Quick answers
- Does Daniel J. Kwiecien accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel J. Kwiecien 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 Daniel J. Kwiecien see?
- In 2024, CMS data shows 1,104 Original Medicare patients and 3,426 services for Daniel J. Kwiecien. This counts Original Medicare only and measures volume, not quality.
- What is Daniel J. Kwiecien's NPI number?
- 1881052462. 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 Daniel J. Kwiecien, 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 | 1,104 |
|---|---|
| Services billed to Medicare | 3,426 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)992 services
- Destruction of precancer skin growth, 2-14 growths (17003)961 services
- Destruction of precancer skin growth, 1 growth (17000)436 services
- Destruction of skin growth, 1-14 growths (17110)352 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)161 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 cholesterol75%
- High blood pressure70%
- Arthritis40%
- Ischemic heart disease24%
- Diabetes22%
- Anxiety22%
Practice locations
Addresses where Daniel J. Kwiecien is enrolled with Medicare (CMS data updated October 2, 2026).
- 207 Southbridge StAuburn, MA 01501
Group practices
Medicare enrollment lists Daniel J. Kwiecien as a member of this group (CMS data updated October 2, 2026).
- Daniel E Viders MD PC4 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Daniel E Viders MD PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881052462 |
| 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
- 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