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

Dr. Jason E Williams, MD

Individual provider Internal Medicine Physician · NPI 1083894257

Dr. Jason E Williams, MD is a Gastroenterology in San Jose, California. Graduated from Duke University School of Medicine in 2005, 21 years ago. Practices with County of Santa Clara, a 993-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Trained at
Duke University School of Medicine
Licensed in
CA
In the registry since
2007
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

751 S Bascom Ave Santa Clara Valley Medical Ctr
San Jose, CA 95128-2604
Phone: (408) 885-7947
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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 A96986 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A96986 (CA)

Record details

NPI number1083894257
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 6, 2007
Last updated in NPPESJuly 3, 2012

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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