J Surg Oncol
Calvin Chao
- Publications
- 37
- Industry payments
- $39,080
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 251 E Huron St, Chicago, IL 60611-2908
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Calvin 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.
Calvin Chao is a vascular surgeon in Chicago, Illinois
Calvin Chao practices in Chicago, Illinois.
Calvin Chao's NPI, 1124588264, was assigned on March 24, 2019. Calvin Chao holds Illinois license 125.075029.
- NPI
- 1124588264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294069217
- NPI enumeration date
- March 24, 2019
- NPI status
- Active
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Calvin Chao's practice address is in Chicago, Illinois
Calvin Chao's practice address in the NPI Registry is 251 E Huron St, Chicago, IL 60611-2908. The practice phone is (312) 926-2000.
- NPI Registry address251 E Huron St, Chicago, IL 60611-2908Phone(312) 926-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Calvin Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Calvin Chao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Calvin Chao's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Calvin Chao is one of 164 vascular surgeons in Illinois
Vascular surgery is Calvin Chao's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Calvin Chao is licensed in Illinois.
Specialties and state licenses
- Vascular surgery, IllinoisPrimary
Vascular surgeons near Calvin Chao
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
Calvin Chao's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Calvin Chao's median patient age at 74, with 100% women.
Calvin 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 74
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Calvin Chao has 37 publications on record
Dmand AI links 37 papers to Calvin Chao, published from 2010 to 2025. 2025 was the busiest year, with 5. The most frequent topics are Breast Neoplasms, Chemotherapy, Adjuvant and Gene Expression Profiling. Calvin Chao has published most often in Breast Cancer Res Treat. Calvin Chao's most frequent co-authors are Mark K. Eskandari, MD, Nidhi Reddy, MD and Katherine Elizabeth Hekman, MD, PhD.
Calvin Chao's papers by year, 2014 to 2025
Topics Calvin Chao writes about most
- Breast Neoplasms
- Chemotherapy, Adjuvant
- Gene Expression Profiling
- Receptors, Estrogen
- Antineoplastic Agents
- Biomarkers, Tumor
- Lymphatic Metastasis
- Decision Making
Calvin Chao's most frequent co-authors
- Mark K. Eskandari, MD5 shared papers
- Nidhi Reddy, MD4 shared papers
- Katherine Elizabeth Hekman, MD, PhD2 shared papers
Recent publications by Calvin Chao
Tissue Eng Part C Methods
Clin Lung Cancer
Adv Healthc Mater
See who Calvin Chao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Calvin Chao 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
Calvin Chao received $39,080 in industry payments from 2019 to 2025
CMS Open Payments shows 91 general payments to Calvin Chao from 14 drug and device companies from 2019 to 2025. Grants make up the largest share, 79% of the total. Cook Medical LLC paid the most, $25,907.
General payments to Calvin Chao by program year, 2019 to 2025
General payments to Calvin Chao by kind, 2019 to 2025
- Grants$31,01679%
- Food and beverage$4,37511%
- Education$2,8797%
- Travel and lodging$8102%
Companies that paid Calvin Chao the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Calvin 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Calvin 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 Calvin Chao's NPI number?
Calvin Chao's NPI number is 1124588264. It was assigned on March 24, 2019, and it is active in the NPI Registry.
What does Calvin Chao specialize in?
Calvin Chao is a vascular surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Calvin Chao practice?
Calvin Chao practices at 251 E Huron St, Chicago, IL 60611-2908.
What is Calvin Chao's office phone number?
The practice phone on file for Calvin Chao is (312) 926-2000.
What is Calvin Chao's medical license number?
Calvin Chao holds Illinois license 125.075029.
Has Calvin Chao received payments from drug or device companies?
CMS Open Payments shows $39,080 in general payments to Calvin Chao from 14 companies from 2019 to 2025. The largest total came from Cook Medical LLC.
How long has Calvin Chao been practicing?
Calvin Chao's NPI was assigned in 2019.
Does Calvin Chao do research?
Dmand AI links 37 publications to Calvin Chao, published from 2010 to 2025.
Who does Calvin Chao publish with?
Calvin Chao's most frequent co-authors are Mark K. Eskandari, MD (5 shared papers), Nidhi Reddy, MD (4 shared papers) and Katherine Elizabeth Hekman, MD, PhD (2 shared papers).
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