Quick answers
- Does Dawn M. Sirekis accept Medicare assignment?
- Yes. Medicare's clinician data says Dawn M. Sirekis 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 Dawn M. Sirekis see?
- In 2024, CMS data shows 109 Original Medicare patients and 171 services for Dawn M. Sirekis. This counts Original Medicare only and measures volume, not quality.
- What is Dawn M. Sirekis's NPI number?
- 1447533138. 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 Dawn M. Sirekis, 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 | 109 |
|---|---|
| Services billed to Medicare | 171 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Imaging for evaluation of swallowing function (74230)32 services
- Double contrast x-ray of esophagus (74221)24 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%
- Arthritis61%
- COPD34%
- Diabetes32%
- Anxiety32%
Hospitals where Dawn M. Sirekis works
Medicare's Facility Affiliation Data lists Dawn M. Sirekis 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.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230230
Practice locations
Addresses where Dawn M. Sirekis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1215 E Michigan AveLansing, MI 48912
Group practices
Medicare enrollment lists Dawn M. Sirekis as a member of this group (CMS data updated October 2, 2026).
- Edward W Sparrow Hospital Association730 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Other clinicians in Edward W Sparrow Hospital Association
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447533138 |
| 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