Greg Ross Blair
NPI 1205084332ActiveIndividual· Internal Medicine, Cardiovascular Disease· Massapequa, NY
Internal Medicine, Cardiovascular Disease in Massapequa, New York, trained at State University of Ny Upstate Medical University (class of 2003). In 2024 Medicare paid $514,672 for 884 patients, and Part D covered 4,390 of their prescriptions, 88% of them generic. Merck Sharp & Dohme LLC was the largest of 15 companies reporting payments in 2025, $851.12 in all, mostly food and beverage.
Overview
| NPI | 1205084332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 3, 2008 |
| Last updated in NPPES | Aug 26, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 239624 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 884 |
|---|---|
| Services billed | 5,007 across 58 procedure codes |
| Paid by Medicare | $514,672 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,390 · 11,071 30-day fills |
|---|---|
| Patients | 769 |
| Total drug cost | $600,678 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine, Nuclear Medicine |
Medical group
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
Hospital affiliations
- Chsli St Joseph HospitalBethpage, NY
- Good Samaritan Hospital Medical CenterWest Islip, NY
- Mercy Medical CenterRockville Centre, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
Industry payments (Open Payments)
- 2025$851.12 · 40 payments from 15 companies
- 2024$951.31 · 42 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $153.40 | 8 |
| Tactile Systems Technology Inc | $147.74 | 7 |
| United Therapeutics Corporation | $124.65 | 4 |
| Amgen Inc. | $87.48 | 5 |
| Novartis Pharmaceuticals Corporation | $57.87 | 3 |
What the 2025 payments were for
- Food and Beverage$851.12 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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