Dr. Ko-Yun Chang, MD, MPH
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2026
- Practice address
- 655 W 8th St, Jacksonville, FL 32209
- Practice phone
- Call (904) 244-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang'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. Ko-Yun Chang is a pulmonologist in Jacksonville, Florida
Dr. Chang practices at UF Health Jacksonville in Jacksonville, Florida, part of UF Health.
Dr. Chang's NPI, 1922956390, was assigned on March 20, 2026. Dr. Chang holds Florida license 1946.
- NPI
- 1922956390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264908870
- NPI enumeration date
- March 20, 2026
- NPI status
- Active
- Practice phone
- (904) 244-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ko-Yun Chang practices at UF Health Jacksonville in Jacksonville, Florida
Dr. Chang's primary practice is UF Health Jacksonville, at 655 W 8th St, Jacksonville, FL 32209 in Duval County. The practice phone is (904) 244-4000.
- UF Health Jacksonville655 W 8th St, Jacksonville, FL 32209 · Duval CountyPhone(904) 244-4000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ko-Yun Chang is affiliated with 1 site of care and 1 medical group
Dr. Chang's primary practice is UF Health Jacksonville in Jacksonville, Florida, part of UF Health. The medical group on file is UF Jacksonville Physicians, Inc.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ko-Yun Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UF Health Jacksonville | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ko-Yun Chang is one of 934 pulmonologists in Florida
Pulmonary disease is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Chang is licensed in Florida.
Specialties and state licenses
- Pulmonary disease, FloridaPrimary
Pulmonologists near Dr. Chang
Counts of pulmonologists 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
Sources for Dr. Ko-Yun Chang'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy 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. Ko-Yun Chang
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. Ko-Yun Chang's NPI number?
Dr. Ko-Yun Chang's NPI number is 1922956390. It was assigned on March 20, 2026, and it is active in the NPI Registry.
What kind of doctor is Dr. Ko-Yun Chang?
Dr. Ko-Yun Chang is a pulmonologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Ko-Yun Chang practice?
Dr. Chang practices at 655 W 8th St, Jacksonville, FL 32209. Dr. Chang's primary practice is UF Health Jacksonville in Jacksonville, Florida, part of UF Health.
What is Dr. Ko-Yun Chang's office phone number?
The practice phone on file for Dr. Chang is (904) 244-4000.
What is Dr. Ko-Yun Chang's medical license number?
Dr. Chang holds Florida license 1946.
Which hospitals is Dr. Ko-Yun Chang affiliated with?
Dr. Chang practices at UF Health Jacksonville in Jacksonville, Florida.
What medical group is Dr. Ko-Yun Chang part of?
Dr. Chang is linked to UF Jacksonville Physicians, Inc.
How long has Dr. Ko-Yun Chang been practicing?
Dr. Chang's NPI was assigned in 2026.
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