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

Charles Wang, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1134389810

Charles Wang, MD is a Gastroenterology in Oakland, California. Graduated from State University of New York Downstate Medical Center in 2008, 18 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
State University of New York Downstate Medical Center
Licensed in
CA
In the registry since
2008
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

1800 Harrison St 7th Fl
Oakland, CA 94612-3429
Phone: (916) 784-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A136871 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1134389810
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 16, 2008
Last updated in NPPESAugust 6, 2024
Certification dateAugust 6, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 2008 (18 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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