Quick answers
- Does Jessica L. Tomasiewicz accept Medicare assignment?
- Yes. Medicare's clinician data says Jessica L. Tomasiewicz 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 Jessica L. Tomasiewicz see?
- In 2024, CMS data shows 296 Original Medicare patients and 6,517 services for Jessica L. Tomasiewicz. This counts Original Medicare only and measures volume, not quality.
- What is Jessica L. Tomasiewicz's NPI number?
- 1841516614. 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 Jessica L. Tomasiewicz, 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 | 296 |
|---|---|
| Services billed to Medicare | 6,517 |
| Different services or procedures | 84 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)2,220 services
- Insertion of needle into vein for collection of blood sample (36415)413 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)390 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)308 services
- Thyroxine (thyroid chemical), free (84439)285 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 pressure74%
- Arthritis44%
- Diabetes22%
- Ischemic heart disease22%
- Anxiety21%
Hospitals where Jessica L. Tomasiewicz works
Medicare's Facility Affiliation Data lists Jessica L. Tomasiewicz 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.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
- Saint Joseph Hospital-ElginElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140217
Practice locations
Addresses where Jessica L. Tomasiewicz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1325 N Meacham RdSchaumburg, IL 60173 (630) 469‑9200
- 2100 Glenwood AveJoliet, IL 60435 (815) 725‑2121
- 25 N Winfield RdWinfield, IL 60190
- 30 Stratford DrBloomingdale, IL 60108 (630) 893‑2210
- 40 S Clay StHinsdale, IL 60521 (630) 432‑6848
Group practices
Medicare enrollment lists Jessica L. Tomasiewicz as a member of this group (CMS data updated October 2, 2026).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Schaumburg
Clinicians with the same Medicare primary specialty in Schaumburg, IL — not a recommendation.
Other clinicians in Dupage Medical Group Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841516614 |
| 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