Tessa Anne Chamberlain, NP
NPI 1932483542ActiveIndividual· Nurse Practitioner, Family· New York, NY
Nurse Practitioner, Family (NP) with Weill Medical College of Cornell, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $4,557,732 for 1,189 claims, against $1,116 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $422.26 in all, mostly food and beverage. Lists New York-Presbyterian Hospital as a hospital affiliation.
Overview
| NPI | 1932483542 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Sep 30, 2011 |
| Last updated in NPPES | Sep 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F336590-1 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 17 across 2 procedure codes |
| Paid by Medicare | $1,116 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,189 · 1,334 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $4,557,732 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Weill Medical College of CornellNew York, NY · 2,051 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$422.26 · 15 payments from 9 companies
- 2024$508.54 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $99.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $68.90 | 3 |
| Sumitomo Pharma America, Inc. | $54.64 | 2 |
| Pharmaand Gmbh | $45.24 | 2 |
| Tolmar, Inc. | $45.24 | 2 |
What the 2025 payments were for
- Food and Beverage$323.26 · 14 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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