Quick answers
- Does Anna A. Niewiarowska accept Medicare assignment?
- Yes. Medicare's clinician data says Anna A. Niewiarowska 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 Anna A. Niewiarowska see?
- In 2024, CMS data shows 101 Original Medicare patients and 40,751 services for Anna A. Niewiarowska. This counts Original Medicare only and measures volume, not quality.
- What is Anna A. Niewiarowska's NPI number?
- 1003927559. 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 Anna A. Niewiarowska, 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 | 101 |
|---|---|
| Services billed to Medicare | 40,751 |
| Different services or procedures | 113 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)550 services
- Blood test, comprehensive group of blood chemicals (80053)520 services
- Lactate dehydrogenase (enzyme) level (83615)488 services
- Magnesium level (83735)485 services
- Insertion of needle into vein for collection of blood sample (36415)458 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 blood pressure75%
- High cholesterol75%
- Arthritis53%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
- Anxiety37%
- Chronic kidney disease33%
Hospitals where Anna A. Niewiarowska works
Medicare's Facility Affiliation Data lists Anna A. Niewiarowska 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.
- St Luke's Hospital - Easton CampusEaston, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390162
- St Luke's Hospital - Monroe CampusStroudsburg, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390330
- St Luke's Hospital - Upper Bucks CampusQuakertown, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390035
- St Luke's Warren HospitalPhillipsburg, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310060
- St Lukes HospitalBethlehem, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390049
Practice locations
Addresses where Anna A. Niewiarowska is enrolled with Medicare (CMS data updated October 2, 2026).
- 306 S New St, Suite 201Bethlehem, PA 18015 (610) 866‑0113
Group practices
Medicare enrollment lists Anna A. Niewiarowska as a member of this group (CMS data updated October 2, 2026).
- Vita Medical Associates, PC4 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Vita Medical Associates, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003927559 |
| 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