Arthur S. Klein, M.D.
NPI 1720193204ActiveIndividual· Internal Medicine, Infectious Disease· East Setauket, NY
Internal Medicine, Infectious Disease (M.D.) in East Setauket, New York, trained at State University of New York Downstate Medical Center (class of 1983). 825 Medicare patients in 2024, $186,096 paid; nearly all of their 168 Part D prescriptions were generic (94%).
Overview
| NPI | 1720193204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2006 |
| Last updated in NPPES | Mar 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 162611 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 825 |
|---|---|
| Services billed | 1,891 across 12 procedure codes |
| Paid by Medicare | $186,096 |
Part D prescriptions in 2024
| Prescriptions (claims) | 168 · 185 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $41,741 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- St Charles HospitalInpatient rehabilitation facility · Port Jefferson, NY
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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