Vei Shaun Siow

  • Pittsburgh, PA
  • Vascular surgeon
NPI1003159419PAC ID5092160275
Medicare services, 2024
641
Medicare patients, 2024
340
Part D claims, 2024
386
Publications
4
MIPS score, 2024
94
Practice address
320 East North Avenue, Pittsburgh, PA 15212
Practice phone
Call (412) 359-3131
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Allegheny General Hospital

Hospital · Pittsburgh, Pennsylvania

See all 9 affiliations

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Vei Shaun Siow is a vascular surgeon in Pittsburgh, Pennsylvania

Vei Shaun Siow practices at Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health.

Vei Shaun Siow's NPI, 1003159419, was assigned on April 3, 2013. Vei Shaun Siow graduated from Jefferson Medical College of Thomas Jefferson University in 2013. Vei Shaun Siow holds Pennsylvania license MD481920.

NPI and contact details
Medicare PAC ID
5092160275
NPI enumeration date
April 3, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(412) 359-3131
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Vei Shaun Siow practices at Allegheny General Hospital in Pittsburgh, Pennsylvania

Vei Shaun Siow's primary practice is Allegheny General Hospital, at 320 East North Avenue, Pittsburgh, PA 15212 in Allegheny County. The practice phone is (412) 359-3131.

Source: Dmand AI Affiliation Data

Vei Shaun Siow is affiliated with 7 sites of care and 2 medical groups

Vei Shaun Siow's primary practice is Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health. Vei Shaun Siow is also affiliated with West Penn Hospital. The medical group on file is AHN Primary Care - Family Med Associates at H+W Pavilion Bethel Park. Dmand AI also links Vei Shaun Siow to 3 more hospitals, 1 breast imaging center, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 9 affiliations for Vei Shaun Siow

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Vei Shaun Siow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Vei Shaun Siow practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Allegheny General HospitalAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Vei Shaun Siow is one of 220 vascular surgeons in Pennsylvania

Vascular surgery is Vei Shaun Siow's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Vei Shaun Siow is licensed in Pennsylvania.

Specialties and state licenses

  • Vascular surgery, PennsylvaniaPrimaryLicense MD481920 · taxonomy 2086S0129X

Vascular surgeons near Vei Shaun Siow

Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Vei Shaun Siow billed Medicare for 641 services in 2024

CMS data shows 641 Medicare services from Vei Shaun Siow across 18 procedure codes in 2024, for 340 Medicare patients. Medicare paid $41,025 for them.

Medicare services, 2024641
Medicare patients340
Paid by Medicare$41,025
Procedure codes18

Vei Shaun Siow's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 632024: 349454%
Tests and treatments
2023: 02024: 274
Imaging
2023: 02024: 18

Where Vei Shaun Siow's Medicare services took place, 2024

  • In an office28745%
  • In a facility35455%

Vei Shaun Siow compared with the Pennsylvania median for vascular surgeons, 2024

  • Vei Shaun Siow
  • Pennsylvania median
Medicare services
641vs 622Close to median
Medicare patients
340vs 43221% below
Part D claims
318vs 674.7 times

Medians across 216 vascular surgeons in Pennsylvania with Dmand AI profiles that report each measure.

Vei Shaun Siow's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Vei Shaun Siow

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Vei Shaun Siow treated 340 Medicare patients in 2024, average age 73

CMS counts 340 Medicare patients who saw Vei Shaun Siow in 2024. The largest group is 65 to 74, with 187 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Vei Shaun Siow's median patient age at 72, with 35% women.

Medicare patients, 2024340
Average age73
Average risk score2.11
Also on Medicaid11%

Vei Shaun Siow's Medicare patients by age, 2024

Vei Shaun Siow's Medicare patients by sex, 2024

  • Women14944%
  • Men19156%

Chronic conditions among Vei Shaun Siow's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Ischemic heart disease51%
  5. Diabetes42%
  6. Chronic kidney disease41%
  7. Heart failure33%
  8. Atrial fibrillation32%

Share of Medicare patients with each condition. A patient can have several.

Vei Shaun Siow's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women35%
  • Men63%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Vei Shaun Siow wrote 386 Medicare Part D claims in 2024

In 2024, Vei Shaun Siow wrote 386 Medicare Part D claims for 106 patients. 87% of them were for generic drugs. CMS names the drug for 318 of them, across 6 drugs with 11 or more claims each, at $44,961 in total drug cost. In 2023, CMS named 33 claims across 2 drugs.

Part D claims, 2024386
Drugs named by CMS6
Total drug cost$44,961
Part D patients106

Vei Shaun Siow's Part D claims by kind of drug, 2024

  • Generic337 claims87%
  • Brand-name49 claims13%

Vei Shaun Siow's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Vei Shaun Siow's Part D claims, 2024

  • Antibiotics3%12 of 386 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 332024: 318864%

Drugs named by CMS: 6 in 2024, 2 in 2023.

See all prescribing by Vei Shaun Siow

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Vei Shaun Siow scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Vei Shaun Siow for performance year 2024, reported through an alternative payment model (APM). Vei Shaun Siow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of leg revascularization (restoring blood flow) by Vei Shaun Siow, more than 79% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Vei Shaun Siow's MIPS scores, performance year 2024

  • 94of 100Final score
  • 85of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Vei Shaun Siow ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
79th percentile19 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Vei Shaun Siow has 4 publications on record

Dmand AI links 4 papers to Vei Shaun Siow, published from 2017 to 2020. 2020 was the busiest year, with 3. Vei Shaun Siow's most frequent co-authors are Kevin Mollen, MD, Jennifer H. Aldrink, MD and Reto M. Baertschiger, MD.

Papers4
Years published2017 to 2020

Vei Shaun Siow's most frequent co-authors

Recent publications by Vei Shaun Siow

See all 4 publications and co-authors

See who Vei Shaun Siow researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Vei Shaun Siow works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Vei Shaun Siow received $2,847 in industry payments from 2022 to 2025

CMS Open Payments shows 29 general payments to Vei Shaun Siow from 13 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $1,057.

General payments to Vei Shaun Siow by program year, 2022 to 2025

Companies that paid Vei Shaun Siow the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Vei Shaun Siow

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Vei Shaun Siow graduated from Jefferson Medical College of Thomas Jefferson University

Vei Shaun Siow graduated from Jefferson Medical College of Thomas Jefferson University in 2013.

  1. Medical schoolJefferson Medical College of Thomas Jefferson University

Source: Dmand AI Professional Profile Data

Sources for Vei Shaun Siow's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Vei Shaun Siow

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Vei Shaun Siow's NPI number?

Vei Shaun Siow's NPI number is 1003159419. It was assigned on April 3, 2013, and it is active in the NPI Registry.

What does Vei Shaun Siow specialize in?

Vei Shaun Siow is a vascular surgeon in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Vei Shaun Siow practice?

Vei Shaun Siow practices at 320 East North Avenue, Pittsburgh, PA 15212. Vei Shaun Siow's primary practice is Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health. Dmand AI also links Vei Shaun Siow to 3 hospitals, 1 breast imaging center, 1 group practice or clinic and 1 medical group.

What is Vei Shaun Siow's office phone number?

The practice phone on file for Vei Shaun Siow is (412) 359-3131.

What is Vei Shaun Siow's medical license number?

Vei Shaun Siow holds Pennsylvania license MD481920.

Which hospitals is Vei Shaun Siow affiliated with?

Vei Shaun Siow practices at Allegheny General Hospital in Pittsburgh, Pennsylvania. Vei Shaun Siow is also affiliated with West Penn Hospital. Dmand AI links Vei Shaun Siow to 3 more hospitals.

What medical group is Vei Shaun Siow part of?

Vei Shaun Siow is linked to AHN Primary Care - Family Med Associates at H+W Pavilion Bethel Park. Dmand AI links Vei Shaun Siow to 1 more medical group.

Does Vei Shaun Siow accept Medicare?

Yes. CMS data shows Vei Shaun Siow billed Medicare for 641 services in 2024, and Vei Shaun Siow accepts Medicare assignment.

What is Vei Shaun Siow's MIPS score?

Vei Shaun Siow's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Vei Shaun Siow see?

CMS counts 340 Medicare patients who saw Vei Shaun Siow in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Vei Shaun Siow bill to Medicare?

In 2024, Vei Shaun Siow's most billed Medicare services were office visit, established patient (99214), blood vessel study (93880) and blood vessel study (93922).

Where did Vei Shaun Siow go to medical school?

Vei Shaun Siow graduated from Jefferson Medical College of Thomas Jefferson University in 2013.

What drugs does Vei Shaun Siow prescribe most?

In 2024 Medicare Part D data, Vei Shaun Siow's most prescribed drugs by claims were Clopidogrel, Atorvastatin Calcium and Cilostazol.

Has Vei Shaun Siow received payments from drug or device companies?

CMS Open Payments shows $2,847 in general payments to Vei Shaun Siow from 13 companies from 2022 to 2025. The largest total came from Medtronic, Inc.

How long has Vei Shaun Siow been practicing?

Vei Shaun Siow graduated from medical school in 2013, 13 years ago.

Does Vei Shaun Siow do research?

Dmand AI links 4 publications to Vei Shaun Siow, published from 2017 to 2020.

Who does Vei Shaun Siow publish with?

Vei Shaun Siow's most frequent co-authors are Kevin Mollen, MD (3 shared papers), Jennifer H. Aldrink, MD (1 shared paper) and Reto M. Baertschiger, MD (1 shared paper).

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