Quick answers
- Which hospitals does Jason E. Williams work at?
- Medicare's official clinician data lists Jason E. Williams at 1 hospital: Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason E. Williams see patients?
- Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
- What is Jason E. Williams's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Jason E. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Jason E. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Jason E. Williams offer telehealth?
- Medicare's clinician data says Jason E. Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jason E. Williams?
- (408) 885-5000, as listed in official Medicare / NPI Registry data.
- What is Jason E. Williams's NPI number?
- 1083894257. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason E. Williams works
Medicare's Facility Affiliation Data lists Jason E. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
Practice locations
Addresses where Jason E. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000
Group practices
Medicare enrollment lists Jason E. Williams as a member of this group (CMS data updated 2026-10-02).
- County of Santa Clara1,022 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083894257 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians