Gregory K. Buller, M.D.
NPI 1154321768ActiveIndividual· Internal Medicine, Nephrology· Middlebury, CT
Internal Medicine, Nephrology (M.D.) with Northeast Medical Group Inc, practicing in Middlebury, Connecticut. Part D covered 36 prescriptions written in 2024, 86% of them generic. Novartis Pharmaceuticals Corporation reported $85.92 in payments in 2024, mostly food and beverage. Lists Bridgeport Hospital as a hospital affiliation.
Overview
| NPI | 1154321768 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Sep 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 027195 | CT |
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 - Nephrology (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 94 30-day fills |
|---|---|
| Total drug cost | $5,963 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Northeast Medical Group IncBridgeport, CT · 1,360 clinicians
Hospital affiliation
- Bridgeport HospitalBridgeport, CT
Industry payments (Open Payments)
- 2024$85.92 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $85.92 | 1 |
What the 2024 payments were for
- Food and Beverage$85.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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