Dr. Wei Chao, MD, PhD
- Medicare services, 2020
- 25
- Medicare patients, 2024
- 37
- Hospital affiliations
- 1
- Industry payments
- $39
- Medical group
- 1
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chao'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. Wei Chao is an anesthesiologist in Baltimore, Maryland
Dr. Chao practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Chao's NPI, 1922098730, was assigned on October 24, 2005. Dr. Chao holds Massachusetts license 158035.
- NPI
- 1922098730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890701916
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wei Chao practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Chao's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Wei Chao is affiliated with 1 site of care and 1 medical group
Dr. Chao's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is University of MD Anesthesiology Associates PA.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wei Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Wei Chao is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chao is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Chao
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. Wei Chao billed Medicare for 25 services in 2020
CMS data shows 25 Medicare services from Dr. Chao across 1 procedure code in 2020, for 37 Medicare patients. Medicare paid $1,895 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chao's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Anesthesia
- 2019: 402020: 2538%
Dr. Chao compared with the Maryland median for anesthesiologists, 2020
- Dr. Chao
- Maryland median
- Medicare services
- 25vs 10175% below
- Medicare patients
- 37vs 17679% below
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Chao's most billed Medicare procedure codes, 2020
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. Chao?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chao and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wei Chao treated 37 Medicare patients in 2024, average age 71
CMS counts 37 Medicare patients who saw Dr. Chao in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.01, 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. Chao's median patient age at 53, with 45% women.
Dr. Chao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chao's Medicare patients by sex, 2024
- Women1746%
- Men2054%
Chronic conditions among Dr. Chao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease49%
- Cancer41%
- Mood disorders38%
- Depression35%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women45%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Wei Chao takes part in Medicare
Dr. Chao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Wei Chao received $39 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Chao from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $39.
Companies that paid Dr. Chao the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Wei Chao'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 | Dmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Wei Chao
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. Wei Chao's NPI number?
Dr. Wei Chao's NPI number is 1922098730. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Wei Chao?
Dr. Wei Chao is an anesthesiologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wei Chao practice?
Dr. Chao practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Chao's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Wei Chao's office phone number?
The practice phone on file for Dr. Chao is (410) 328-8667.
What is Dr. Wei Chao's medical license number?
Dr. Chao holds Massachusetts license 158035.
Which hospitals is Dr. Wei Chao affiliated with?
Dr. Chao practices at University of Maryland Medical Center in Baltimore, Maryland.
What medical group is Dr. Wei Chao part of?
Dr. Chao is linked to University of MD Anesthesiology Associates PA.
Does Dr. Wei Chao accept Medicare?
Yes. CMS data shows Dr. Chao billed Medicare for 25 services in 2020, and Dr. Chao accepts Medicare assignment.
How many Medicare patients does Dr. Wei Chao see?
CMS counts 37 Medicare patients who saw Dr. Chao in 2024, with an average age of 71.
What services does Dr. Wei Chao bill to Medicare?
In 2020, Dr. Chao's most billed Medicare services were anesthesia (00731).
Has Dr. Wei Chao received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Chao from 1 company from 2016 to 2016. The largest total came from Pfizer Inc.
How long has Dr. Wei Chao been practicing?
Dr. Chao graduated from medical school in 1983, 43 years ago.
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