Marc B. Feinstein, MD
NPI 1326019647ActiveIndividual· Internal Medicine, Pulmonary Disease· New York, NY
Internal Medicine, Pulmonary Disease (MD) in New York, New York, trained at University of California, Geffen School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $172,964 for 623 claims, against $56,517 paid for services in 2024.
Overview
| NPI | 1326019647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Apr 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 213914 | 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 - Pulmonary Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 567 |
|---|---|
| Services billed | 1,077 across 23 procedure codes |
| Paid by Medicare | $56,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 623 · 825 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $172,964 |
| Generic share | 42% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Memorial Pulmonary Function GroupNew York, NY · 23 clinicians
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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