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

Willis L Chang

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1831496538

Willis L Chang is an Internal Medicine in Fresno, California. Qualified in 2001, 25 years ago. Practices with County of Los Angeles, a 390-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2011
Specialties on file
2
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Practice location Address checks out

1221 E Spruce Ave
Fresno, CA 93720-3374
Phone: (559) 450-5777
Fax: (559) 449-2654
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A130760 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1831496538
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 16, 2011
Last updated in NPPESSeptember 18, 2014
Mailing address1303 E Herndon Ave Ste 431, Fresno, CA 93720-3309

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice County Of Los Angeles — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fresno