Quick answers
- Does Colleen Niedzwiecki accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen Niedzwiecki 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 Colleen Niedzwiecki see?
- In 2024, CMS data shows 278 Original Medicare patients and 315 services for Colleen Niedzwiecki. This counts Original Medicare only and measures volume, not quality.
- What is Colleen Niedzwiecki's NPI number?
- 1518050756. 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 Colleen Niedzwiecki, 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 | 278 |
|---|---|
| Services billed to Medicare | 315 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for bone marrow aspiration and/or biopsy at pelvic bone (01112)101 services
- Anesthesia for access to central vein (00532)46 services
- Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance (01942)27 services
- Anesthesia for closed needle biopsy of lung (00522)24 services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)19 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%
- Arthritis55%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)49%
- Ischemic heart disease47%
- Chronic kidney disease46%
Practice locations
Addresses where Colleen Niedzwiecki is enrolled with Medicare (CMS data updated October 2, 2026).
- 2730 N McMullen Booth Rd, Suite 203Clearwater, FL 33761 (727) 791‑7300
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Clearwater
Clinicians with the same Medicare primary specialty in Clearwater, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518050756 |
| 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