Quick answers
- Does Diane M. Siwek accept Medicare assignment?
- Medicare's clinician data says Diane M. Siwek may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Diane M. Siwek see?
- In 2024, CMS data shows 77 Original Medicare patients and 4,262 services for Diane M. Siwek. This counts Original Medicare only and measures volume, not quality.
- What is Diane M. Siwek's NPI number?
- 1134289333. 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 Diane M. Siwek, 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 | 77 |
|---|---|
| Services billed to Medicare | 4,262 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Therapy procedure using functional activities (97530)2,463 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)1,645 services
- Re-evaluation for physical therapy, typically 20 minutes (97164)90 services
- Evaluation for physical therapy, typically 20 minutes (97161)62 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%
- Arthritis65%
- High blood pressure61%
- Ischemic heart disease31%
- Anxiety31%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)22%
Practice locations
Addresses where Diane M. Siwek is enrolled with Medicare (CMS data updated October 2, 2026).
- 5299 Park Place CirBoca Raton, FL 33486 (561) 573‑5955
Specialties
Find other clinicians: Physical Therapist in Private Practice, Florida →
Other physical therapists in Boca Raton
Clinicians with the same Medicare primary specialty in Boca Raton, FL — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1975 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1134289333 |
| 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