Dr. Wai E. Chiu, MD
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 89
- Part D claims, 2023
- 11
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chiu'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. Wai E. Chiu is an anesthesiologist in Saint Louis, Missouri
Dr. Chiu practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Chiu's NPI, 1215976956, was assigned on June 6, 2006. Dr. Chiu graduated from University of Missouri, Columbia School of Medicine in 1991. Dr. Chiu holds Missouri license 101504.
- NPI
- 1215976956NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507039492
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wai E. Chiu practices at 2 locations in Saint Louis, Missouri
Dr. Chiu's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Chiu also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Wai E. Chiu is affiliated with 1 site of care and 2 medical groups
Dr. Chiu's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Chiu to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wai E. Chiu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wai E. Chiu is one of 819 anesthesiologists in Missouri
Anesthesiology is Dr. Chiu's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chiu is licensed in Missouri.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
Anesthesiologists near Dr. Chiu
Counts of anesthesiologists 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
Dr. Wai E. Chiu billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Chiu across 1 procedure code in 2024, for 89 Medicare patients. Medicare paid $921 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chiu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 522024: 1473%
Dr. Chiu compared with the Missouri median for anesthesiologists, 2024
- Dr. Chiu
- Missouri median
- Medicare services
- 14vs 7581% below
- Medicare patients
- 89vs 14036% below
- Part D claims
- 11vs 2250% below
Medians across 839 anesthesiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Chiu'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. Chiu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiu and other anesthesiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wai E. Chiu treated 89 Medicare patients in 2024, average age 71
CMS counts 89 Medicare patients who saw Dr. Chiu in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chiu's median patient age at 68, with 71% women.
Dr. Chiu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chiu's Medicare patients by sex, 2024
- Women4753%
- Men4247%
Chronic conditions among Dr. Chiu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis53%
- Cancer45%
- Diabetes40%
- Ischemic heart disease34%
- Chronic kidney disease31%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women71%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wai E. Chiu wrote 11 Medicare Part D claims in 2023
In 2023, Dr. Chiu wrote 11 Medicare Part D claims. They cover 1 drug, with $368 in total drug cost. In 2022, CMS named 81 claims across 2 drugs.
Dr. Chiu's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 812023: 1186%
Drugs named by CMS: 1 in 2023, 2 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Wai E. Chiu scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chiu for performance year 2024, reported as part of a group. Dr. Chiu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chiu's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Wai E. Chiu received $140 in industry payments from 2021 to 2025
CMS Open Payments shows 2 general payments to Dr. Chiu from 2 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $122.
General payments to Dr. Chiu by program year, 2021 to 2025
Companies that paid Dr. Chiu the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wai E. Chiu graduated from University of Missouri, Columbia School of Medicine
Dr. Chiu graduated from University of Missouri, Columbia School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Wai E. Chiu'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Wai E. Chiu
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. Wai E. Chiu's NPI number?
Dr. Wai E. Chiu's NPI number is 1215976956. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Wai E. Chiu?
Dr. Wai E. Chiu is an anesthesiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wai E. Chiu practice?
Dr. Chiu practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Chiu also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Chiu's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Chiu to 1 medical group.
What is Dr. Wai E. Chiu's office phone number?
The practice phone on file for Dr. Chiu is (314) 747-3000.
What is Dr. Wai E. Chiu's medical license number?
Dr. Chiu holds Missouri license 101504.
Which hospitals is Dr. Wai E. Chiu affiliated with?
Dr. Chiu practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
What medical group is Dr. Wai E. Chiu part of?
Dr. Chiu is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Chiu to 1 more medical group.
Does Dr. Wai E. Chiu accept Medicare?
Yes. CMS data shows Dr. Chiu billed Medicare for 14 services in 2024, and Dr. Chiu accepts Medicare assignment.
What is Dr. Wai E. Chiu's MIPS score?
Dr. Chiu's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Wai E. Chiu see?
CMS counts 89 Medicare patients who saw Dr. Chiu in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. Wai E. Chiu bill to Medicare?
In 2024, Dr. Chiu's most billed Medicare services were anesthesia (00910).
Where did Dr. Wai E. Chiu go to medical school?
Dr. Chiu graduated from University of Missouri, Columbia School of Medicine in 1991.
What drugs does Dr. Wai E. Chiu prescribe most?
In 2023 Medicare Part D data, Dr. Chiu's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Wai E. Chiu received payments from drug or device companies?
CMS Open Payments shows $140 in general payments to Dr. Chiu from 2 companies from 2021 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Wai E. Chiu been practicing?
Dr. Chiu graduated from medical school in 1991, 35 years ago.
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