Quick answers
- Does Agnieszka Hordejuk accept Medicare assignment?
- Yes. Medicare's clinician data says Agnieszka Hordejuk 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 Agnieszka Hordejuk see?
- In 2024, CMS data shows 293 Original Medicare patients and 298 services for Agnieszka Hordejuk. This counts Original Medicare only and measures volume, not quality.
- What is Agnieszka Hordejuk's NPI number?
- 1912347089. 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 Agnieszka Hordejuk, 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 | 293 |
|---|---|
| Services billed to Medicare | 298 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)257 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 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%
- Ischemic heart disease57%
- Arthritis54%
- Anxiety47%
- Depression46%
Hospitals where Agnieszka Hordejuk works
Medicare's Facility Affiliation Data lists Agnieszka Hordejuk 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.
- Beth Israel Deaconess Hospital PlymouthPlymouth, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220060
Practice locations
Addresses where Agnieszka Hordejuk is enrolled with Medicare (CMS data updated October 2, 2026).
- 330 Brookline AveBoston, MA 02215 (508) 746‑2000
Group practices
Medicare enrollment lists Agnieszka Hordejuk as a member of this group (CMS data updated October 2, 2026).
- Associated Physicians of Harvard Medical Faculty Physicians at Beth Is565 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Associated Physicians of Harvard Medical Faculty Physicians at Beth Is
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912347089 |
| 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