Katherine Marie Pfeiffer, CNS, NP
NPI 1356676423ActiveIndividual· Nurse Practitioner, Psych/Mental Health· New Haven, CT
Nurse Practitioner, Psych/Mental Health (CNS, NP) with Integral Health LLC, practicing in New Haven, Connecticut. Enrolled in Medicare as practitioner - nurse practitioner. Abbvie Inc. reported $30.46 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1356676423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNS, NP |
| Sole proprietor | No |
| NPI issued | Oct 7, 2009 |
| Last updated in NPPES | Aug 11, 2026 |
| Certified by provider | Aug 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 13222 | CT |
| Clinical Nurse Specialist, Psych/Mental Health, Adult | 364SP0809X | 13222 | 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 - Nurse Practitioner (CT) |
|---|
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Integral Health LLCNew Haven, CT · 6 clinicians
Industry payments (Open Payments)
- 2025$30.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $30.46 | 1 |
What the 2025 payments were for
- Food and Beverage$30.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 100 psychiatric nurse practitioners in New Haven · All psychiatric nurse practitioners in Connecticut