Robert Michael Klein, M.D.
NPI 1235196452ActiveIndividual· Allergy & Immunology, Allergy· New York, NY
Allergy & Immunology, Allergy (M.D.) in New York, New York, trained at New York Medical College (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $71,442 for 221 claims, against $18,193 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $2,025 in all, mostly food and beverage.
Overview
| NPI | 1235196452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Jul 30, 2021 |
| Certified by provider | Jul 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | 131109 | NY |
| Allergy & Immunology, Allergy | 207KA0200X | MA33401 | NJ |
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 - Allergy/Immunology (NJ); Practitioner - Pediatric Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 1,089 across 18 procedure codes |
| Paid by Medicare | $18,193 |
Part D prescriptions in 2024
| Prescriptions (claims) | 221 · 243 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $71,442 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Jeffrey Weiss, M.D., P.A.Riverdale, NJ · 18 clinicians
Industry payments (Open Payments)
- 2025$2,025 · 63 payments from 19 companies
- 2024$1,115 · 33 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $430.32 | 8 |
| Genzyme Corporation | $331.54 | 12 |
| Glaxosmithkline, LLC. | $305.32 | 11 |
| Ars Pharmaceuticals Operations, Inc. | $201.31 | 7 |
| Adma Biomanufacturing LLC | $136.14 | 2 |
What the 2025 payments were for
- Food and Beverage$1,909 · 61 payments
- Education$99.99 · 1 payment
- Consulting Fee$15.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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