Ko-Yun Chang, MD, MPH
Pulmonary Disease Physician · Jacksonville, FL
Ko-Yun Chang, MD, MPH is a pulmonary disease physician with a practice address in Jacksonville, Florida, and NPI 1922956390, issued on Mar 20, 2026. Check the license (Florida 1946, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ko-Yun Chang
- Credential
- MD, MPH
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 1946 FL
Self-reported in NPPES; status is on the state search - Practice location
- 655 W 8TH St, Jacksonville, FL 32209
- Phone
- (904) 244-4075
- Enumerated
- Mar 20, 2026
- Record last updated
- Mar 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20260420002802); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,045 in Florida → Look up another NPI →
Also registered at 655 W 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Erika AbernathySocial Worker1013387661
- Cheryl Jayne Abrenica, RNRegistered Nurse1215425012
- Maryam Abubakar, MD, MPHNeonatal-Perinatal Medicine Physician1003290214
- Mohannad Abushora, MDPediatric Anesthesiology Physician1740813807
Verify Ko-Yun Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 1946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ko-Yun Chang among 1,045 pulmonary disease physician records in Florida
Ko-Yun Chang, MD, MPH is one of 1,045 pulmonary disease physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than over 99% of them.
- NPI issued2026 · over 99% of these records are older, 0% newer
- In a Medicare fileNo · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2012 · median 1999 among the 790 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Florida
There are 1,045 pulmonary disease physician records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,045 in Florida → Every provider in Jacksonville → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Tracy AshbyJacksonville, FL 322091881950210
- Arvind Balavenkataraman, M.D.Jacksonville, FL 322091275813354
- Mariam Louis, M.D.Jacksonville, FL 322091649314972
- Michael Schweitzer Barrios, MDJacksonville, FL 322091013445154
- Kasey Treger, D.O.Jacksonville, FL 322091316238496
- Mohammed Alqawasma, MDJacksonville, FL 322071033671276
- Jorge Alvarez, MDJacksonville, FL 322071003957903
- Amit Babbar, MDJacksonville, FL 322071275890402
Common questions
What is Ko-Yun Chang, MD, MPH's NPI number?
Ko-Yun Chang, MD, MPH's National Provider Identifier (NPI) is 1922956390, issued on Mar 20, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Ko-Yun Chang, MD, MPH located?
The NPPES record lists a practice address at 655 W 8TH St, Jacksonville, FL, 32209. Phone: (904) 244-4075. Providers update this record themselves, so call before visiting.
How can I verify Ko-Yun Chang, MD, MPH's license?
NPPES lists Florida license number 1946, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.