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

William Wei-Jung Chang, MD

Individual provider Physical Medicine & Rehabilitation Physician · NPI 1245223619

William Wei-Jung Chang, MD is a Physical Medicine and Rehabilitation in Lima, Ohio. Graduated from State University of New York Downstate Medical Center in 1990, 36 years ago. Practices with Mercy Health Physicians Lima Specialty Care LLC, a 255-clinician group and accepts Medicare assignment. Licensed in New York, Ohio and Texas.

Years since qualifying
36
Trained at
State University of New York Downstate Medical Center
Licensed in
NY, OH, TX
In the registry since
2005
Specialties on file
4
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

770 W High St Ste 160
Lima, OH 45801-5900
Phone: (419) 996-5224
Fax: (419) 996-5276
Show map & directions

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

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 35-092684 (OH)
Physical Medicine & Rehabilitation Physician Taxonomy 208100000X · Licence K5079 (TX)
Physical Medicine & Rehabilitation Physician Taxonomy 208100000X · Licence 188561 (NY)
Rehabilitation Practitioner Taxonomy 225400000X · Licence 188561 (NY)

Record details

NPI number1245223619
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2005
Last updated in NPPESFebruary 19, 2021
Certification dateFebruary 19, 2021

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1990 (36 years in practice)
Group practice Mercy Health Physicians Lima Specialty Care Llc — 255 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Lima