J Vasc Surg Cases Innov Tech
Dr. Andy C. Chiou, MD
NPI1063454197PAC ID0941288211
- Medicare services, 2024
- 1,360
- Medicare patients, 2024
- 761
- Part D claims, 2024
- 312
- Publications
- 3
- Hospital affiliations
- 4
- Practice address
- 7725 N Knoxville Ave, Peoria, IL 61614
- Practice phone
- Call (309) 495-0240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Illinois Surgical Specialists, Ltd
Peoria, Illinois
Find Dr. Chiou's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Andy C. Chiou is a vascular surgeon in Peoria, Illinois
Dr. Chiou practices at Illinois Surgical Specialists, Ltd in Peoria, Illinois.
Dr. Chiou's NPI, 1063454197, was assigned on June 12, 2006. Dr. Chiou graduated from Boston University School of Medicine in 1992. Dr. Chiou holds Illinois license 036098202.
NPI and contact details
- NPI
- 1063454197NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941288211
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 495-0240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andy C. Chiou practices at Illinois Surgical Specialists, Ltd in Peoria, Illinois
Dr. Chiou's primary practice is Illinois Surgical Specialists, Ltd, at 7725 N Knoxville Ave, Peoria, IL 61614 in Peoria County. The practice phone is (309) 495-0240.
- Illinois Surgical Specialists, Ltd7725 N Knoxville Ave, Peoria, IL 61614 · Peoria CountyPhone(309) 495-0240
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andy C. Chiou is affiliated with 9 sites of care and 5 medical groups
Dr. Chiou's primary practice is Illinois Surgical Specialists, Ltd in Peoria, Illinois. Dr. Chiou is also affiliated with OSF Saint Francis Medical Center. The medical group on file is Carle Health Methodist Hospital. Dmand AI also links Dr. Chiou to 3 more hospitals, 4 group practices and clinics and 4 medical groups, each named with a free account.
Illinois Surgical Specialists, LtdPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andy C. Chiou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiou practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Illinois Surgical Specialists, Ltd | Available with a free account |
| +8 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Andy C. Chiou is one of 164 vascular surgeons in Illinois
Vascular surgery is Dr. Chiou's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Chiou is licensed in Illinois.
Specialties and state licenses
- Vascular surgery, IllinoisPrimary
Vascular surgeons near Dr. Chiou
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
164vascular surgeons in Illinois
8vascular surgeons in Peoria
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Andy C. Chiou billed Medicare for 1,360 services in 2024
CMS data shows 1,360 Medicare services from Dr. Chiou across 14 procedure codes in 2024, for 761 Medicare patients. Medicare paid $146,150 for them.
Medicare services, 20241,360
Medicare patients761
Paid by Medicare$146,150
Procedure codes14
Dr. Chiou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5562024: 71929%
- Tests and treatments
- 2023: 1422024: 489244%
- Surgery
- 2023: 1062024: 12720%
- Imaging
- 2023: 02024: 25
Where Dr. Chiou's Medicare services took place, 2024
- In an office84662%
- In a facility51438%
Dr. Chiou compared with the Illinois median for vascular surgeons, 2024
- Dr. Chiou
- Illinois median
- Medicare services
- 1,360vs 5982.3 times
- Medicare patients
- 761vs 41285% above
- Part D claims
- 273vs 584.7 times
Medians across 155 vascular surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Chiou'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.
Need commercial claims for Dr. Chiou?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiou and other vascular surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andy C. Chiou treated 761 Medicare patients in 2024, average age 75
CMS counts 761 Medicare patients who saw Dr. Chiou in 2024. The largest group is 65 to 74, with 338 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chiou's median patient age at 72, with 55% women.
Medicare patients, 2024761
Average age75
Average risk score1.29
Also on Medicaid11%
Dr. Chiou's Medicare patients by age, 2024
Dr. Chiou's Medicare patients by sex, 2024
- Women40954%
- Men35246%
Chronic conditions among Dr. Chiou's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease29%
- Diabetes29%
- Ischemic heart disease29%
- COPD23%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiou'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
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andy C. Chiou wrote 312 Medicare Part D claims in 2024
In 2024, Dr. Chiou wrote 312 Medicare Part D claims for 94 patients. 42% of them were for generic drugs. CMS names the drug for 273 of them, across 6 drugs with 11 or more claims each, at $135,946 in total drug cost. In 2023, CMS named 109 claims across 4 drugs.
Part D claims, 2024312
Drugs named by CMS6
Total drug cost$135,946
Part D patients94
Dr. Chiou's Part D claims by kind of drug, 2024
- Generic131 claims42%
- Brand-name181 claims58%
Dr. Chiou'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1092024: 273150%
Drugs named by CMS: 6 in 2024, 4 in 2023.
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
Dr. Andy C. Chiou ranks in the 82nd percentile for varicose vein removal in Medicare
Dr. Chiou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 92 procedures of varicose vein removal by Dr. Chiou, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chiou ranks in Medicare procedure volume
- Varicose vein removal
- 82nd percentile92 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Andy C. Chiou has 3 publications on record
Dmand AI links 3 papers to Dr. Chiou, published from 2022 to 2023. Dr. Chiou's most frequent co-authors are Brian T. Higdon, Jon S. Matsumura, MD and Jeniann Aehui Yi, MD.
Papers3
Years published2022 to 2023
Dr. Chiou's most frequent co-authors
Recent publications by Dr. Chiou
Amputation, SurgicalAnti-Bacterial AgentsFibrinolytic Agents
See who Dr. Chiou researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chiou works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andy C. Chiou received $5,519 in industry payments from 2016 to 2025
CMS Open Payments shows 117 general payments to Dr. Chiou from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. W. L. Gore & Associates, Inc. paid the most, $3,328.
General payments to Dr. Chiou by program year, 2016 to 2025
General payments to Dr. Chiou by kind, 2016 to 2025
$5.5Kin total
- Food and beverage$4,51382%
- Education$1,00618%
Companies that paid Dr. Chiou the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andy C. Chiou graduated from Boston University School of Medicine
Dr. Chiou graduated from Boston University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andy C. Chiou's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Andy C. Chiou
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Andy C. Chiou's NPI number?
Dr. Andy C. Chiou's NPI number is 1063454197. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Andy C. Chiou?
Dr. Andy C. Chiou is a vascular surgeon in Peoria, Illinois. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Andy C. Chiou practice?
Dr. Chiou practices at 7725 N Knoxville Ave, Peoria, IL 61614. Dr. Chiou's primary practice is Illinois Surgical Specialists, Ltd in Peoria, Illinois. Dmand AI also links Dr. Chiou to 3 hospitals, 4 group practices and clinics and 4 medical groups.
What is Dr. Andy C. Chiou's office phone number?
The practice phone on file for Dr. Chiou is (309) 495-0240.
What is Dr. Andy C. Chiou's medical license number?
Dr. Chiou holds Illinois license 036098202.
Which hospitals is Dr. Andy C. Chiou affiliated with?
Dr. Chiou is affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Chiou to 3 more hospitals.
What medical group is Dr. Andy C. Chiou part of?
Dr. Chiou is linked to Carle Health Methodist Hospital. Dmand AI links Dr. Chiou to 4 more medical groups.
Does Dr. Andy C. Chiou accept Medicare?
Yes. CMS data shows Dr. Chiou billed Medicare for 1,360 services in 2024, and Dr. Chiou accepts Medicare assignment.
How many Medicare patients does Dr. Andy C. Chiou see?
CMS counts 761 Medicare patients who saw Dr. Chiou in 2024, with an average age of 75.
What services does Dr. Andy C. Chiou bill to Medicare?
In 2024, Dr. Chiou's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and blood vessel study (93970).
Show 6 more questionsShow fewer questions
Where did Dr. Andy C. Chiou go to medical school?
Dr. Chiou graduated from Boston University School of Medicine in 1992.
What drugs does Dr. Andy C. Chiou prescribe most?
In 2024 Medicare Part D data, Dr. Chiou's most prescribed drugs by claims were Xarelto, Eliquis and Clopidogrel.
Has Dr. Andy C. Chiou received payments from drug or device companies?
CMS Open Payments shows $5,519 in general payments to Dr. Chiou from 16 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Andy C. Chiou been practicing?
Dr. Chiou graduated from medical school in 1992, 34 years ago.
Does Dr. Andy C. Chiou do research?
Dmand AI links 3 publications to Dr. Chiou, published from 2022 to 2023.
Who does Dr. Andy C. Chiou publish with?
Dr. Chiou's most frequent co-authors are Brian T. Higdon (1 shared paper), Jon S. Matsumura, MD (1 shared paper) and Jeniann Aehui Yi, MD (1 shared paper).
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