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

Jessica Wen Xiao, MD

Individual provider Internal Medicine Physician · NPI 1164008785

Jessica Wen Xiao, MD is an Internal Medicine in Antioch, California. Graduated from University of California, San Diego School of Medicine in 2021, 5 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2021
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

4501 Sand Creek Rd
Antioch, CA 94531-8687
Phone: (925) 858-1579
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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 185362 (CA)

Record details

NPI number1164008785
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2021
Last updated in NPPESSeptember 16, 2024
Certification dateSeptember 9, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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