Howard B. Blumstein, M.D.
NPI 1598751471ActiveIndividual· Internal Medicine, Rheumatology· Smithtown, NY
Internal Medicine, Rheumatology (M.D.) in Smithtown, New York, trained at State University of New York at Buffalo School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $3,326,621 for 2,240 claims, against $1,647,682 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 6 companies reporting payments in 2025, $19,066 in all, mostly consulting fees.
Overview
| NPI | 1598751471 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 26, 2005 |
| Last updated in NPPES | May 19, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 227807 | NY |
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 - Rheumatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 825 |
|---|---|
| Services billed | 147,658 across 55 procedure codes |
| Paid by Medicare | $1,647,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,240 · 4,344 30-day fills |
|---|---|
| Patients | 449 |
| Total drug cost | $3,326,621 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Rheumatology Associates of Li LLPSmithtown, NY · 10 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
Industry payments (Open Payments)
- 2025$19,066 · 30 payments from 6 companies
- 2024$2,752 · 37 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $18,458 | 3 |
| Amgen Inc. | $254.79 | 13 |
| Abbvie Inc. | $221.90 | 9 |
| Fresenius Kabi USA, LLC | $58.67 | 2 |
| Pfizer Inc. | $50.42 | 2 |
What the 2025 payments were for
- Consulting Fee$18,400 · 1 payment
- Food and Beverage$666.49 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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