David Larson Demill, M.D.
NPI 1366783631ActiveIndividual· Ophthalmology, Cornea and External Diseases Specialist· Portland, OR
Ophthalmology, Cornea and External Diseases Specialist (M.D.) in Portland, Oregon, trained at University of Utah School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $327,560 for 3,017 claims, against $181,332 paid for services in 2024. Glaukos Corporation was the largest of 3 companies reporting payments in 2025, $323.34 in all, mostly food and beverage.
Overview
| NPI | 1366783631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 11, 2013 |
| Last updated in NPPES | May 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Cornea and External Diseases Specialist Primary | 207WX0120X | 15521 | ND |
| Ophthalmology, Cornea and External Diseases Specialist | 207WX0120X | 10215714-8905 | UT |
| Ophthalmology, Cornea and External Diseases Specialist | 207WX0120X | 01081680A | IN |
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 (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 629 |
|---|---|
| Services billed | 1,561 across 31 procedure codes |
| Paid by Medicare | $181,332 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,017 · 3,996 30-day fills |
|---|---|
| Patients | 698 |
| Total drug cost | $327,560 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Ophthalmology |
Medical group
- Ihc Health Services IncMurray, UT · 3,960 clinicians
Hospital affiliations
- Intermountain Medical CenterMurray, UT
- St Mark's HospitalSalt Lake City, UT
Industry payments (Open Payments)
- 2025$323.34 · 8 payments from 3 companies
- 2024$206.79 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $227.97 | 4 |
| Alcon Vision LLC | $68.06 | 3 |
| Tarsus Pharmaceuticals, Inc. | $27.31 | 1 |
What the 2025 payments were for
- Food and Beverage$323.34 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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