Quick answers
- Does Denise Siwinski accept Medicare assignment?
- Yes. Medicare's clinician data says Denise Siwinski 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 Denise Siwinski see?
- In 2024, CMS data shows 85 Original Medicare patients and 122 services for Denise Siwinski. This counts Original Medicare only and measures volume, not quality.
- What is Denise Siwinski's NPI number?
- 1588624860. 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 Denise Siwinski, 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 | 85 |
|---|---|
| Services billed to Medicare | 122 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)73 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)21 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%
- Arthritis52%
- Anxiety25%
- Diabetes24%
- Atrial fibrillation22%
Hospitals where Denise Siwinski works
Medicare's Facility Affiliation Data lists Denise Siwinski 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.
- Inspira Medical Center Mullica HillElmer, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310069
Practice locations
Addresses where Denise Siwinski is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Rowan BlvdGlassboro, NJ 08028 (856) 582‑1500
- 315 Route 70 E, Vitua Express Urgent Care Cherry HillCherry Hill, NJ 08034 (856) 375‑6240
- 401 Young Ave, Suite 180Moorestown, NJ 08057 (856) 291‑8600
Group practices
Medicare enrollment lists Denise Siwinski as a member of these groups (CMS data updated October 2, 2026).
- Virtua Medical Group, PA1,688 clinicians in the group
- Inspira Health Network Urgent Care PC45 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Glassboro
Clinicians with the same Medicare primary specialty in Glassboro, NJ — not a recommendation.
Other clinicians in Virtua Medical Group, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588624860 |
| 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