Quick answers
- Does Daria Wawrzyniak accept Medicare assignment?
- Yes. Medicare's clinician data says Daria Wawrzyniak 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 Daria Wawrzyniak see?
- In 2024, CMS data shows 263 Original Medicare patients and 676 services for Daria Wawrzyniak. This counts Original Medicare only and measures volume, not quality.
- What is Daria Wawrzyniak's NPI number?
- 1356053425. 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 Daria Wawrzyniak, 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 | 263 |
|---|---|
| Services billed to Medicare | 676 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Urinalysis, manual test (81002)156 services
- Ultrasound measurement of bladder capacity after voiding (51798)152 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)141 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)97 services
- Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope (52310)29 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%
- Anxiety44%
- Depression38%
- Chronic kidney disease38%
Practice locations
Addresses where Daria Wawrzyniak is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 747‑3000
- 4901 Forest Park AveSaint Louis, MO 63108
- 4901 Forest Park Ave, Suite 710Saint Louis, MO 63108 (314) 362‑7135
- 5201 Mid America PlzSaint Louis, MO 63129 (314) 286‑0099
- 660 S Euclid AveSt Louis, MO 63110
Group practices
Medicare enrollment lists Daria Wawrzyniak as a member of this group (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356053425 |
| 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