Sami Arnaout, M.D.
NPI 1023364130ActiveIndividual· Internal Medicine, Infectious Disease· Worcester, MA
Internal Medicine, Infectious Disease (M.D.) with Umass Memorial Medical Group Inc, practicing in Worcester, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $1,847,785 for 841 claims, against $33,219 paid for services in 2024. Lists Heywood Hospital - and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023364130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2012 |
| Last updated in NPPES | May 17, 2024 |
| Certified by provider | May 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 279028 | MA |
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 - Infectious Disease (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 360 across 15 procedure codes |
| Paid by Medicare | $33,219 |
Part D prescriptions in 2024
| Prescriptions (claims) | 841 · 946 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $1,847,785 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Heywood Hospital -Gardner, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
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 56 infectious disease specialists in Worcester · All infectious disease specialists in Massachusetts