Maryellen Cleary Antkowiak, M.D.
NPI 1588836043ActiveIndividual· Internal Medicine· Burlington, VT
Internal Medicine (M.D.) in Burlington, Vermont, trained at University of Vermont College of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,968,452 for 592 claims, against $37,098 paid for services in 2024.
Overview
| NPI | 1588836043 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 25, 2008 |
| Last updated in NPPES | Jun 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 042-0012284 | VT |
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 - Internal Medicine (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 371 across 32 procedure codes |
| Paid by Medicare | $37,098 |
Part D prescriptions in 2024
| Prescriptions (claims) | 592 · 900 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $1,968,452 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- University of Vermont Medical Center IncBurlington, VT · 1,208 clinicians
Hospital affiliations
- Central Vermont Medical CenterBarre, VT
- Copley HospitalMorrisville, VT
- Porter Hospital IncMiddlebury, VT
- The University of Vermont Health Network - ChamplPlattsburgh, NY
- Univ. of Vermont - Fletcher Allen Health CareBurlington, VT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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