Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. I-Wen Chang, MD

Individual provider Hematology & Oncology Physician · NPI 1912034471

Dr. I-Wen Chang, MD is a Hematology/Oncology in Lawrenceville, Georgia. Qualified in 2001, 25 years ago. Practices with North Atlanta Oncology Services LLC, a 30-clinician group and accepts Medicare assignment. Licensed in Georgia and North Carolina.

Years since qualifying
25
Licensed in
GA, NC
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

631 Professional Dr Ste 450
Lawrenceville, GA 30046-3370
Phone: (770) 963-8030
Fax: (770) 339-9577
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 079105 (GA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 200300757 (NC)

Record details

NPI number1912034471
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2007
Last updated in NPPESMarch 8, 2021
Certification dateMarch 8, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice North Atlanta Oncology Services Llc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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