Davis L. Sim, MD PHD
NPI 1265668263ActiveIndividual· Internal Medicine, Gastroenterology· Springfield, OR
Internal Medicine, Gastroenterology (MD PHD) in Springfield, Oregon, trained at University of Virginia School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,644,398 for 1,249 claims, against $57,865 paid for services in 2024. Braintree Laboratories, Inc. reported $13.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1265668263 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD PHD |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2009 |
| Last updated in NPPES | May 18, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD172163 | OR |
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 - Gastroenterology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 855 across 37 procedure codes |
| Paid by Medicare | $57,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,249 · 1,959 30-day fills |
|---|---|
| Patients | 613 |
| Total drug cost | $1,644,398 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Eugene Gastroenterology Consultants PCSpringfield, OR · 16 clinicians
Hospital affiliations
- Bay Area HospitalCoos Bay, OR
- Mercy Medical CenterRoseburg, OR
- Peace Harbor Medical CenterFlorence, OR
- Sacred Heart Medical Center - RiverbendSpringfield, OR
Industry payments (Open Payments)
- 2025$13.99 · 1 payment from 1 company
- 2024$268.19 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Braintree Laboratories, Inc. | $13.99 | 1 |
What the 2025 payments were for
- Food and Beverage$13.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 gastroenterologists in Springfield · All gastroenterologists in Oregon