Maryann Buckley Phinney, MD
NPI 1558414979ActiveIndividual· Internal Medicine· Princeton, NJ
Internal Medicine (MD) in Princeton, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $423,352 for 3,686 claims, against $23,768 paid for services in 2024. Exact Sciences Corporation reported $30.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558414979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 19, 2007 |
| Last updated in NPPES | Jul 16, 2026 |
| Certified by provider | Jul 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD450286 | PA |
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 (NJ); Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 310 across 41 procedure codes |
| Paid by Medicare | $23,768 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,686 · 4,012 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $423,352 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Princeton Medical Group,p.A.Plainsboro, NJ · 35 clinicians
Hospital affiliation
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Other facilities
- Penn Medicine Home Health Princeton HealthHome health agency · Princeton, NJ
- Kessler Rehab CenterInpatient rehabilitation facility · West Orange, NJ
Industry payments (Open Payments)
- 2025$30.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $30.13 | 1 |
What the 2025 payments were for
- Food and Beverage$30.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 93 internal medicine physicians in Princeton · All internal medicine physicians in New Jersey