Christine Erin O'Connor, NP
NPI 1164765921ActiveIndividual· Nurse Practitioner, Family· Norwalk, CT
Nurse Practitioner, Family (NP) with Nuvance Health Medical Practice CT Inc and 2 other groups, practicing in Norwalk, Connecticut. 85 Medicare patients in 2024, $13,529 paid; nearly all of their 129 Part D prescriptions were generic (92%). Genmab U.S., Inc. was the largest of 24 companies reporting payments in 2025, $2,875 in all, mostly food and beverage. Lists Norwalk Hospital as a hospital affiliation.
Overview
| NPI | 1164765921 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2013 |
| Last updated in NPPES | May 20, 2022 |
| Certified by provider | May 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 10409 | CT |
| Registered Nurse, Critical Care Medicine | 163WC0200X | 631315 | NY |
| Nurse Practitioner, Family | 363LF0000X | 339489 | 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 - Nurse Practitioner (CT); Practitioner - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 192 across 7 procedure codes |
| Paid by Medicare | $13,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 136 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $10,619 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
- Memorial Hematology Lymphoma GroupNew York, NY · 216 clinicians
- Msk NassauUniondale, NY · 98 clinicians
Hospital affiliation
- Norwalk HospitalNorwalk, CT
Industry payments (Open Payments)
- 2025$2,875 · 60 payments from 24 companies
- 2024$1,251 · 58 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genmab U.S., Inc. | $1,686 | 5 |
| Abbvie Inc. | $190.73 | 4 |
| Celgene Corporation | $165.32 | 15 |
| Janssen Biotech, Inc. | $126.87 | 4 |
| Novartis Pharmaceuticals Corporation | $105.23 | 4 |
What the 2025 payments were for
- Food and Beverage$1,315 · 57 payments
- Travel and Lodging$829.52 · 2 payments
- Consulting Fee$731.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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