Quick answers
- Does Maciej Osypiuk accept Medicare assignment?
- Medicare's clinician data says Maciej Osypiuk may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Maciej Osypiuk see?
- In 2024, CMS data shows 88 Original Medicare patients and 94 services for Maciej Osypiuk. This counts Original Medicare only and measures volume, not quality.
- What is Maciej Osypiuk's NPI number?
- 1073671418. 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 Maciej Osypiuk, 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 | 88 |
|---|---|
| Services billed to Medicare | 94 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)26 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)11 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%
- Chronic kidney disease35%
- Atrial fibrillation35%
- Diabetes34%
Hospitals where Maciej Osypiuk works
Medicare's Facility Affiliation Data lists Maciej Osypiuk 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.
- Parkland Medical CenterDerry, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300017
Practice locations
Addresses where Maciej Osypiuk is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Parkland DrDerry, NH 03038 (603) 432‑1500
Group practices
Medicare enrollment lists Maciej Osypiuk as a member of this group (CMS data updated October 2, 2026).
- Anesthesia Associates of New England PC15 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Derry
Clinicians with the same Medicare primary specialty in Derry, NH — not a recommendation.
Other clinicians in Anesthesia Associates of New England PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1073671418 |
| 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