Quick answers
- Does Vei Shaun Siow accept Medicare assignment?
- Yes. Medicare's clinician data says Vei Shaun Siow 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 Vei Shaun Siow see?
- In 2024, CMS data shows 340 Original Medicare patients and 852 services for Vei Shaun Siow. This counts Original Medicare only and measures volume, not quality.
- What is Vei Shaun Siow's NPI number?
- 1003159419. 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 Vei Shaun Siow, 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 | 340 |
|---|---|
| Services billed to Medicare | 852 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)93 services
- Ultrasound of both sides of head and neck blood flow (93880)62 services
- Ultrasound study of arm and leg arteries (93922)59 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)47 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)44 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%
- Ischemic heart disease51%
- Diabetes42%
- Chronic kidney disease41%
Hospitals where Vei Shaun Siow works
Medicare's Facility Affiliation Data lists Vei Shaun Siow 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.
- Ahn Wexford HospitalWexford, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390334
- Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390050
- Forbes HospitalMonroeville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390267
- Saint Vincent HospitalErie, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390009
- West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090
Practice locations
Addresses where Vei Shaun Siow is enrolled with Medicare (CMS data updated October 2, 2026).
- 155 E State St, Albion Family PracticeAlbion, PA 16401 (814) 756‑4917
- 2315 Myrtle St, Suite L10Erie, PA 16502 (814) 454‑2401
- 232 W 25th StErie, PA 16544
- 4815 Liberty Ave, Suite 156 158Pittsburgh, PA 15224 (412) 578‑3505
Group practices
Medicare enrollment lists Vei Shaun Siow as a member of these groups (CMS data updated October 2, 2026).
- Allegheny Clinic2,389 clinicians in the group
- St Vincent Medical Education and Research Institute Inc298 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Allegheny Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003159419 |
| 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