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

Sheryl Kwak, MD

Individual provider Surgery Physician · NPI 1104065259

Sheryl Kwak, MD is a General Surgery in Fontana, California. Graduated from University of California, Davis School of Medicine in 2008, 18 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
18
Trained at
University of California, Davis School of Medicine
Licensed in
CA, TX
In the registry since
2009
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

9961 Sierra Ave Medical Staff Ofc
Fontana, CA 92335-6720
Phone: (909) 427-6163
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A139253 (CA)
Surgery Physician Taxonomy 208600000X · Licence BP10031148 (TX)

Record details

NPI number1104065259
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 12, 2009
Last updated in NPPESNovember 29, 2021
Mailing address9961 Sierra Ave, Medical Staff Office, Fontana, CA 92335-6720

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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