Quick answers
- Does Tara D. Marczak accept Medicare assignment?
- Yes. Medicare's clinician data says Tara D. Marczak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tara D. Marczak see?
- In 2024, CMS data shows 196 Original Medicare patients and 3,490 services for Tara D. Marczak. This counts Original Medicare only and measures volume, not quality.
- What is Tara D. Marczak's NPI number?
- 1558756866. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tara D. Marczak, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 196 |
|---|---|
| Services billed to Medicare | 3,490 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)2,300 services
- Automated urinalysis test (81003)215 services
- Bacterial colony count, urine (87086)149 services
- Ultrasound measurement of bladder capacity after voiding (51798)100 services
- Bacterial culture for aerobic isolates (87077)98 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol73%
- High blood pressure61%
- Arthritis49%
- Osteoporosis28%
- Depression27%
- Anxiety27%
Hospitals where Tara D. Marczak works
Medicare's Facility Affiliation Data lists Tara D. Marczak at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Tara D. Marczak is enrolled with Medicare (CMS data updated October 2, 2026).
- 20 Wall StBurlington, MA 01803 (781) 221‑2500
Group practices
Medicare enrollment lists Tara D. Marczak as a member of this group (CMS data updated October 2, 2026).
- Atrius Health Inc1,222 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Burlington
Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.
Other clinicians in Atrius Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558756866 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians