Geoffrey Lal Chupp, MD
NPI 1811970577ActiveIndividual· Internal Medicine, Pulmonary Disease· New Haven, CT
Internal Medicine, Pulmonary Disease (MD) in New Haven, Connecticut, trained at George Washington University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,603,012 for 1,387 claims, against $21,931 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $73,010 in all, mostly consulting fees.
Overview
| NPI | 1811970577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 26, 2005 |
| Last updated in NPPES | Jun 25, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036156 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 036156 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 377 across 21 procedure codes |
| Paid by Medicare | $21,931 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,387 · 1,978 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $1,603,012 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Westerly HospitalWesterly, RI
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$73,010 · 56 payments from 8 companies
- 2024$110,299 · 59 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $27,347 | 14 |
| Astrazeneca Pharmaceuticals LP | $23,361 | 30 |
| Astrazeneca Uk Limited | $12,755 | 4 |
| Astrazeneca Ab | $3,222 | 2 |
| Amgen Inc. | $3,100 | 1 |
What the 2025 payments were for
- Consulting Fee$53,039 · 21 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$16,000 · 6 payments
- Travel and Lodging$2,550 · 5 payments
- Food and Beverage$1,422 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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