David S. Klein, MD
NPI 1427021021ActiveIndividual· Radiology, Diagnostic Radiology· Norwalk, CT
Radiology, Diagnostic Radiology (MD) in Norwalk, Connecticut, trained at New York University School of Medicine (class of 1995). Medicare paid $84,875 for services to 1,627 patients in 2024. Terumo Medical Corporation reported $26.49 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1427021021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Feb 16, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 039370 | CT |
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 - Diagnostic Radiology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,627 |
|---|---|
| Services billed | 2,529 across 144 procedure codes |
| Paid by Medicare | $84,875 |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
- Stamford Health-Norwalk Radiology LLCNorwalk, CT · 16 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$26.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Terumo Medical Corporation | $26.49 | 1 |
What the 2025 payments were for
- Food and Beverage$26.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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