Ruth Isabel Hasen Flores, M.D.
NPI 1740530401ActiveIndividual· Internal Medicine· Washington, DC
Internal Medicine (M.D.) with Suburban/Nrh Medical Rehabilitation Inc and 1 other group, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $214,593 for 1,361 claims, against $166.10 paid for services in 2024. Lists Medstar Washington Hospital Center as a hospital affiliation.
Overview
| NPI | 1740530401 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 10, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD043022 | DC |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 28 across 4 procedure codes |
| Paid by Medicare | $166.10 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,361 · 2,949 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $214,593 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
Medical groups
- Suburban/Nrh Medical Rehabilitation IncBethesda, MD · 941 clinicians
- Unity Health Care Inc.Washington, DC · 151 clinicians
Hospital affiliation
- Medstar Washington Hospital CenterWashington, DC
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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All 1,030 internal medicine physicians in Washington · All internal medicine physicians in District of Columbia