Quick answers
- Does John A. Skiendzielewski accept Medicare assignment?
- Medicare's clinician data says John A. Skiendzielewski may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does John A. Skiendzielewski see?
- In 2024, CMS data shows 222 Original Medicare patients and 1,500 services for John A. Skiendzielewski. This counts Original Medicare only and measures volume, not quality.
- What is John A. Skiendzielewski's NPI number?
- 1942249586. 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 John A. Skiendzielewski, 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 | 222 |
|---|---|
| Services billed to Medicare | 1,500 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)255 services
- Injection of chemical agent into multiple incompetent veins of leg (36471)252 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)232 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)220 services
- Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance (36475)184 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 pressure65%
- Arthritis57%
- Atrial fibrillation22%
- Ischemic heart disease20%
- Anxiety20%
Practice locations
Addresses where John A. Skiendzielewski is enrolled with Medicare (CMS data updated October 2, 2026).
- 620 N Kimball Ave, Suite 100Southlake, TX 76092 (972) 378‑5347
- 777 Main St, Suite 100Frisco, TX 75036 (972) 378‑5347
Group practices
Medicare enrollment lists John A. Skiendzielewski as a member of this group (CMS data updated October 2, 2026).
- North Texas Vascular and Varicose2 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Southlake
Clinicians with the same Medicare primary specialty in Southlake, TX — not a recommendation.
Other clinicians in North Texas Vascular and Varicose
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1942249586 |
| 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