Nathaniel Dean Shilman, O.D.
NPI 1275532467ActiveIndividual· Optometrist· Dickinson, ND
Optometrist (O.D.) in Dickinson, North Dakota, trained at Pacific University - College of Optometry (class of 2004). In 2024 Medicare paid $32,150 for 452 patients, and Part D covered 366 of their prescriptions, 66% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $174.57 in all, mostly food and beverage.
Overview
| NPI | 1275532467 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Oct 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 624 | ND |
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 (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 452 |
|---|---|
| Services billed | 703 across 21 procedure codes |
| Paid by Medicare | $32,150 |
Part D prescriptions in 2024
| Prescriptions (claims) | 366 · 573 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $30,234 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | Pacific University - College of Optometry |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical group
- Melanie Oltmanns Od PCDickinson, ND · 2 clinicians
Industry payments (Open Payments)
- 2025$174.57 · 6 payments from 3 companies
- 2024$14.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $135.64 | 4 |
| Bausch & Lomb Americas Inc. | $20.92 | 1 |
| Johnson & Johnson Vision Care, Inc. | $18.01 | 1 |
What the 2025 payments were for
- Food and Beverage$174.57 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 optometrists in Dickinson · All optometrists in North Dakota