Roger Warren Sands, MD
NPI 1659799088ActiveIndividual· Internal Medicine, Hepatology· Stanford, CA
Internal Medicine, Hepatology (MD) in Stanford, California, trained at Northwestern University Feinberg Medical School (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $233,492 for 479 claims, against $53,641 paid for services in 2024.
Overview
| NPI | 1659799088 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2014 |
| Last updated in NPPES | Sep 3, 2026 |
| Certified by provider | Sep 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hepatology Primary | 207RI0008X | A187059 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | A187059 | CA |
| Internal Medicine, Transplant Hepatology | 207RT0003X | A187059 | CA |
| Internal Medicine | 207R00000X | A187059 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 448 across 22 procedure codes |
| Paid by Medicare | $53,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 479 · 570 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $233,492 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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