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

Dr. Paul Andrew Chang, MD

Individual provider Internal Medicine Physician · NPI 1245217496

Dr. Paul Andrew Chang, MD is an Internal Medicine in Ontario, Ohio. Graduated from University of Miami, Lm Miller School of Medicine in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
30
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
OH
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2558 W 4th St
Ontario, OH 44906-1209
Phone: (419) 529-4100
Fax: (419) 529-8700
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35078250C (OH)
Pediatrics Physician Taxonomy 208000000X · Licence 35078250C (OH)

Record details

NPI number1245217496
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 29, 2005
Last updated in NPPESJanuary 6, 2014

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Ontario