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

James H Chang, MD

Individual provider Hospitalist Physician · NPI 1801158332

James H Chang, MD is an Internal Medicine in San Leandro, California. Qualified in 2012, 14 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Licensed in
CA
In the registry since
2012
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

2500 Merced St
San Leandro, CA 94577-4201
Phone: (510) 454-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A137363 (CA)

Record details

NPI number1801158332
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2012
Last updated in NPPESDecember 27, 2021
Mailing address2500 Merced St, San Leandro, CA 94577-4201

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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