
Medical group
- Associated Retinal Consultants PCRoyal Oak, MI · 31 clinicians
Hospital affiliation
- Munson Medical CenterTraverse City, MI
Industry payments (Open Payments)
- 2025$505.30 · 14 payments from 7 companies
- 2024$297.79 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $208.04 | 7 |
| Genentech USA, Inc. | $145.28 | 1 |
| Abbvie Inc. | $42.95 | 2 |
| Ani Pharmaceuticals, Inc. | $34.01 | 1 |
| Apellis Pharmaceuticals, Inc. | $29.62 | 1 |
What the 2025 payments were for
- Food and Beverage$505.30 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology, Retina Specialist providers in Traverse City
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- 1780686485
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All Ophthalmology, Retina Specialist providers in Michigan →