Kristen A. Obrien, M.D.
NPI 1811922529ActiveIndividual· Family Medicine· Smithtown, NY
Family Medicine (M.D.) in Smithtown, New York, trained at State University of New York at Buffalo School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $300,469 for 4,305 claims, against $149,967 paid for services in 2024. Amgen Inc. reported $125.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1811922529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | May 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 231689 | 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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 2,535 across 41 procedure codes |
| Paid by Medicare | $149,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,305 · 9,928 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $300,469 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Harbor View Medical Services PCPort Jefferson, NY · 58 clinicians
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- North Shore University HospitalManhasset, NY
- Ns/Lij Hs Southside HospitalBay Shore, NY
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Peconic Bay Homehealth ServicesHome health agency · Riverhead, NY
- Tender Loving Care, An Amedisys CompanyHome health agency · Medford, NY
Industry payments (Open Payments)
- 2025$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 family medicine physicians in Smithtown · All family medicine physicians in New York