Margaret Chustecki, M.D.
NPI 1215956321ActiveIndividual· Internal Medicine· Hamden, CT
Internal Medicine (M.D.) with Margaret Chustecka Internal Medicine of Greater New Haven, practicing in Hamden, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $277,119 for 2,338 claims, against $85,695 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $1,058 in all, mostly travel and lodging. Lists Bridgeport Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1215956321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Dec 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 038574 | 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 - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 501 |
|---|---|
| Services billed | 1,370 across 34 procedure codes |
| Paid by Medicare | $85,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,338 · 5,274 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $277,119 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Margaret Chustecka Internal Medicine of Greater New HavenHamden, CT · 30 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$1,058 · 9 payments from 3 companies
- 2024$43.89 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $1,002 | 7 |
| Inspire Medical Systems, Inc. | $34.78 | 1 |
| Glaxosmithkline, LLC. | $20.56 | 1 |
What the 2025 payments were for
- Travel and Lodging$842.54 · 3 payments
- Food and Beverage$215.22 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 internal medicine physicians in Hamden · All internal medicine physicians in Connecticut