Maryellen Antkowiak, M.D.
NPI 1588836043 · Internal Medicine Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryellen Antkowiak, M.D. is a Internal Medicine Physician provider in Burlington, VT (NPI 1588836043).
Provider details
- NPI number
- 1588836043
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 042-0012284 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
311 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 137 | $199 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 28 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $92 |
| Critical Care, Each Additional 30 Minutes99292 | 21 | $100 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ambrisentan | 65 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 38 | — |
| Tadalafil | 37 | — |
| Furosemide | 34 | — |
| Riociguatbrand: Adempas | 32 | — |
| Prednisone | 31 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-25
- Last updated
- 2015-06-15
Frequently asked questions
- What is Maryellen Antkowiak's NPI number?
- Maryellen Antkowiak's National Provider Identifier (NPI) is 1588836043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryellen Antkowiak's specialty?
- Maryellen Antkowiak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maryellen Antkowiak located?
- Maryellen Antkowiak's practice location on file with NPPES is 111 Colchester Ave., Burlington, VT 05401.
- What is Maryellen Antkowiak's phone number?
- The practice phone number listed in the NPPES registry for Maryellen Antkowiak is (802) 847-1158.
- Does Maryellen Antkowiak accept Medicare?
- Maryellen Antkowiak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryellen Antkowiak's NPI active?
- Yes — Maryellen Antkowiak's NPI (1588836043) is active in the NPPES registry as of the last update on 2015-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.