Sandra K. Holloway, MD
NPI 1902898729ActiveIndividual· Internal Medicine, Gastroenterology· Bend, OR
Internal Medicine, Gastroenterology (MD) with St Charles Health System Inc, practicing in Bend, Oregon. In 2024 Medicare paid $44,429 for 222 patients, and Part D covered 308 of their prescriptions, 75% of them generic. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $636.27 in all, mostly food and beverage. Lists St Charles Medical Center - Bend as a hospital affiliation.
Overview
| NPI | 1902898729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2005 |
| Last updated in NPPES | Aug 1, 2024 |
| Certified by provider | Aug 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD26430 | OR |
| Internal Medicine | 207R00000X | MD26430 | OR |
| Internal Medicine, Gastroenterology | 207RG0100X | 0101043770 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OR); Practitioner - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 387 across 27 procedure codes |
| Paid by Medicare | $44,429 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 391 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $16,219 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- St Charles Health System IncBend, OR · 377 clinicians
Hospital affiliation
- St Charles Medical Center - BendBend, OR
Industry payments (Open Payments)
- 2025$636.27 · 12 payments from 9 companies
- 2024$705.61 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $197.64 | 2 |
| Abbvie Inc. | $113.90 | 1 |
| Aimmune Therapeutics, Inc. | $101.94 | 2 |
| Lilly USA, LLC | $76.92 | 1 |
| Inspire Medical Systems, Inc. | $52.28 | 1 |
What the 2025 payments were for
- Food and Beverage$543.03 · 10 payments
- Education$93.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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